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WMSDB - Worldwide Mollusc Species DataBase

By Dr. Claudio Galli - Genova, Italy

A B C D E F G H I J K L M N O P Q R S T U V W X Y

Family O

OCHMAZOCHITONIDAE

POLYPLACOPHORA
NEOLORICATA [Subclass]
(Sea) (FOSSIL) - 3 Sp,0 Var, 0 Img

OCTOPODA (UNASSIGNED)

CEPHALOPODA
COLEOIDEA [Subclass]-OCTOPODIFORMES [Superorder]-OCTOPODA [Order]
(Sea) (FOSSIL) - 2 Sp,0 Var, 0 Img

OCTOPODIDAE

CEPHALOPODA
COLEOIDEA [Subclass]-OCTOPODIFORMES [Superorder]-OCTOPODA [Order]-INCIRRATA [Suborder]-OCTOPODOIDEA [Superfamily]
(Sea) - 268 Sp,11 Var, 49 Img

OCTOPOTEUTHIDAE

CEPHALOPODA
COLEOIDEA [Subclass]-DECAPODIFORMES [Superorder]-OEGOPSIDA [Order]
(Sea) - 9 Sp,0 Var, 2 Img

OCYTHOIDAE

CEPHALOPODA
COLEOIDEA [Subclass]-OCTOPODIFORMES [Superorder]-OCTOPODA [Order]-INCIRRATA [Suborder]-ARGONAUTOIDEA [Superfamily]
(Sea) - 1 Sp,0 Var, 1 Img

ODONTOSTOMIDAE

GASTROPODA
HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-STYLOMMATOPHORA [Order]-ORTHALICOIDEA [Superfamily]
(Land) - 136 Sp,16 Var, 119 Img

OECOPTYCHIIDAE

CEPHALOPODA
AMMONOIDEA [Subclass]-AMMONITIDA [Order]-STEPHANOCERATOIDEA [Superfamily]
(Sea) (FOSSIL) - 3 Sp,0 Var, 2 Img

OFFLEYOCERATIDAE

CEPHALOPODA
ORTHOCERATOIDEA [Subclass]-DISSIDOCERIDA [Order]
(Sea) (FOSSIL) - 1 Sp,0 Var, 0 Img

OKADAIIDAE

GASTROPODA
HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]-NUDIBRANCHIA [Order]-POLYCEROIDEA [Superfamily]
(Sea) - 6 Sp,0 Var, 2 Img

OLCOSTEPHANIDAE

CEPHALOPODA
AMMONOIDEA [Subclass]-AMMONITIDA [Order]-PERISPHINCTOIDEA [Superfamily]
(Sea) (FOSSIL) - 65 Sp,1 Var, 13 Img

OLEACINIDAE

GASTROPODA
HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-STYLOMMATOPHORA [Order]-TESTACELLOIDEA [Superfamily]
(Land) - 126 Sp,21 Var, 64 Img

OLIVELLIDAE

GASTROPODA
CAENOGASTROPODA [Subclass]-NEOGASTROPODA [Order]-OLIVOIDEA [Superfamily]
(Sea) - 184 Sp,14 Var, 145 Img

OLIVIDAE

GASTROPODA
CAENOGASTROPODA [Subclass]-NEOGASTROPODA [Order]-OLIVOIDEA [Superfamily]
(Sea) - 290 Sp,225 Var, 227 Img

OMALOGYRIDAE

GASTROPODA
HETEROBRANCHIA [Subclass]-OMALOGYROIDEA [Superfamily]
(Sea) - 56 Sp,7 Var, 37 Img

OMMASTREPHIDAE

CEPHALOPODA
COLEOIDEA [Subclass]-BELEMNOIDEA [Superorder]-PHRAGMOTEUTHIDA [Order]
(Sea) - 22 Sp,4 Var, 18 Img

OMNIGLYPTIDAE

SCAPHOPODA
DENTALIIDA [Order]
(Sea) - 1 Sp,0 Var, 1 Img

OMPHALOCIRRIDAE

GASTROPODA
EOGASTROPODA [Subclass]-EUOMPHALINA [Order]-EUOMPHALOIDEA [Superfamily]
(Sea) (FOSSIL) - 14 Sp,0 Var, 0 Img

OMPHALOTROCHIDAE

GASTROPODA
EOGASTROPODA [Subclass]-EUOMPHALINA [Order]-EUOMPHALOIDEA [Superfamily]
(Sea) (FOSSIL) - 55 Sp,0 Var, 2 Img

ONCHIDIIDAE

GASTROPODA
HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-SYSTELLOMMATOPHORA [Order]-ONCHIDIOIDEA [Superfamily]
(Sea) - 111 Sp,3 Var, 8 Img

ONCHIDORIDIDAE

GASTROPODA
HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]-NUDIBRANCHIA [Order]-ONCHIDORIDOIDEA [Superfamily]
(Sea) - 73 Sp,7 Var, 27 Img

ONCOCERATIDAE

CEPHALOPODA
NAUTILOIDEA [Subclass]-ONCOCERIDA [Order]
(Sea) (FOSSIL) - 73 Sp,0 Var, 14 Img

