Arjamannia
bellicarinata
(J. Donald, 1906 †)
(FOSSIL)

Arjamannia
cancellatula
(Sedgwick & F. McCoy, 1855 †)
(FOSSIL)

Arjamannia
inexpectans
(J.W. Hall & R.P. Whitfield, 1875 †)
(FOSSIL)

Arjamannia
pteronoides
(Longst, 1924 †)
(FOSSIL)

Arjamannia
sybellina
(Billings, 1866 †)
(FOSSIL)

Arjamannia
thraivensis
(Longst, 1924 †)
(FOSSIL)

Arjamannia
turrita
(Portlock, 1843 †)
(FOSSIL)

Arjamannia
woodlandi
(Longst, 1924 †)
(FOSSIL)

Batteniella
calvata
Mawson & al., 2002 †
(FOSSIL)

Batteniella
rarissima
(J. Perner, 1907 †)
(FOSSIL)

Donaldiella
derwiduii
(A.W. Grabau, 1922 †)
(FOSSIL)

Donaldiella
dorothea
(A.W. Grabau, 1922 †)
(FOSSIL)

Donaldiella
filosa
(J. Donald, 1902 †)
(FOSSIL)

Donaldiella
pagodai
(Endo, 1932 †)
(FOSSIL)

Donaldiella
tetracarina
O. Kobayashi, 1930 †
(FOSSIL)

Donaldiella
karczewskii
Krawczynski, 2002 †
(FOSSIL)

Donaldiella
morinensis
Horný, 1952 †
(FOSSIL)

Donaldiella
declivis
J. Perner, 1903 †
(FOSSIL)

Donaldiella
cicelia
(Billings, 1865 †)
(FOSSIL)

Ectomaria
adventa
(Butts, 1926 †)
(FOSSIL)

Ectomaria
callahanensis
(Rohr, 1980 †)
(FOSSIL)

Ectomaria
nieszkowskii
(A. Schmidt, 1858 †)
(FOSSIL)

Ectomaria
orientalis
(J. Donald, 1906 †)
(FOSSIL)

Ectomaria
pagoda
(Salter, 1859 †)
(FOSSIL)

Ectomaria
prisca
(Billings, 1859 †)
(FOSSIL)

Ectomaria
pygmaea
Weller, 1916 †
(FOSSIL)

Ectomaria
marylandica
A.H. Clarke & Swartz, 1913 †
(FOSSIL)

Ectomaria
yunnanensis
Mansuy, 1919 †
(FOSSIL)

Ectomaria
callahanensis
(Rohr, 1980 †)
(FOSSIL)

Ectomaria
multicostata
I. Hayasaka 1943 †
(FOSSIL)

Ectomaria
mongolica
A.W. Grabau 1931 †
(FOSSIL)

Ectomaria
cochleoides
Yin, 1932 †
(FOSSIL)

Ectomaria
illinoiensis
Weller, 1916 †
(FOSSIL)

Ectomaria
quinquecostata
Yin, 1932 †
(FOSSIL)

Ectomaria
laudabilis
J. Perner, 1907 †
(FOSSIL)

Eunema
fraternum
J. Perner, 1903 †
(FOSSIL)

Eunema
lyelli
J. Perner, 1903 †
(FOSSIL)

Eunema
robbinsi
J.W. Hall, 1861 †
(FOSSIL)

Eunema
nitidum
Ulrich & Scofield, 1897 †
(FOSSIL)

Eunema
brevispira
J.J.F. Whiteaves, 1892 †
(FOSSIL)

Eunema
clivosa
Ulrich & Scofield, 1897 †
(FOSSIL)

Eunema
badiotica
E.A.L. Kittl, 1891 †
(FOSSIL)

Eunema
centralis
Ulrich & Scofield, 1897 †
(FOSSIL)

Eunema
concinnula
Ulrich & Scofield, 1897 †
(FOSSIL)

Eunema
erigone
Billings, 1865 †
(FOSSIL)

Eunema
fasciata
Savage, 1913 †
(FOSSIL)

Eunema
helicteres
Salter, 1859 †
(FOSSIL)

Eunema
quadrisulcata
Ulrich & Scofield, 1897 †
(FOSSIL)

Eunema
salopiense
Pitcher, 1939 †
(FOSSIL)

Eunema
strigillatum
Salter, 1859 †
(FOSSIL)

Eunema
tietzei
E.A.L. Kittl, 1894 †
(FOSSIL)

Eunema
trilineata
J.W. Hall, 1868 †
(FOSSIL)

Eunema
ventricosa
Yü, 1961 †
(FOSSIL)

Eunema
clathratulum
J.J.F. Whiteaves, 1892 †
(FOSSIL)

