Egestas
fenestrata
(H.H. Suter, 1917 †)
(FOSSIL)

Egestas
tricordata
(A.G. Beu, 1970 †)
(FOSSIL)

Exilia
cortezi
(W.H. Dall, 1908)

Exilia
kiwi
Y.I. Kantor & P. Bouchet, 2001

Exilia
dalli
R.B. Watson, 1882

Exilia
hilgendorfi
M.G. Harasewych, 1987

Exilia
hilgendorfi
L. Bozzetti, 2000

Exilia
krigei
(R.N. Kilburn, 1971)

Exilia
gracilior
H.A. Rehder, 1967

Exilia
costatus
W.H. Dall, 1890

Exilia
meekiana
W.H. Dall, 1889

Exilia
expeditionis
(R.K. Dell, 1956)

Exilia
elegans
(K.H. Barnard, 1959)

Exilia
graphiduloides
Y.I. Kantor & P. Bouchet, 2001

Exilia
vagrans
Y.I. Kantor & P. Bouchet, 2001

Exilia
alanbeui
C. Nielsen, 2005 †
(FOSSIL)

Exilia
bentsonae
C.J.S. Hickman, 1980 †
(FOSSIL)

Exilia
lincolnensis
C.S. Weaver, 1916 †
(FOSSIL)

Exilia
trifaciata
F. Traub, 1938 †
(FOSSIL)

Exilia
hampdenensis
J. Marwick, 1942 †
(FOSSIL)

Exilia
palaeocenica
(Garvie, 2013 †)
(FOSSIL)

Exilia
waihaoensis
H.H. Suter, 1917

Exilia
pergracilis
T.A. Conrad, 1860 †
(FOSSIL)

Exilia
gracilenta
F.B. Meek, 1876

Exilia
cancellata
(B. Wade, 1926 †)
(FOSSIL)

Exilia
dickersoni
C.S. Weaver, 1912 †
(FOSSIL)

Exilia
melanopsis
(T.A. Conrad, 1860 †)
(FOSSIL)

Exilia
ordita
(L.M.D. Bellardi & O.G. Michelotti, 1841 †)
(FOSSIL)

Exilia
terebriformis
L.W. Stephenson, 1941 †
(FOSSIL)

Exilia
obscura
(B. Wade, 1926 †)
(FOSSIL)

Exilia
crassicostata
H.H. Suter, 1917 †
(FOSSIL)

Exilia
leachi
(J. Marwick, 1931 †)
(FOSSIL)

Exilia
nodulifera
(J. Marwick, 1931 †)
(FOSSIL)

Exilia
vixcostata
(Finlay & J. Marwick, 1937 †)
(FOSSIL)

Exilia
wellmani
P.A. Maxwell, 1988 †
(FOSSIL)

Exilia
zelandica
(P. Marshall, 1918 †)
(FOSSIL)

Exilia
dalli
H.H. Suter, 1907 †
(FOSSIL)

Exilia
pergracilis
(T.H. Aldrich, 1886 †)
(FOSSIL)

Exilia
perroensis
C. Nielsen, 2003 †
(FOSSIL)

Exilioidea
costulata
P. Bouchet & A. Warén, 1988

Exilioidea
indica
P. Bouchet & A. Warén, 1988

Exilioidea
rufocaudata
(W.H. Dall, 1896)

Exilioidea
atlantica
P. Bouchet & A. Warén, 1988

Marshallaria
decipiens
P.A. Maxwell, 1992 †
(FOSSIL)

Marshallaria
multicincta
(P. Marshall, 1917 †)
(FOSSIL)

Marshallaria
senilis
(P. Marshall & R. Murdoch, 1920 †)
(FOSSIL)

Marshallaria
senta
Powell, 1942 †
(FOSSIL)

Marshallaria
serotina
(H.H. Suter, 1917 †)
(FOSSIL)

Marshallaria
spiralis
(R.S. Allan, 1926 †)
(FOSSIL)

Marshallaria
uttleyi
(R.S. Allan, 1926 †)
(FOSSIL)

Marshallaria
waitakiensis
Powell, 1942 †
(FOSSIL)

Marshallaria
volckmanni
(R.A. Philippi, 1887 †)
(FOSSIL)

Metzgeria
decorata
É.A.A. Locard, 1897

Metzgeria
montereyana
A.G. Smith & W.J. Gordon, 1948

Metzgeria
costata
W.H. Dall, 1890

Metzgeria
alba
(J.G. Jeffreys in C. Wyville-Thomson, 1873)

Metzgeria
problematica
(W.F. Ponder, 1968)

Metzgeria
shirleyi
(W.O. Cernohorsky, 1980)

Metzgeria
gagei
P. Bouchet & A. Warén, 1985

Metzgeria
holcophorus
(K.H. Barnard, 1959)

Ptychatractus
occidentalis
R.E.C. Stearns, 1873

Ptychatractus
youngi
R.N. Kilburn, 1975

Ptychatractus
californicus
W.H. Dall, 1908

Ptychatractus
occidentalis
(J.T. Kuroda, 1943)

Ptychatractus
fusiformis
Abbass, 1967 †
(FOSSIL)

Ptychatractus
angustus
(G.P. Deshayes, 1835 †)
(FOSSIL)

Ptychatractus
cylindraceus
(G.P. Deshayes, 1864 †)
(FOSSIL)

Ptychatractus
exceptiunculus
(G.P. Deshayes, 1864 †)
(FOSSIL)

Ptychatractus
interruptus
(Pilkington, 1804 †)
(FOSSIL)

Ptychatractus
pukeuriensis
H.H. Suter, 1917 †
(FOSSIL)