ONCOCERIDA (UNASSIGNED)

CEPHALOPODA
NAUTILOIDEA [Subclass]-ONCOCERIDA [Order]
(Sea) (FOSSIL) - 55 Sp,0 Var, 15 Img

ONYCHOCHILIDAE

MOLLUSCA INCERTAE SEDIS
MIMOSPIRIDA [Order]-CLISOSPIROIDEA [Superfamily]
(Sea) (FOSSIL) - 36 Sp,0 Var, 7 Img

ONYCHOTEUTHIDAE

CEPHALOPODA
COLEOIDEA [Subclass]-BELEMNOIDEA [Superorder]-PHRAGMOTEUTHIDA [Order]
(Sea) - 48 Sp,0 Var, 9 Img

OONOCERATIDAE

CEPHALOPODA
NAUTILOIDEA [Subclass]-ONCOCERIDA [Order]
(Sea) (FOSSIL) - 8 Sp,1 Var, 2 Img

OOPELTIDAE

GASTROPODA
HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-STYLOMMATOPHORA [Order]-ARIONOIDEA [Superfamily]
(Land) - 4 Sp,0 Var, 2 Img

OOSTERELLIDAE

CEPHALOPODA
AMMONOIDEA [Subclass]-AMMONITIDA [Order]-PERISPHINCTOIDEA [Superfamily]
(Sea) (FOSSIL) - 8 Sp,0 Var, 2 Img

OPHICERATIDAE

CEPHALOPODA
AMMONOIDEA [Subclass]-CERATITIDA [Order]-MEEKOCERATOIDEA [Superfamily]
(Sea) (FOSSIL) - 19 Sp,0 Var, 0 Img

OPHIDIOCERATIDAE

CEPHALOPODA
NAUTILOIDEA [Subclass]-TARPHYCERIDA [Order]
(Sea) (FOSSIL) - 3 Sp,0 Var, 1 Img

OPHILETIDAE

GASTROPODA
EOGASTROPODA [Subclass]-EUOMPHALINA [Order]-OPHILETOIDEA [Superfamily]
(Sea) (FOSSIL) - 80 Sp,0 Var, 21 Img

OPISTHOBRANCHIA (UNASSIGNED)

GASTROPODA
HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]
(Sea) (FOSSIL) - 10 Sp,0 Var, 6 Img

OPISTHONEMATIDAE

GASTROPODA
EOGASTROPODA [Subclass]-EUOMPHALINA [Order]-OPHILETOIDEA [Superfamily]
(Sea) (FOSSIL) - 1 Sp,0 Var, 0 Img

OPISTHOTEUTHIDAE

CEPHALOPODA
COLEOIDEA [Subclass]-OCTOPODIFORMES [Superorder]-OCTOPODA [Order]-CIRRATA [Suborder]
(Sea) - 38 Sp,0 Var, 5 Img

OPPELIIDAE

CEPHALOPODA
AMMONOIDEA [Subclass]-AMMONITIDA [Order]-HAPLOCERATOIDEA [Superfamily]
(Sea) (FOSSIL) - 207 Sp,3 Var, 94 Img

ORBITESTELLIDAE

GASTROPODA
HETEROBRANCHIA [Subclass]-HETEROSTROPHA [Infraclass]
(Sea) - 32 Sp,0 Var, 10 Img

ORCULIDAE

GASTROPODA
HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-STYLOMMATOPHORA [Order]-ORCULOIDEA [Superfamily]
(Land) - 72 Sp,38 Var, 49 Img

OREOHELICIDAE

GASTROPODA
HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-STYLOMMATOPHORA [Order]-PUNCTOIDEA [Superfamily]
(Land) - 53 Sp,21 Var, 22 Img

ORIOCRASSATELLIDAE

BIVALVIA
HETERODONTA [Subclass]-ARCHIHETERODONTA [Infraclass]-ACTINODONTIDA [Order]-ORIOCRASSATELLOIDEA [Superfamily]
(Sea) (FOSSIL) - 12 Sp,0 Var, 1 Img

ORIOSTOMATIDAE

GASTROPODA
NERITIMORPHA [Subclass]-ORIOSTOMATOIDEA [Superfamily]
(Sea) (FOSSIL) - 120 Sp,1 Var, 3 Img

ORMOCERATIDAE

CEPHALOPODA
NAUTILOIDEA [Subclass]-ACTINOCERIDA [Order]
(Sea) (FOSSIL) - 24 Sp,0 Var, 1 Img

ORNITHOPECTINIDAE

BIVALVIA
PTERIOMORPHIA [Subclass]-PECTINIDA [Order]-HETEROPECTINOIDEA [Superfamily]
(Sea) (FOSSIL) - 6 Sp,0 Var, 0 Img

ORTHALICIDAE

GASTROPODA
HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-STYLOMMATOPHORA [Order]-ORTHALICOIDEA [Superfamily]
(Land) - 119 Sp,155 Var, 187 Img

