ROSTROCONCHIA [Class]
   |----> ANETSHELLOIDA [Order]
   |----> |---->ANETSHELLIDAE [Family] + (1 SP, 1 IMG)
   |----> CONOCARDIIDA [Order]
   |----> |---->CONOCARDIOIDEA [Superfamily]
   |----> |----> |----> BRANSONIIDAE [Family] + (54 SP, 12 IMG)
   |----> |----> |----> CONOCARDIIDAE [Family] + (68 SP, 20 IMG)
   |----> |---->EOPTERIOIDEA [Superfamily]
   |----> |----> |----> EOPTERIIDAE [Family] + (25 SP, 17 IMG)
   |----> |---->HIPPOCARDIOIDEA [Superfamily]
   |----> |----> |----> HIPPOCARDIIDAE [Family] + (46 SP, 20 IMG)
   |----> |----> |----> HIPPOCARDIOIDEA (unassigned) [Family] + (5 SP, 5 IMG)
   |----> |----> |----> PSEUDOBIGALEAIDAE [Family] + (32 SP, 7 IMG)
   |----> RIBEIRIOIDA [Order]
   |----> |---->ISCHYRINIOIDEA [Superfamily]
   |----> |----> |----> ISCHYRINIIDAE [Family] + (15 SP, 8 IMG)
   |----> |---->RIBEIRIOIDEA [Superfamily]
   |----> |----> |----> RIBEIRIIDAE [Family] + (36 SP, 20 IMG)
   |----> |---->TECHNOPHORIDAE [Family] + (31 SP, 15 IMG)

STENOTHECOIDA [Class]
   |----> CAMBRIDIOIDA [Order]
   |----> |---->CAMBRIDIIDAE [Family] + (21 SP, 1 IMG)
   |----> STENOTHECOIDA INCERTAE SEDIS [Family] + (7 SP, 0 IMG)

BIVALVIA [Class]
   |----> HETERODONTA [Subclass]
   |----> |----> ARCHIHETERODONTA [Infraclasss]
   |----> |----> |----> ACTINODONTIDA [Order]
   |----> |----> |----> |----> AMNIGENIOIDEA [Superfamily]
   |----> |----> |----> |----> |----> AMNIGENIIDAE [Family] + (3 SP, 3 IMG)
   |----> |----> |----> |----> |----> MONTANARIIDAE [Family] + (2 SP, 0 IMG)
   |----> |----> |----> |----> ANODONTOPSOIDEA [Superfamily]
   |----> |----> |----> |----> |----> ACTINODONTIDAE [Family] + (4 SP, 3 IMG)
   |----> |----> |----> |----> |----> BAIDIOSTRACIDAE [Family] + (1 SP, 1 IMG)
   |----> |----> |----> |----> |----> CYCLOCONCHIDAE [Family] + (9 SP, 5 IMG)
   |----> |----> |----> |----> |----> INTIHUARELLIDAE [Family] + (2 SP, 0 IMG)
   |----> |----> |----> |----> |----> REDONIIDAE [Family] + (8 SP, 4 IMG)
   |----> |----> |----> |----> NYASSOIDEA [Superfamily]
   |----> |----> |----> |----> |----> NYASSIDAE [Family] + (2 SP, 2 IMG)
   |----> |----> |----> |----> ORIOCRASSATELLOIDEA [Superfamily]
   |----> |----> |----> |----> |----> CRASSATELLOPSIDAE [Family] + (5 SP, 1 IMG)
   |----> |----> |----> |----> |----> ORIOCRASSATELLIDAE [Family] + (12 SP, 1 IMG)
   |----> |----> |----> |----> PALAEOMUTELOIDEA [Superfamily]
   |----> |----> |----> |----> |----> PALAEOMUTELIDAE [Family] + (92 SP, 1 IMG)
   |----> |----> |----> CARDIIDA [Order]
   |----> |----> |----> |----> EULOXIDAE [Family] + (2 SP, 0 IMG)
   |----> |----> |----> |----> PALAEOCARDITIDAE [Family] + (4 SP, 1 IMG)
   |----> |----> |----> |----> CARDIIDA (unassigned) [Family] + (103 SP, 2 IMG)
   |----> |----> |----> CARDITIDA [Order]
   |----> |----> |----> |----> CARDITOIDEA [Superfamily]
   |----> |----> |----> |----> |----> CARDINIIDAE [Family] + (34 SP, 11 IMG)
   |----> |----> |----> |----> |----> CARDITIDAE [Family] + (576 SP, 239 IMG)
   |----> |----> |----> |----> |----> CONDYLOCARDIIDAE [Family] + (174 SP, 41 IMG)
   |----> |----> |----> |----> CRASSATELLOIDEA [Superfamily]
   |----> |----> |----> |----> |----> ASTARTIDAE [Family] + (270 SP, 96 IMG)
   |----> |----> |----> |----> |----> CRASSATELLIDAE [Family] + (289 SP, 134 IMG)
   |----> |----> |----> |----> |----> MYOPHORICARDIIDAE [Family] + (20 SP, 3 IMG)
   |----> |----> |----> |----> |----> PTYCHOMYIDAE [Family] + (3 SP, 2 IMG)
   |----> |----> |----> |----> AENIGMOCONCHIDAE [Family] + (3 SP, 0 IMG)
   |----> |----> |----> |----> ARCHAEOCARDIIDAE [Family] + (1 SP, 0 IMG)
   |----> |----> |----> |----> EODONIDAE [Family] + (5 SP, 0 IMG)
   |----> |----> EUHETERODONTA [Infraclasss]
   |----> |----> |----> IMPARIDENTIA [SuperOrder]
   |----> |----> |----> |----> HIATELLIDA [Order]
   |----> |----> |----> |----> |----> EDMONDIOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> EDMONDIIDAE [Family] + (53 SP, 15 IMG)
   |----> |----> |----> |----> |----> |----> MEGADESMIDAE [Family] + (43 SP, 1 IMG)
   |----> |----> |----> |----> |----> |----> PACHYDOMIDAE [Family] + (5 SP, 1 IMG)
   |----> |----> |----> |----> |----> HIATELLOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> HIATELLIDAE [Family] + (116 SP, 49 IMG)
   |----> |----> |----> |----> LUCINIDA [Order]
   |----> |----> |----> |----> |----> LUCINOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> LUCINIDAE [Family] + (899 SP, 388 IMG)
   |----> |----> |----> |----> |----> |----> MACTROMYIDAE [Family] + (28 SP, 8 IMG)
   |----> |----> |----> |----> |----> |----> PARACYCLIDAE [Family] + (9 SP, 7 IMG)