Eunema
intercingulata
Seguenza, 1885 †
(FOSSIL)

Eunema
tyrolensis
E.A.L. Kittl, 1891 †
(FOSSIL)

Eunema
armata
G.A. Goldfuss, 1832 †
(FOSSIL)

Eunema
leptonotum
W.J. Raymond, 1905 †
(FOSSIL)

Eunema
rupestre
K.E.I. von Eichwald, 1856 †
(FOSSIL)

Eunema
sulcifera
K.E.I. von Eichwald, 1840 †
(FOSSIL)

Frodospira
imbricata
(Lindström, 1884 †)
(FOSSIL)

Frodospira
munda
(Lindström, 1884 †)
(FOSSIL)

Frodospira
tortuosa
(Lindström, 1884 †)
(FOSSIL)

Gyronema
liljevalli
Rohr, 1980 †
(FOSSIL)

Gyronema
chico
Mawson & al., 2002 †
(FOSSIL)

Gyronema
salteri
Haswell, 1865 †
(FOSSIL)

Gyronema
pauper
J.W. Hall, 1867 †
(FOSSIL)

Gyronema
thorsteinssoni
Rohr & Smith, 1978 †
(FOSSIL)

Gyronema
altispiralis
A.W. Grabau, 1922 †
(FOSSIL)

Gyronema
pulchellum
Ulrich & Scofield, 1897 †
(FOSSIL)

Gyronema
rotalineum
W.J. Raymond, 1906 †
(FOSSIL)

Gyronema
semicarinatum
(Salter, 1859 †)
(FOSSIL)

Gyronema
armata
G.A. Goldfuss, 1832 †
(FOSSIL)

Gyronema
multilirata
J.W. Hall, 1859 †
(FOSSIL)

Gyronema
dowlingii
J.J.F. Whiteaves, 1906 †
(FOSSIL)

Gyronema
intermedium
Bradley, 1930 †
(FOSSIL)

Gyronema
praecipitum
Ulrich & Scofield, 1897 †
(FOSSIL)

Gyronema
nacreformis
E.K. Yoo, 1994 †
(FOSSIL)

Gyronema
octavium
A.V.M.D. D'Orbigny, 1850 †
(FOSSIL)

Gyronema
lyratum
Ulrich & Scofield, 1897 †
(FOSSIL)

Gyronema
bellense
Tassell, 1978 †
(FOSSIL)

Gyronema
hamiltoniae
J.W. Hall, 1860 †
(FOSSIL)

Gyronema
minutinodosa
Blodgett & Johnson, 1992 †
(FOSSIL)

Gyronema
minutiforma
Cook & al., 2003 †
(FOSSIL)

Gyronema
ormistoni
Blodgett, 1992 †
(FOSSIL)

Hanusispira
fermioni
(Tassell, 1982 †)
(FOSSIL)

Hanusispira
fugitiva
(J. Perner, 1907 †)
(FOSSIL)

Hanusispira
hanusi
Frýda & Manda, 1997 †
(FOSSIL)

Hanusispira
tibidiensis
(Blodgett & al., 1999 †)
(FOSSIL)

Longstaffia
complexa
(J. Perner, 1903 †)
(FOSSIL)

Longstaffia
cyclonema
(Salter, 1873 †)
(FOSSIL)

Longstaffia
grata
(J. Perner, 1903 †)
(FOSSIL)

Longstaffia
groomii
(J. Donald, 1905 †)
(FOSSIL)

Longstaffia
laqueata
(Lindström, 1884 †)
(FOSSIL)

Longstaffia
pulchra
(F. McCoy, 1844 †)
(FOSSIL)

Longstaffia
teretiuscula
(J. Perner, 1907 †)
(FOSSIL)

Longstaffia
tubulosa
(Lindström, 1884 †)
(FOSSIL)

Longstaffia
uniformis
(Reed, 1901 †)
(FOSSIL)

Lophospira
basicarinata
Cullison, 1938 †
(FOSSIL)

Lophospira
corrugata
Cullison, 1938 †
(FOSSIL)

Lophospira
procris
Billings, 1865 †
(FOSSIL)

Lophospira
trochonemoides
Ulrich & Scofield, 1897 †
(FOSSIL)

Lophospira
knoxvillensis
Ulrich & Scofield, 1897 †
(FOSSIL)

Lophospira
notablis
Ulrich & Scofield, 1897 †
(FOSSIL)

Lophospira
gradata
Lindström, 1884 †
(FOSSIL)

Lophospira
kindlei
Foerste, 1924 †
(FOSSIL)

Lophospira
papillosa
Billings, 1857 †
(FOSSIL)