ORTHOCERATIDAE

CEPHALOPODA
ORTHOCERATOIDEA [Subclass]-ORTHOCERIDA [Order]
(Sea) (FOSSIL) - 122 Sp,2 Var, 37 Img

ORTHOCERIDA (UNASSIGNED)

CEPHALOPODA
ORTHOCERATOIDEA [Subclass]-ORTHOCERIDA [Order]
(Sea) (FOSSIL) - 17 Sp,0 Var, 3 Img

ORTHONEMATIDAE

GASTROPODA
CAENOGASTROPODA [Subclass]-PALAEOSTYLOIDEA [Superfamily]
(Sea) (FOSSIL) - 40 Sp,0 Var, 3 Img

ORTHONEMIDAE

GASTROPODA
CAENOGASTROPODA [Subclass]-CERITHIMORPHA [Order]
(Sea) (FOSSIL) - 60 Sp,0 Var, 4 Img

ORTHONOTIDAE

BIVALVIA
HETERODONTA [Subclass]-EUHETERODONTA [Infraclass]-SOLENIDA [Order]-ORTHONOTOIDEA [Superfamily]
(Sea) (FOSSIL) - 12 Sp,1 Var, 6 Img

ORTHONYCHIIDAE

GASTROPODA
NERITIMORPHA [Subclass]-CYRTONERITIMORPHA [Order]
(Sea) (FOSSIL) - 65 Sp,0 Var, 4 Img

ORTHOTHECIDAE

HYOLITHA
ORTHOTHECIDA [Order]
(Sea) (FOSSIL) - 12 Sp,0 Var, 0 Img

ORTHROZANCLIDAE

DIPLACOPHORA
SACHITIDA [Order]
(Sea) (FOSSIL) - 1 Sp,0 Var, 0 Img

ORULGANITIDAE

CEPHALOPODA
AMMONOIDEA [Subclass]-GONIATITIDA [Order]-SCHISTOCERATOIDEA [Superfamily]
(Sea) (FOSSIL) - 6 Sp,0 Var, 0 Img

OSTEOPELTIDAE

GASTROPODA
VETIGASTROPODA [Subclass]-LEPETELLOIDEA [Superfamily]
(Sea) - 3 Sp,0 Var, 2 Img

OSTREIDAE

BIVALVIA
PTERIOMORPHIA [Subclass]-OSTREIDA [Order]-OSTREOIDEA [Superfamily]
(Sea) - 388 Sp,56 Var, 150 Img

OTINIDAE

GASTROPODA
HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-EUPULMONATA [Order]-ELLOBIOIDEA [Superfamily]
(Freshwater) - 1 Sp,0 Var, 1 Img

OTOCERATIDAE

CEPHALOPODA
AMMONOIDEA [Subclass]-CERATITIDA [Order]-OTOCERATOIDEA [Superfamily]
(Sea) (FOSSIL) - 8 Sp,0 Var, 0 Img

OTOITIDAE

CEPHALOPODA
AMMONOIDEA [Subclass]-AMMONITIDA [Order]-STEPHANOCERATOIDEA [Superfamily]
(Sea) (FOSSIL) - 58 Sp,1 Var, 32 Img

OVATOCONCHIDAE

BIVALVIA
PROTOBRANCHIA [Subclass]-SOLEMYIDA [Order]-SOLEMYOIDEA [Superfamily]
(Sea) (FOSSIL) - 1 Sp,0 Var, 0 Img

OVULIDAE

GASTROPODA
CAENOGASTROPODA [Subclass]-LITTORINIMORPHA [Order]-CYPRAEOIDEA [Superfamily]
(Sea) - 316 Sp,52 Var, 260 Img

OXYCHILIDAE

GASTROPODA
HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-STYLOMMATOPHORA [Order]-GASTRODONTOIDEA [Superfamily]
(Land) - 191 Sp,22 Var, 75 Img

OXYNOIDAE

GASTROPODA
HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]-SACOGLOSSA [Order]-OXYNOACEA [Suborder]-OXYNOOIDEA [Superfamily]
(Sea) - 18 Sp,0 Var, 9 Img

OXYNOTICERATIDAE

CEPHALOPODA
AMMONOIDEA [Subclass]-AMMONITIDA [Order]-PSILOCERATOIDEA [Superfamily]
(Sea) (FOSSIL) - 42 Sp,0 Var, 16 Img

OXYTEUTHIDIDAE

CEPHALOPODA
COLEOIDEA [Subclass]-BELEMNITIDA [Order]
(Sea) (FOSSIL) - 10 Sp,0 Var, 1 Img

OXYTOMIDAE

BIVALVIA
PTERIOMORPHIA [Subclass]-PECTINIDA [Order]-OXYTOMOIDEA [Superfamily]
(Sea) (FOSSIL) - 34 Sp,0 Var, 3 Img

0 – 5 pieces	6 stars
6 – 10 pieces	5 stars
11 - 25 pieces	4 stars
26 - 75 pieces	3 stars
76 - 150 pieces	2 stars
> 150 pieces	1 star

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WMSDB - Worldwide Mollusc Species DataBase