   |----> |----> |----> |----> |----> THYASIROIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> THYASIRIDAE [Family] + (173 SP, 55 IMG)
   |----> |----> |----> |----> MEGALODONTIDA [Order]
   |----> |----> |----> |----> |----> MECYNODONTOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> BEICHUANIIDAE [Family] + (6 SP, 0 IMG)
   |----> |----> |----> |----> |----> |----> CONGERIOMORPHIDAE [Family] + (1 SP, 0 IMG)
   |----> |----> |----> |----> |----> |----> MECYNODONTIDAE [Family] + (3 SP, 0 IMG)
   |----> |----> |----> |----> |----> |----> PLETHOCARDIIDAE [Family] + (5 SP, 2 IMG)
   |----> |----> |----> |----> |----> |----> PROSOCOELIDAE [Family] + (7 SP, 0 IMG)
   |----> |----> |----> |----> |----> MEGALODONTOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> CERATOMYOPSIDAE [Family] + (7 SP, 2 IMG)
   |----> |----> |----> |----> |----> |----> DICEROCARDIIDAE [Family] + (4 SP, 0 IMG)
   |----> |----> |----> |----> |----> |----> MEGALODONTIDAE [Family] + (9 SP, 1 IMG)
   |----> |----> |----> |----> |----> |----> PACHYRISMATIDAE [Family] + (19 SP, 1 IMG)
   |----> |----> |----> |----> |----> |----> WALLOWACONCHIDAE [Family] + (1 SP, 0 IMG)
   |----> |----> |----> |----> MODIOMORPHIDA [Order]
   |----> |----> |----> |----> |----> CYCLOCONCHACEA [Superfamily]
   |----> |----> |----> |----> |----> |----> ALLODESMATIDAE [Family] + (1 SP, 1 IMG)
   |----> |----> |----> |----> |----> |----> CARYDIIDAE [Family] + (6 SP, 0 IMG)
   |----> |----> |----> |----> |----> MODIOMORPHOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> CYPRICARDINIIDAE [Family] + (17 SP, 8 IMG)
   |----> |----> |----> |----> |----> |----> HIPPOPODIUMIDAE [Family] + (3 SP, 3 IMG)
   |----> |----> |----> |----> |----> |----> MODIOMORPHIDAE [Family] + (189 SP, 53 IMG)
   |----> |----> |----> |----> |----> |----> PALAEOPHARIDAE [Family] + (9 SP, 0 IMG)
   |----> |----> |----> |----> |----> |----> TUSAYANIDAE [Family] + (2 SP, 0 IMG)
   |----> |----> |----> |----> |----> MODIOMORPHIDA (unassigned) [Family] + (8 SP, 0 IMG)
   |----> |----> |----> |----> MYIDA [Order]
   |----> |----> |----> |----> |----> MYOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> CORBULIDAE [Family] + (364 SP, 165 IMG)
   |----> |----> |----> |----> |----> |----> ERODONIDAE [Family] + (3 SP, 1 IMG)
   |----> |----> |----> |----> |----> |----> MYIDAE [Family] + (102 SP, 35 IMG)
   |----> |----> |----> |----> |----> |----> PLEURODESMATIDAE [Family] + (1 SP, 1 IMG)
   |----> |----> |----> |----> |----> |----> RAETOMYIDAE [Family] + (3 SP, 0 IMG)
   |----> |----> |----> |----> |----> PHOLADOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> PHOLADIDAE [Family] + (138 SP, 75 IMG)
   |----> |----> |----> |----> |----> |----> TEREDINIDAE [Family] + (121 SP, 29 IMG)
   |----> |----> |----> |----> |----> |----> XYLOPHAGAIDAE [Family] + (61 SP, 23 IMG)
   |----> |----> |----> |----> |----> PLEUROMYOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> CERATOMYIDAE [Family] + (30 SP, 10 IMG)
   |----> |----> |----> |----> |----> |----> PLEUROMYIDAE [Family] + (26 SP, 6 IMG)
   |----> |----> |----> |----> |----> |----> VACUNELLIDAE [Family] + (38 SP, 2 IMG)
   |----> |----> |----> |----> |----> MYIDA (unassigned) [Family] + (11 SP, 3 IMG)
   |----> |----> |----> |----> SOLENIDA [Order]
   |----> |----> |----> |----> |----> SOLENOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> PHARIDAE [Family] + (108 SP, 52 IMG)
   |----> |----> |----> |----> |----> |----> SOLENIDAE [Family] + (108 SP, 45 IMG)
   |----> |----> |----> |----> VENERIDA [Order]
   |----> |----> |----> |----> |----> ANTHRACOSIOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> ANTHRACOSIIDAE [Family] + (36 SP, 33 IMG)
   |----> |----> |----> |----> |----> |----> FERGANOCONCHIDAE [Family] + (4 SP, 0 IMG)
   |----> |----> |----> |----> |----> |----> SHAANXICONCHIDAE [Family] + (21 SP, 0 IMG)
   |----> |----> |----> |----> |----> ARCTICOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> ARCTICIDAE [Family] + (101 SP, 39 IMG)
   |----> |----> |----> |----> |----> |----> POLLICIDAE [Family] + (3 SP, 0 IMG)
   |----> |----> |----> |----> |----> |----> TRAPEZIDAE [Family] + (41 SP, 28 IMG)
   |----> |----> |----> |----> |----> |----> VENIELLIDAE [Family] + (4 SP, 4 IMG)
   |----> |----> |----> |----> |----> CARDIOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> CARDIIDAE [Family] + (788 SP, 467 IMG)
   |----> |----> |----> |----> |----> |----> LAHILLIDAE [Family] + (7 SP, 1 IMG)
   |----> |----> |----> |----> |----> |----> PTEROCARDIIDAE [Family] + (11 SP, 0 IMG)
   |----> |----> |----> |----> |----> |----> TRIDACNIDAE [Family] + (24 SP, 20 IMG)