Lophospira
turrita
Portlock, 1843 †
(FOSSIL)

Lophospira
delicata
Tofel & Bretsky, 1987 †
(FOSSIL)

Lophospira
fillmorensis
Ulrich & Scofield, 1897 †
(FOSSIL)

Lophospira
abnormis
Ulrich & Scofield, 1897 †
(FOSSIL)

Lophospira
alata
E.F.R.K. Koken & J. Perner, 1925 †
(FOSSIL)

Lophospira
alternans
E.F.R.K. Koken & J. Perner, 1925 †
(FOSSIL)

Lophospira
bilirata
(J.W. Hall, 1860 †)
(FOSSIL)

Lophospira
billingsi
W.J. Raymond, 1905 †
(FOSSIL)

Lophospira
calcifera
R.P. Whitfield, 1889 †
(FOSSIL)

Lophospira
concurrens
J. Perner, 1907 †
(FOSSIL)

Lophospira
conoidea
Ulrich & Scofield, 1897 †
(FOSSIL)

Lophospira
decursa
Ulrich & Scofield, 1897 †
(FOSSIL)

Lophospira
dubia
J. Perner, 1903 †
(FOSSIL)

Lophospira
ferruginea
J. Donald, 1906 †
(FOSSIL)

Lophospira
gumbinense
Saladzius, 1966 †
(FOSSIL)

Lophospira
gyrogonia
(F. McCoy, 1851 †)
(FOSSIL)

Lophospira
infausta
(J. Perner, 1903 †)
(FOSSIL)

Lophospira
infirma
(J. Perner, 1903 †)
(FOSSIL)

Lophospira
jaekeli
E.F.R.K. Koken & J. Perner, 1925 †
(FOSSIL)

Lophospira
kinosakii
Kobayashi, 1934 †
(FOSSIL)

Lophospira
kuckersiana
(Teichert, 1932 †)
(FOSSIL)

Lophospira
lyckholmiensis
Teichert, 1932 †
(FOSSIL)

Lophospira
major
(J.W. Hall, 1852 †)
(FOSSIL)

Lophospira
manitoulinensis
Foerste, 1924 †
(FOSSIL)

Lophospira
mickwitzi
E.F.R.K. Koken, 1896 †
(FOSSIL)

Lophospira
milleri
(Miller, 1877 †)
(FOSSIL)

Lophospira
modesta
(Billings, 1857 †)
(FOSSIL)

Lophospira
obliqua
Ulrich & Scofield, 1897 †
(FOSSIL)

Lophospira
ozakii
Endo, 1935 †
(FOSSIL)

Lophospira
pagoda
Kobayashi, 1930 †
(FOSSIL)

Lophospira
perangulata
(J.W. Hall, 1847 †)
(FOSSIL)

Lophospira
producta
Ulrich & Scofield, 1897 †
(FOSSIL)

Lophospira
rectistriata
W.J. Raymond, 1908 †
(FOSSIL)

Lophospira
sandbiana
Ebbestad & al., 2013 †
(FOSSIL)

Lophospira
selecta
(Billings, 1865 †)
(FOSSIL)

Lophospira
serrulata
(Salter, 1859 †)
(FOSSIL)

Lophospira
shallockensis
Longst, 1924 †
(FOSSIL)

Lophospira
spironema
Ulrich & Scofield, 1897 †
(FOSSIL)

Lophospira
subalata
E.F.R.K. Koken & J. Perner, 1925 †
(FOSSIL)

Lophospira
subglobosa
J. Donald, 1906 †
(FOSSIL)

Lophospira
superba
Butts, 1926 †
(FOSSIL)

Lophospira
terrassa
A.W. Grabau, 1922 †
(FOSSIL)

Lophospira
tesakovi
Kurushin, 1986 †
(FOSSIL)

Lophospira
trispiralis
J. Donald, 1906 †
(FOSSIL)

Lophospira
variablis
J. Donald, 1902 †
(FOSSIL)

Lophospira
ventricosa
(J.W. Hall, 1847 †)
(FOSSIL)

Lophospira
grandis
Wilson, 1938 †
(FOSSIL)

Lophospira
saffordi
Ulrich & Scofield, 1897 †
(FOSSIL)

Lophospira
acutocarinata
Twenhofel, 1928 †
(FOSSIL)

Lophospira
belli
Foerste, 1924 †
(FOSSIL)

Lophospira
scutulata
Lindström, 1884 †
(FOSSIL)

Lophospira
minnesotensis
Ulrich & Scofield, 1897 †
(FOSSIL)

Lophospira
arctica
Tolmachoff, 1930 †
(FOSSIL)

Lophospira
pagodai
Endo, 1932 †
(FOSSIL)