   |----> |----> |----> |----> |----> CHAMOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> CHAMIDAE [Family] + (122 SP, 100 IMG)
   |----> |----> |----> |----> |----> CYAMIOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> BASTEROTIIDAE [Family] + (54 SP, 26 IMG)
   |----> |----> |----> |----> |----> |----> CYAMIIDAE [Family] + (52 SP, 10 IMG)
   |----> |----> |----> |----> |----> |----> GALATHEAVALVIDAE [Family] + (1 SP, 1 IMG)
   |----> |----> |----> |----> |----> |----> SPORTELLIDAE [Family] + (42 SP, 18 IMG)
   |----> |----> |----> |----> |----> CYRENOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> CYRENIDAE [Family] + (233 SP, 120 IMG)
   |----> |----> |----> |----> |----> |----> GLAUCONOMIDAE [Family] + (12 SP, 7 IMG)
   |----> |----> |----> |----> |----> CYRENOIDOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> CYRENOIDIDAE [Family] + (7 SP, 1 IMG)
   |----> |----> |----> |----> |----> DREISSENOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> DREISSENIDAE [Family] + (60 SP, 18 IMG)
   |----> |----> |----> |----> |----> GAIMARDIOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> GAIMARDIIDAE [Family] + (18 SP, 3 IMG)
   |----> |----> |----> |----> |----> GALEOMMATOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> GALEOMMATIDAE [Family] + (166 SP, 57 IMG)
   |----> |----> |----> |----> |----> |----> KELLIIDAE [Family] + (96 SP, 30 IMG)
   |----> |----> |----> |----> |----> |----> LASAEIDAE [Family] + (248 SP, 90 IMG)
   |----> |----> |----> |----> |----> |----> MONTACUTIDAE [Family] + (201 SP, 59 IMG)
   |----> |----> |----> |----> |----> GLOSSOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> GLOSSIDAE [Family] + (34 SP, 17 IMG)
   |----> |----> |----> |----> |----> |----> KELLIELLIDAE [Family] + (32 SP, 12 IMG)
   |----> |----> |----> |----> |----> |----> LUTETIIDAE [Family] + (7 SP, 3 IMG)
   |----> |----> |----> |----> |----> |----> VESICOMYIDAE [Family] + (125 SP, 57 IMG)
   |----> |----> |----> |----> |----> HEMIDONACOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> HEMIDONACIDAE [Family] + (7 SP, 3 IMG)
   |----> |----> |----> |----> |----> MACTROIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> ANATINELLIDAE [Family] + (1 SP, 1 IMG)
   |----> |----> |----> |----> |----> |----> CARDILIIDAE [Family] + (7 SP, 2 IMG)
   |----> |----> |----> |----> |----> |----> MACTRIDAE [Family] + (404 SP, 232 IMG)
   |----> |----> |----> |----> |----> |----> MESODESMATIDAE [Family] + (48 SP, 30 IMG)
   |----> |----> |----> |----> |----> PALAEANODONTOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> PALAEANODONTIDAE [Family] + (24 SP, 9 IMG)
   |----> |----> |----> |----> |----> PRILUKIELLOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> PRILUKIELLIDAE [Family] + (5 SP, 0 IMG)
   |----> |----> |----> |----> |----> |----> SENDERZONIELLIDAE [Family] + (2 SP, 2 IMG)
   |----> |----> |----> |----> |----> SPHAERIOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> NEOMIODONTIDAE [Family] + (8 SP, 3 IMG)
   |----> |----> |----> |----> |----> |----> SPHAERIIDAE [Family] + (263 SP, 82 IMG)
   |----> |----> |----> |----> |----> TELLINOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> DONACIDAE [Family] + (164 SP, 106 IMG)
   |----> |----> |----> |----> |----> |----> ICANOTIIDAE [Family] + (14 SP, 3 IMG)
   |----> |----> |----> |----> |----> |----> PSAMMOBIIDAE [Family] + (177 SP, 110 IMG)
   |----> |----> |----> |----> |----> |----> QUENSTEDTIIDAE [Family] + (22 SP, 9 IMG)
   |----> |----> |----> |----> |----> |----> SCROBICULARIIDAE [Family] + (5 SP, 3 IMG)
   |----> |----> |----> |----> |----> |----> SEMELIDAE [Family] + (250 SP, 134 IMG)
   |----> |----> |----> |----> |----> |----> SOLECURTIDAE [Family] + (81 SP, 56 IMG)
   |----> |----> |----> |----> |----> |----> SOWERBYIDAE [Family] + (2 SP, 0 IMG)
   |----> |----> |----> |----> |----> |----> TANCREDIIDAE [Family] + (49 SP, 19 IMG)
   |----> |----> |----> |----> |----> |----> TELLINIDAE [Family] + (937 SP, 461 IMG)
   |----> |----> |----> |----> |----> |----> UNICARDIOPSIDAE [Family] + (3 SP, 2 IMG)
   |----> |----> |----> |----> |----> UNGULINOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> UNGULINIDAE [Family] + (191 SP, 82 IMG)
   |----> |----> |----> |----> |----> VENEROIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> ISOCYPRINIDAE [Family] + (2 SP, 0 IMG)
   |----> |----> |----> |----> |----> |----> NEOLEPTONIDAE [Family] + (62 SP, 13 IMG)
   |----> |----> |----> |----> |----> |----> VENERIDAE [Family] + (1623 SP, 858 IMG)
   |----> |----> |----> |----> |----> GASTROCHAENOIDEA [Superfamily]
   |----> |----> |----> |----> |----> |----> GASTROCHAENIDAE [Family] + (63 SP, 30 IMG)
   |----> |----> |----> |----> |----> VENERIDA (unassigned) [Family] + (11 SP, 2 IMG)
   |----> |----> |----> ANOMALODESMATA [Order]
   |----> |----> |----> |----> CLAVAGELLOIDEA [Superfamily]
   |----> |----> |----> |----> |----> CLAVAGELLIDAE [Family] + (32 SP, 14 IMG)
   |----> |----> |----> |----> |----> PENICILLIDAE [Family] + (13 SP, 7 IMG)
   |----> |----> |----> |----> CUSPIDARIOIDEA [Superfamily]
   |----> |----> |----> |----> |----> CUSPIDARIIDAE [Family] + (304 SP, 144 IMG)
   |----> |----> |----> |----> |----> HALONYMPHIDAE [Family] + (13 SP, 3 IMG)
   |----> |----> |----> |----> |----> PROTOCUSPIDARIIDAE [Family] + (19 SP, 2 IMG)
   |----> |----> |----> |----> |----> SPHENIOPSIDAE [Family] + (17 SP, 6 IMG)
   |----> |----> |----> |----> GRAMMYSIOIDEA [Superfamily]
   |----> |----> |----> |----> |----> GRAMMYSIIDAE [Family] + (50 SP, 20 IMG)
   |----> |----> |----> |----> |----> SANGUINOLITIDAE [Family] + (111 SP, 10 IMG)
   |----> |----> |----> |----> MYOCHAMOIDEA [Superfamily]
   |----> |----> |----> |----> |----> CLEIDOTHAERIDAE [Family] + (3 SP, 1 IMG)
   |----> |----> |----> |----> |----> MYOCHAMIDAE [Family] + (47 SP, 18 IMG)
   |----> |----> |----> |----> PANDOROIDEA [Superfamily]
   |----> |----> |----> |----> |----> LYONSIIDAE [Family] + (47 SP, 24 IMG)
   |----> |----> |----> |----> |----> PANDORIDAE [Family] + (65 SP, 45 IMG)
   |----> |----> |----> |----> PHOLADOMYOIDEA [Superfamily]
   |----> |----> |----> |----> |----> ARENIGOMYIDAE [Family] + (1 SP, 0 IMG)
   |----> |----> |----> |----> |----> MARGARITARIIDAE [Family] + (2 SP, 0 IMG)
   |----> |----> |----> |----> |----> PARILIMYIDAE [Family] + (21 SP, 12 IMG)
   |----> |----> |----> |----> |----> PHOLADOMYIDAE [Family] + (122 SP, 35 IMG)
   |----> |----> |----> |----> |----> UCUMARIIDAE [Family] + (4 SP, 0 IMG)
   |----> |----> |----> |----> |----> PHOLADOMYOIDEA (unassigned) [Family] + (15 SP, 2 IMG)
   |----> |----> |----> |----> POROMYOIDEA [Superfamily]
   |----> |----> |----> |----> |----> CETOCONCHIDAE [Family] + (22 SP, 8 IMG)
   |----> |----> |----> |----> |----> POROMYIDAE [Family] + (75 SP, 33 IMG)
   |----> |----> |----> |----> THRACIOIDEA [Superfamily]
   |----> |----> |----> |----> |----> BURMESIIDAE [Family] + (3 SP, 0 IMG)
   |----> |----> |----> |----> |----> CLISTOCONCHIDAE [Family] + (1 SP, 1 IMG)
   |----> |----> |----> |----> |----> LATERNULIDAE [Family] + (47 SP, 22 IMG)
   |----> |----> |----> |----> |----> PERIPLOMATIDAE [Family] + (81 SP, 29 IMG)
   |----> |----> |----> |----> |----> THRACIIDAE [Family] + (140 SP, 61 IMG)
   |----> |----> |----> |----> VERTICORDIOIDEA [Superfamily]
   |----> |----> |----> |----> |----> EUCIROIDAE [Family] + (15 SP, 8 IMG)
   |----> |----> |----> |----> |----> LYONSIELLIDAE [Family] + (27 SP, 12 IMG)
   |----> |----> |----> |----> |----> VERTICORDIIDAE [Family] + (114 SP, 39 IMG)
   |----> |----> |----> |----> ANOMALODESMATA (unassigned) [Family] + (1 SP, 0 IMG)
   |----> |----> |---->BABINKOIDEA [Superfamily]
   |----> |----> |----> |----> BABINKIDAE [Family] + (3 SP, 2 IMG)
   |----> |----> |----> |----> COXICONCHIIDAE [Family] + (4 SP, 1 IMG)
   |----> |----> |----> HIPPURITIDA [Order]
   |----> |----> |----> |----> CAPRINOIDEA [Superfamily]
   |----> |----> |----> |----> |----> ANTILLOCAPRINIDAE [Family] + (9 SP, 1 IMG)
   |----> |----> |----> |----> |----> CAPRINIDAE [Family] + (18 SP, 6 IMG)
   |----> |----> |----> |----> |----> CAPRINULOIDEIDAE [Family] + (17 SP, 3 IMG)
   |----> |----> |----> |----> |----> ICHTHYOSARCOLITIDAE [Family] + (5 SP, 4 IMG)
   |----> |----> |----> |----> KALENTEROIDEA [Superfamily]
   |----> |----> |----> |----> |----> KALENTERIDAE [Family] + (97 SP, 13 IMG)
   |----> |----> |----> |----> RADIOLITOIDEA [Superfamily]
   |----> |----> |----> |----> |----> CAPRINULIDAE [Family] + (10 SP, 6 IMG)
   |----> |----> |----> |----> |----> CAPROTINIDAE [Family] + (10 SP, 4 IMG)
   |----> |----> |----> |----> |----> DICERATIDAE [Family] + (7 SP, 3 IMG)
   |----> |----> |----> |----> |----> HIPPURITIDAE [Family] + (26 SP, 5 IMG)
   |----> |----> |----> |----> |----> MONOPLEURIDAE [Family] + (18 SP, 5 IMG)
   |----> |----> |----> |----> |----> PLAGIOPTYCHIDAE [Family] + (9 SP, 0 IMG)
   |----> |----> |----> |----> |----> POLYCONITIDAE [Family] + (6 SP, 1 IMG)
   |----> |----> |----> |----> |----> RADIOLITIDAE [Family] + (85 SP, 12 IMG)
   |----> |----> |----> |----> |----> TRECHMANNELLIDAE [Family] + (3 SP, 2 IMG)
   |----> |----> |----> |----> REQUIENIOIDEA [Superfamily]
   |----> |----> |----> |----> |----> EPIDICERATIDAE [Family] + (5 SP, 0 IMG)
   |----> |----> |----> |----> |----> REQUIENIIDAE [Family] + (23 SP, 9 IMG)