Lophospira
caradociana
Harper †
(FOSSIL)

Lophospira
ramsayi
Harper †
(FOSSIL)

Loxoplocus
hyacinthensis
Foerste, 1924 †
(FOSSIL)

Loxoplocus
nelsonae
Peel, 1975 †
(FOSSIL)

Loxoplocus
sedgwicki
J. Donald, 1906 †
(FOSSIL)

Loxoplocus
silurica
(d'Eichwald, 1840 †)
(FOSSIL)

Loxoplocus
soluta
(J.J.F. Whiteaves, 1884 †)
(FOSSIL)

Loxoplocus
vermetus
(E.F.R.K. Koken, 1897 †)
(FOSSIL)

Manzanospira
manzanicum
(Girty, 1909 †)
(FOSSIL)

Manzanospira
turrita
Pan & Erwin, 2002 †
(FOSSIL)

Manzanospira
wordensis
Batten, 1989 †
(FOSSIL)

Paupospira
beatrice
(Foerste, 1914 †)
(FOSSIL)

Paupospira
bowdeni
(Safford, 1869 †)
(FOSSIL)

Paupospira
burginensis
(Ulrich & Scofield, 1897 †)
(FOSSIL)

Paupospira
circe
(Billings, 1857 †)
(FOSSIL)

Paupospira
elevata
(Ulrich & Scofield, 1897 †)
(FOSSIL)

Paupospira
manitouliensis
(Foerste, 1924 †)
(FOSSIL)

Paupospira
moorei
(Ulrich & Scofield, 1897 †)
(FOSSIL)

Paupospira
oweni
(Ulrich & Scofield, 1897 †)
(FOSSIL)

Paupospira
soluta
(E.F.R.K. Koken & J. Perner, 1925 †)
(FOSSIL)

Paupospira
sumnerensis
(Safford, 1869 †)
(FOSSIL)

Paupospira
tenuistriata
(Ulrich & Scofield, 1897 †)
(FOSSIL)

Paupospira
thebesensis
(Savage, 1913 †)
(FOSSIL)

Paupospira
trilineata
(Foerste, 1923 †)
(FOSSIL)

Paupospira
tropidophora
(F.B. Meek, 1873 †)
(FOSSIL)

Paupospira
varians
(Billings, 1857 †)
(FOSSIL)

Paupospira
viator
(J. Perner, 1907 †)
(FOSSIL)

Paupospira
tropidophora
(J. Perner, 1911 †)
(FOSSIL)

Proturritella
cingulata
(E.F.R.K. Koken, 1896 †)
(FOSSIL)

Proturritella
cyclophora
E.F.R.K. Koken & J. Perner, 1925 †
(FOSSIL)

Proturritella
gracilis
E.F.R.K. Koken, 1889 †
(FOSSIL)

Proturritella
historicum
Hudson, 1905 †
(FOSSIL)

Proturritella
microclathrata
Hudson, 1905 †
(FOSSIL)

Proturritella
piersalense
(E.F.R.K. Koken, 1897 †)
(FOSSIL)

Proturritella
trimarginata
(K.E.I. von Eichwald, 1840 †)
(FOSSIL)

Ruedemannia
bembexiformis
G.B. Campbell & H. Engel, 1963 †
(FOSSIL)

Ruedemannia
borkholmiensis
(E.F.R.K. Koken, 1896 †)
(FOSSIL)

Ruedemannia
cognata
(J. Perner, 1903 †)
(FOSSIL)

Ruedemannia
crassior
(J. Perner, 1903 †)
(FOSSIL)

Ruedemannia
fristschi
(J. Perner, 1903 †)
(FOSSIL)

Ruedemannia
holmi
(Lindström, 1884 †)
(FOSSIL)

Ruedemannia
humilis
(Ulrich & Scofield, 1897 †)
(FOSSIL)

Ruedemannia
instabilis
(J. Donald, 1906 †)
(FOSSIL)

Ruedemannia
laevissima
(Lindström, 1884 †)
(FOSSIL)

Ruedemannia
lirata
(Ulrich & Scofield, 1897 †)
(FOSSIL)

Ruedemannia
robusta
(Lindström, 1884 †)
(FOSSIL)

Ruedemannia
sodalis
(E.F.R.K. Koken, 1897 †)
(FOSSIL)

Ruedemannia
striatula
(J. Perner, 1907 †)
(FOSSIL)

Ruedemannia
subrobusta
(J. Perner, 1907 †)
(FOSSIL)

Ruedemannia
tolli
(E.F.R.K. Koken, 1897 †)
(FOSSIL)

Ruedemannia
trilix
(J.W. Hall, 1862 †)
(FOSSIL)