   |----> |----> |----> |----> ORTHONOTOIDEA [Superfamily]
   |----> |----> |----> |----> |----> KONDURIIDAE [Family] + (1 SP, 1 IMG)
   |----> |----> |----> |----> |----> ORTHONOTIDAE [Family] + (12 SP, 6 IMG)
   |----> |----> |----> |----> |----> PROTHYRIDAE [Family] + (19 SP, 5 IMG)
   |----> |----> |----> |----> |----> SOLENOMORPHIDAE [Family] + (1 SP, 1 IMG)
   |----> |----> |----> |----> HIPPURITIDA (unassigned) [Family] + (13 SP, 0 IMG)
   |----> |----> BABINKOIDEA [Superfamily]
   |----> |----> |----> BABINKIDAE [Family] + (3 SP, 2 IMG)
   |----> |----> |----> COXICONCHIIDAE [Family] + (4 SP, 1 IMG)
   |----> |----> LIPANELLIDAE [Family] + (2 SP, 0 IMG)
   |----> PALAEOHETERODONTA [Subclass]
   |----> |----> LYRODESMATOIDEA [Superfamily]
   |----> |----> |----> LYRODESMATIDAE [Family] + (13 SP, 4 IMG)
   |----> |----> |----> PSEUDARCIDAE [Family] + (1 SP, 1 IMG)
   |----> |----> THORALIIDAE [Family] + (1 SP, 0 IMG)
   |----> |----> TRIGONIIDA [Order]
   |----> |----> |----> MEGATRIGONIOIDEA [Superfamily]
   |----> |----> |----> |----> IOTRIGONIIDAE [Family] + (31 SP, 0 IMG)
   |----> |----> |----> |----> MEGATRIGONIIDAE [Family] + (35 SP, 12 IMG)
   |----> |----> |----> |----> PTEROTRIGONIIDAE [Family] + (91 SP, 9 IMG)
   |----> |----> |----> MYOPHORELLOIDEA [Superfamily]
   |----> |----> |----> |----> BUCHOTRIGONIIDAE [Family] + (16 SP, 1 IMG)
   |----> |----> |----> |----> LAEVITRIGONIIDAE [Family] + (4 SP, 2 IMG)
   |----> |----> |----> |----> MYOPHORELLIDAE [Family] + (128 SP, 7 IMG)
   |----> |----> |----> |----> RUTITRIGONIIDAE [Family] + (49 SP, 3 IMG)
   |----> |----> |----> |----> STEINMANELLIDAE [Family] + (44 SP, 0 IMG)
   |----> |----> |----> PSEUDOCARDINIOIDEA [Superfamily]
   |----> |----> |----> |----> PSEUDOCARDINIIDAE [Family] + (4 SP, 0 IMG)
   |----> |----> |----> |----> UTSCHAMIELLIDAE [Family] + (2 SP, 0 IMG)
   |----> |----> |----> TRIGONIOIDEA [Superfamily]
   |----> |----> |----> |----> COSTATORIIDAE [Family] + (3 SP, 0 IMG)
   |----> |----> |----> |----> EOSCHIZODIDAE [Family] + (4 SP, 1 IMG)
   |----> |----> |----> |----> GROEBERELLIDAE [Family] + (1 SP, 0 IMG)
   |----> |----> |----> |----> MYOPHORIIDAE [Family] + (75 SP, 2 IMG)
   |----> |----> |----> |----> PROSOGYROTRIGONIIDAE [Family] + (2 SP, 0 IMG)
   |----> |----> |----> |----> SCAPHELLINIDAE [Family] + (2 SP, 0 IMG)
   |----> |----> |----> |----> SCHIZODIDAE [Family] + (81 SP, 13 IMG)
   |----> |----> |----> |----> TRIGONIIDAE [Family] + (235 SP, 38 IMG)
   |----> |----> |----> TRIGONIOIDOIDEA [Superfamily]
   |----> |----> |----> |----> NAKAMURANAIADIDAE [Family] + (21 SP, 1 IMG)
   |----> |----> |----> |----> NIPPONONAIIDAE [Family] + (9 SP, 1 IMG)
   |----> |----> |----> |----> PLICATOUNIONIDAE [Family] + (2 SP, 0 IMG)
   |----> |----> |----> |----> PSEUDOHYRIIDAE [Family] + (10 SP, 2 IMG)
   |----> |----> |----> |----> TRIGONIOIDIDAE [Family] + (5 SP, 1 IMG)
   |----> |----> |----> TRIGONODOIDEA [Superfamily]
   |----> |----> |----> |----> DESERTELLIDAE [Family] + (1 SP, 1 IMG)
   |----> |----> |----> |----> TRIGONODIDAE [Family] + (42 SP, 6 IMG)
   |----> |----> |----> TRIGONIIDA (unassigned) [Family] + (15 SP, 0 IMG)
   |----> |----> UNIONIDA [Order]
   |----> |----> |----> ETHERIOIDEA [Superfamily]
   |----> |----> |----> |----> ETHERIIDAE [Family] + (4 SP, 4 IMG)
   |----> |----> |----> |----> IRIDINIDAE [Family] + (46 SP, 42 IMG)
   |----> |----> |----> |----> MYCETOPODIDAE [Family] + (47 SP, 74 IMG)
   |----> |----> |----> HYRIOIDEA [Superfamily]
   |----> |----> |----> |----> HYRIIDAE [Family] + (89 SP, 101 IMG)
   |----> |----> |----> SILESUNIONOIDEA [Superfamily]
   |----> |----> |----> |----> SILESUNIONIDAE [Family] + (4 SP, 3 IMG)
   |----> |----> |----> |----> UNIONELLIDAE [Family] + (2 SP, 2 IMG)
   |----> |----> |----> TAMESNELLOIDEA [Superfamily]
   |----> |----> |----> |----> TAMESNELLIDAE [Family] + (2 SP, 2 IMG)
   |----> |----> |----> UNIONOIDEA [Superfamily]
   |----> |----> |----> |----> ACTINODONTOPHORIDAE [Family] + (1 SP, 0 IMG)
   |----> |----> |----> |----> LIAONINGIIDAE [Family] + (3 SP, 0 IMG)
   |----> |----> |----> |----> MARGARITIFERIDAE [Family] + (21 SP, 14 IMG)
   |----> |----> |----> |----> SANCTICAROLITIDAE [Family] + (1 SP, 0 IMG)
   |----> |----> |----> |----> UNIONIDAE [Family] + (762 SP, 737 IMG)
   |----> |----> |----> |----> TEGULAEDONTIDAE [Family] + (3 SP, 3 IMG)
   |----> |----> |----> ARCHANODONTIDAE [Family] + (3 SP, 0 IMG)
   |----> |----> |----> PACHYCARDIIDAE [Family] + (19 SP, 0 IMG)
   |----> |----> |----> UNIONIDA (unassigned) [Family] + (3 SP, 1 IMG)
   |----> PROTOBRANCHIA [Subclass]
   |----> |----> AFGHANODESMATIDA [Order]
   |----> |----> |----> AFGHANODESMATOIDEA [Superfamily]
   |----> |----> |----> |----> AFGHANODESMATIDAE [Family] + (1 SP, 0 IMG)
   |----> |----> |----> |----> ERITROPIDAE [Family] + (2 SP, 1 IMG)
   |----> |----> |----> TIRONUCULOIDEA [Superfamily]
   |----> |----> |----> |----> NUCULARCIDAE [Family] + (9 SP, 0 IMG)
   |----> |----> |----> |----> SIMILODONTIDAE [Family] + (2 SP, 0 IMG)
   |----> |----> |----> |----> TIRONUCULIDAE [Family] + (1 SP, 1 IMG)
   |----> |----> NUCULANIDA [Order]
   |----> |----> |----> NUCULANOIDEA [Superfamily]
   |----> |----> |----> |----> BATHYSPINULIDAE [Family] + (21 SP, 6 IMG)
   |----> |----> |----> |----> ISOARCIDAE [Family] + (3 SP, 0 IMG)
   |----> |----> |----> |----> MALLETIIDAE [Family] + (204 SP, 45 IMG)
   |----> |----> |----> |----> NEILONELLIDAE [Family] + (52 SP, 23 IMG)
   |----> |----> |----> |----> NUCULANIDAE [Family] + (603 SP, 151 IMG)
   |----> |----> |----> |----> PHASEOLIDAE [Family] + (1 SP, 0 IMG)
   |----> |----> |----> |----> POLIDEVCIIDAE [Family] + (5 SP, 1 IMG)
   |----> |----> |----> |----> PSEUDOCYRTODONTIDAE [Family] + (3 SP, 3 IMG)
   |----> |----> |----> |----> SILICULIDAE [Family] + (10 SP, 3 IMG)
   |----> |----> |----> |----> STRABIDAE [Family] + (3 SP, 0 IMG)
   |----> |----> |----> |----> TINDARIIDAE [Family] + (27 SP, 7 IMG)
   |----> |----> |----> |----> YOLDIIDAE [Family] + (263 SP, 81 IMG)
   |----> |----> NUCULIDA [Order]
   |----> |----> |----> |----> LAMETILIDAE [Family] + (3 SP, 1 IMG)
   |----> |----> |----> NUCULOIDEA [Superfamily]
   |----> |----> |----> |----> CARDIOLARIIDAE [Family] + (14 SP, 6 IMG)
   |----> |----> |----> |----> NUCULIDAE [Family] + (478 SP, 143 IMG)
   |----> |----> |----> |----> PRAENUCULIDAE [Family] + (31 SP, 14 IMG)
   |----> |----> |----> SAREPTOIDEA [Superfamily]
   |----> |----> |----> |----> SAREPTIDAE [Family] + (22 SP, 5 IMG)
   |----> |----> |----> NUCULIDA (unassigned) [Family] + (16 SP, 4 IMG)
   |----> |----> SOLEMYIDA [Order]
   |----> |----> |----> MANZANELLOIDEA [Superfamily]
   |----> |----> |----> |----> MANZANELLIDAE [Family] + (1 SP, 0 IMG)
   |----> |----> |----> |----> NUCINELLIDAE [Family] + (37 SP, 10 IMG)
   |----> |----> |----> SOLEMYOIDEA [Superfamily]
   |----> |----> |----> |----> CLINOPISTHIDAE [Family] + (5 SP, 2 IMG)
   |----> |----> |----> |----> CTENODONTIDAE [Family] + (79 SP, 29 IMG)
   |----> |----> |----> |----> OVATOCONCHIDAE [Family] + (1 SP, 0 IMG)
   |----> |----> |----> |----> SOLEMYIDAE [Family] + (75 SP, 31 IMG)
   |----> PTERIOMORPHIA [Subclass]
   |----> |----> ARCIDA [Order]
   |----> |----> |----> ARCOIDEA [Superfamily]
   |----> |----> |----> |----> ARCIDAE [Family] + (786 SP, 417 IMG)
   |----> |----> |----> |----> CATAMARCAIIDAE [Family] + (1 SP, 1 IMG)
   |----> |----> |----> |----> CUCULLAEIDAE [Family] + (101 SP, 31 IMG)
   |----> |----> |----> |----> FREJIDAE [Family] + (3 SP, 0 IMG)
   |----> |----> |----> |----> GLYCYMERIDIDAE [Family] + (293 SP, 144 IMG)
   |----> |----> |----> |----> NOETIIDAE [Family] + (121 SP, 59 IMG)
   |----> |----> |----> |----> PARALLELODONTIDAE [Family] + (104 SP, 22 IMG)
   |----> |----> |----> GLYPTARCOIDEA [Superfamily]
   |----> |----> |----> |----> GLYPTARCIDAE [Family] + (4 SP, 0 IMG)
   |----> |----> |----> |----> PUCAMYIDAE [Family] + (1 SP, 1 IMG)
   |----> |----> |----> LIMOPSOIDEA [Superfamily]
   |----> |----> |----> |----> LIMOPSIDAE [Family] + (167 SP, 64 IMG)
   |----> |----> |----> |----> PHILOBRYIDAE [Family] + (138 SP, 20 IMG)
   |----> |----> |----> ARCIDA (unassigned) [Family] + (5 SP, 0 IMG)
   |----> |----> COLPOMYIDA [Order]
   |----> |----> |----> COLPOMYOIDEA [Superfamily]
   |----> |----> |----> |----> COLPOMYIDAE [Family] + (3 SP, 0 IMG)
   |----> |----> |----> |----> EVYANIDAE [Family] + (1 SP, 0 IMG)
   |----> |----> CYRTODONTIDA [Order]
   |----> |----> |----> ANTIPLEUROIDEA [Superfamily]
   |----> |----> |----> |----> ANTIPLEURIDAE [Family] + (11 SP, 2 IMG)
   |----> |----> |----> CARDIOLOIDEA [Superfamily]
   |----> |----> |----> |----> CARDIOLIDAE [Family] + (34 SP, 13 IMG)
   |----> |----> |----> |----> SLAVIDAE [Family] + (3 SP, 2 IMG)
   |----> |----> |----> CYRTODONTOIDEA [Superfamily]
   |----> |----> |----> |----> CYRTODONTIDAE [Family] + (152 SP, 55 IMG)
   |----> |----> |----> DUALINOIDEA [Superfamily]
   |----> |----> |----> |----> DUALINIDAE [Family] + (1 SP, 0 IMG)
   |----> |----> |----> |----> PRAELUCINIDAE [Family] + (5 SP, 0 IMG)
   |----> |----> |----> |----> SPANILIDAE [Family] + (6 SP, 0 IMG)
   |----> |----> |----> |----> STOLIDOTIDAE [Family] + (7 SP, 4 IMG)
   |----> |----> |----> FALCATODONTOIDEA [Superfamily]
   |----> |----> |----> |----> FALCATODONTIDAE [Family] + (1 SP, 0 IMG)
   |----> |----> |----> PICHLERIOIDEA [Superfamily]
   |----> |----> |----> |----> PICHLERIIDAE [Family] + (5 SP, 0 IMG)
   |----> |----> |----> PRAECARDIOIDEA [Superfamily]
   |----> |----> |----> |----> BUCHIOLIDAE [Family] + (3 SP, 0 IMG)
   |----> |----> |----> |----> PRAECARDIIDAE [Family] + (12 SP, 1 IMG)
   |----> |----> |----> |----> PRAECARDIOIDEA (unassigned) [Family] + (0 SP, 0 IMG)
   |----> |----> |----> ISCHYRODONTIDAE [Family] + (5 SP, 0 IMG)
   |----> |----> LIMIDA [Order]
   |----> |----> |----> LIMOIDEA [Superfamily]
   |----> |----> |----> |----> ISOLIMEIDAE [Family] + (2 SP, 0 IMG)
   |----> |----> |----> |----> LIMIDAE [Family] + (494 SP, 161 IMG)
   |----> |----> |----> |----> MATHERIIDAE [Family] + (1 SP, 1 IMG)
   |----> |----> MYALINIDA [Order]
   |----> |----> |----> ALATOCONCHOIDEA [Superfamily]
   |----> |----> |----> |----> ALATOCONCHIDAE [Family] + (3 SP, 0 IMG)
   |----> |----> |----> |----> SAIKRACONCHIDAE [Family] + (3 SP, 0 IMG)
   |----> |----> |----> AMBONYCHIOIDEA [Superfamily]
   |----> |----> |----> |----> AMBONYCHIIDAE [Family] + (172 SP, 18 IMG)
   |----> |----> |----> |----> LUNULACARDIIDAE [Family] + (8 SP, 0 IMG)
   |----> |----> |----> |----> MONOPTERIIDAE [Family] + (2 SP, 2 IMG)
   |----> |----> |----> |----> MYALINIDAE [Family] + (111 SP, 30 IMG)
   |----> |----> |----> |----> MYSIDIELLIDAE [Family] + (7 SP, 0 IMG)
   |----> |----> |----> |----> RAMONALINIDAE [Family] + (2 SP, 0 IMG)
   |----> |----> |----> INOCERAMOIDEA [Superfamily]
   |----> |----> |----> |----> ATOMODESMATIDAE [Family] + (82 SP, 0 IMG)
   |----> |----> |----> |----> INOCERAMIDAE [Family] + (171 SP, 33 IMG)
   |----> |----> |----> |----> KOLYMIIDAE [Family] + (33 SP, 0 IMG)
   |----> |----> |----> |----> RETROCERAMIDAE [Family] + (14 SP, 0 IMG)
   |----> |----> |----> PROKOPIEVSKIOIDEA [Superfamily]
   |----> |----> |----> |----> ANADONTELLIDAE [Family] + (1 SP, 1 IMG)
   |----> |----> |----> |----> MYODAKRYOTIDAE [Family] + (3 SP, 1 IMG)
   |----> |----> |----> |----> NAIADITIDAE [Family] + (21 SP, 18 IMG)
   |----> |----> |----> |----> PROKOPIEVSKIIDAE [Family] + (6 SP, 5 IMG)
   |----> |----> MYTILIDA [Order]
   |----> |----> |----> MODIOLOPSOIDEA [Superfamily]
   |----> |----> |----> |----> GONIOPHORINIDAE [Family] + (6 SP, 1 IMG)
   |----> |----> |----> |----> MODIOLOPSIDAE [Family] + (11 SP, 0 IMG)
   |----> |----> |----> MYTILOIDEA [Superfamily]
   |----> |----> |----> |----> MYTILIDAE [Family] + (859 SP, 378 IMG)
   |----> |----> |----> MYTILIDA (unassigned) [Family] + (8 SP, 0 IMG)
   |----> |----> OSTREIDA [Order]
   |----> |----> |----> OSTREOIDEA [Superfamily]
   |----> |----> |----> |----> ARCTOSTREIDAE [Family] + (9 SP, 3 IMG)
   |----> |----> |----> |----> ELIGMIDAE [Family] + (8 SP, 4 IMG)
   |----> |----> |----> |----> FLEMINGOSTREIDAE [Family] + (5 SP, 1 IMG)
   |----> |----> |----> |----> GRYPHAEIDAE [Family] + (183 SP, 76 IMG)
   |----> |----> |----> |----> LITHIOTIDAE [Family] + (1 SP, 0 IMG)
   |----> |----> |----> |----> OSTREIDAE [Family] + (388 SP, 150 IMG)
   |----> |----> |----> PINNOIDEA [Superfamily]
   |----> |----> |----> |----> PINNIDAE [Family] + (139 SP, 54 IMG)
   |----> |----> |----> POSIDONIOIDEA [Superfamily]
   |----> |----> |----> |----> AULACOMYELLIDAE [Family] + (5 SP, 1 IMG)
   |----> |----> |----> |----> DAONELLIDAE [Family] + (19 SP, 2 IMG)
   |----> |----> |----> |----> HALOBIIDAE [Family] + (40 SP, 2 IMG)
   |----> |----> |----> |----> POSIDONIIDAE [Family] + (35 SP, 6 IMG)
   |----> |----> |----> RHOMBOPTERIOIDEA [Superfamily]
   |----> |----> |----> |----> RHOMBOPTERIIDAE [Family] + (2 SP, 0 IMG)
   |----> |----> |----> |----> UMBURRIDAE [Family] + (1 SP, 0 IMG)
   |----> |----> |----> PTERINEIDAE [Family] + (114 SP, 38 IMG)
   |----> |----> PECTINIDA [Order]
   |----> |----> |----> ANOMIOIDEA [Superfamily]
   |----> |----> |----> |----> ANOMIIDAE [Family] + (136 SP, 52 IMG)
   |----> |----> |----> |----> PERMANOMIIDAE [Family] + (1 SP, 0 IMG)
   |----> |----> |----> |----> PLACUNIDAE [Family] + (9 SP, 5 IMG)
   |----> |----> |----> AVICULOPECTINOIDEA [Superfamily]
   |----> |----> |----> |----> AVICULOPECTINIDAE [Family] + (166 SP, 26 IMG)
   |----> |----> |----> |----> DELTOPECTINIDAE [Family] + (65 SP, 4 IMG)
   |----> |----> |----> |----> LIMATULINIDAE [Family] + (6 SP, 0 IMG)
   |----> |----> |----> BUCHIOIDEA [Superfamily]
   |----> |----> |----> |----> BUCHIIDAE [Family] + (19 SP, 4 IMG)
   |----> |----> |----> |----> DOLPONELLIDAE [Family] + (1 SP, 0 IMG)
   |----> |----> |----> |----> MONOTIDAE [Family] + (35 SP, 1 IMG)
   |----> |----> |----> CHAENOCARDIOIDEA [Superfamily]
   |----> |----> |----> |----> CHAENOCARDIIDAE [Family] + (5 SP, 1 IMG)
   |----> |----> |----> |----> STREBLOCHONDRIIDAE [Family] + (41 SP, 8 IMG)
   |----> |----> |----> DIMYOIDEA [Superfamily]
   |----> |----> |----> |----> DIMYIDAE [Family] + (35 SP, 9 IMG)
   |----> |----> |----> ENTOLIOIDEA [Superfamily]
   |----> |----> |----> |----> ENTOLIOIDESIDAE [Family] + (1 SP, 0 IMG)
   |----> |----> |----> |----> PERNOPECTINIDAE [Family] + (20 SP, 1 IMG)
   |----> |----> |----> EUCHONDRIOIDEA [Superfamily]
   |----> |----> |----> |----> EUCHONDRIIDAE [Family] + (37 SP, 3 IMG)
   |----> |----> |----> EURYDESMATOIDEA [Superfamily]
   |----> |----> |----> |----> EURYDESMATIDAE [Family] + (24 SP, 0 IMG)
   |----> |----> |----> |----> MANTICULIDAE [Family] + (2 SP, 0 IMG)
   |----> |----> |----> HETEROPECTINOIDEA [Superfamily]
   |----> |----> |----> |----> ANNULICONCHIDAE [Family] + (9 SP, 3 IMG)
   |----> |----> |----> |----> ANTIJANIRIDAE [Family] + (5 SP, 0 IMG)
   |----> |----> |----> |----> HETEROPECTINIDAE [Family] + (73 SP, 5 IMG)
   |----> |----> |----> |----> HUNANOPECTINIDAE [Family] + (7 SP, 0 IMG)
   |----> |----> |----> |----> LIMIPECTINIDAE [Family] + (15 SP, 2 IMG)
   |----> |----> |----> |----> ORNITHOPECTINIDAE [Family] + (6 SP, 0 IMG)
   |----> |----> |----> LEIOPECTINOIDEA [Superfamily]
   |----> |----> |----> |----> LEIOPECTINIDAE [Family] + (21 SP, 1 IMG)
   |----> |----> |----> OXYTOMOIDEA [Superfamily]
   |----> |----> |----> |----> OXYTOMIDAE [Family] + (34 SP, 3 IMG)
   |----> |----> |----> PECTINOIDEA [Superfamily]
   |----> |----> |----> |----> CYCLOCHLAMYDIDAE [Family] + (31 SP, 13 IMG)
   |----> |----> |----> |----> ENTOLIIDAE [Family] + (36 SP, 8 IMG)
   |----> |----> |----> |----> ENTOLIOIDIDAE [Family] + (3 SP, 0 IMG)
   |----> |----> |----> |----> NEITHEIDAE [Family] + (9 SP, 0 IMG)
   |----> |----> |----> |----> PECTINIDAE [Family] + (1103 SP, 504 IMG)
   |----> |----> |----> |----> PLEURONECTITIDAE [Family] + (3 SP, 0 IMG)
   |----> |----> |----> |----> PROPEAMUSSIIDAE [Family] + (203 SP, 115 IMG)
   |----> |----> |----> |----> SPONDYLIDAE [Family] + (156 SP, 150 IMG)
   |----> |----> |----> |----> TERQUEMIIDAE [Family] + (4 SP, 0 IMG)
   |----> |----> |----> |----> TOSAPECTINIDAE [Family] + (5 SP, 7 IMG)
   |----> |----> |----> PLICATULOIDEA [Superfamily]
   |----> |----> |----> |----> CHONDRODONTIDAE [Family] + (4 SP, 3 IMG)
   |----> |----> |----> |----> PLICATULIDAE [Family] + (79 SP, 40 IMG)
   |----> |----> |----> PROSPONDYLOIDEA [Superfamily]
   |----> |----> |----> |----> PROSPONDYLIDAE [Family] + (4 SP, 0 IMG)
   |----> |----> |----> PSEUDOMONOTOIDEA [Superfamily]
   |----> |----> |----> |----> PSEUDOMONOTIDAE [Family] + (44 SP, 3 IMG)
   |----> |----> |----> PTERINOPECTINOIDEA [Superfamily]
   |----> |----> |----> |----> CLARAIIDAE [Family] + (5 SP, 0 IMG)
   |----> |----> |----> |----> NATALISSIMIDAE [Family] + (1 SP, 1 IMG)
   |----> |----> |----> |----> PTERINOPECTINIDAE [Family] + (68 SP, 17 IMG)
   |----> |----> |----> SAHAROPTERIIDAE [Family] + (3 SP, 0 IMG)
   |----> |----> |----> PECTINIDA (unassigned) [Family] + (12 SP, 3 IMG)
   |----> |----> PTERIIDA [Order]
   |----> |----> |----> PTERIOIDEA [Superfamily]
   |----> |----> |----> |----> BAKEVELLIIDAE [Family] + (119 SP, 15 IMG)
   |----> |----> |----> |----> CASSIANELLIDAE [Family] + (12 SP, 0 IMG)
   |----> |----> |----> |----> KOCHIIDAE [Family] + (5 SP, 0 IMG)
   |----> |----> |----> |----> LAMELLOTIDAE [Family] + (4 SP, 0 IMG)
   |----> |----> |----> |----> LUNULICARDIIDAE [Family] + (5 SP, 3 IMG)
   |----> |----> |----> |----> MALLEIDAE [Family] + (37 SP, 9 IMG)
   |----> |----> |----> |----> PERGAMIDIIDAE [Family] + (3 SP, 0 IMG)
   |----> |----> |----> |----> PLICATOSTYLIDAE [Family] + (1 SP, 1 IMG)
   |----> |----> |----> |----> PTERIIDAE [Family] + (208 SP, 113 IMG)
   |----> |----> |----> |----> PTERIOIDEA (unassigned) [Family] + (5 SP, 1 IMG)
   |----> |----> |----> |----> PULVINITIDAE [Family] + (3 SP, 2 IMG)
   |----> |----> |----> |----> VLASTIDAE [Family] + (20 SP, 0 IMG)
   |----> |----> |----> PTERIIDA (unassigned) [Family] + (78 SP, 4 IMG)
   |----> |----> PTERIOMORPHIA (unassigned) [Family] + (2 SP, 1 IMG)
   |----> FORDILLIDA [Order]
   |----> |---->FORDILLOIDEA [Superfamily]
   |----> |----> |----> CAMYIDAE [Family] + (1 SP, 0 IMG)
   |----> |----> |----> FORDILLIDAE [Family] + (4 SP, 2 IMG)
   |----> TUARANGIIDA [Order]
   |----> |---->TUARANGIIDAE [Family] + (2 SP, 0 IMG)
   |----> BIVALVIA INCERTAE SEDIS [Family] + (29 SP, 11 IMG)