-
Genus: Cyclozyga Knight, 1930 † (DB: 6 SP)
-
Cyclozyga attenuata
Hoare & Sturgeon, 1978 † (FOSSIL)
-
Cyclozyga carinata
Knight, 1930 † (FOSSIL)
-
Cyclozyga micra
(Beus, 1978 †) (FOSSIL)
-
Donaldina micra Beus, 1978 † =» Cyclozyga micra
(Beus, 1978 †)
-
Cyclozyga mirabilis
Knight, 1930 † (FOSSIL)
-
Cyclozyga neotenica
Elias, 1958 † (FOSSIL)
-
Cyclozyga sinusigera
E.K. Yoo, 1988 † (FOSSIL)
-
Genus: Eoptychia Longstaff, 1933 † (DB: 5 SP)
-
Eoptychia abbreviata
(de Koninck, 1881 †) (FOSSIL)
-
Loxonema abbreviatum de Koninck, 1881 † =» Eoptychia abbreviata
(de Koninck, 1881 †)
-
Eoptychia carinimaxima
(Wang, 1987 †) (FOSSIL)
-
Meekospira carinimaxima Wang, 1987 † =» Eoptychia carinimaxima
(Wang, 1987 †)
-
Eoptychia intermittens
Hoare, 1961 † (FOSSIL)
-
Eoptychia sulcata
(de Koninck, 1881 †) (FOSSIL)
-
Loxonema sulcatum de Koninck, 1881 † =» Eoptychia sulcata
(de Koninck, 1881 †)
-
Eoptychia tenuistriata
(Portlock, 1843 †) (FOSSIL)
-
Genus: Gamizyga Hoare & Sturgeon, 1980 † (DB: 5 SP)
-
Gamizyga corpulentissima
(Knight, 1930 †) (FOSSIL)
-
Gamizyga expansa
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Gamizyga girtyi
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Gamizyga morningstarae
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Gamizyga nitida
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Genus: Helminthozyga Knight, 1930 † (DB: 3 SP)
-
Helminthozyga costellata
Hoare & Sturgeon, 1978 † (FOSSIL)
-
Helminthozyga undulata
Hoare & Sturgeon, 1978 † (FOSSIL)
-
Helminthozyga vermiculus
Knight, 1930 † (FOSSIL)
-
Genus: Hemizyga Girty, 1915 † (DB: 13 SP)
-
Hemizyga attenuata
(Hoare & Sturgeon, 1980 †) (FOSSIL)
-
Gamizyga attenuata Hoare & Sturgeon, 1980 † =» Hemizyga attenuata
(Hoare & Sturgeon, 1980 †)
-
Hemizyga bilineata
Batten, 1966 † (FOSSIL)
-
Hemizyga clathratula
(A.T. Young & Armstrong, 1874 †) (FOSSIL)
-
Hemizyga corbis
Knight, 1930 † (FOSSIL)
-
Hemizyga dubia
Girty, 1915 † (FOSSIL)
-
Hemizyga elegans
Girty, 1915 † (FOSSIL)
-
Hemizyga globosa
Batten, 1985 † (FOSSIL)
-
Hemizyga gracilis
Girty 1915 † (FOSSIL)
-
Hemizyga grandicostata
Girty, 1915 † (FOSSIL)
-
Hemizyga heliciforma
Batten, 1966 † (FOSSIL)
-
Hemizyga illineata
Knight, 1930 † (FOSSIL)
-
Hemizyga inflata
Knight, 1930 † (FOSSIL)
-
Hemizyga larga
B.S. Kues & Batten, 2001 † (FOSSIL)
-
Genus: Hyphantozyga Knight, 1930 † (DB: 13 SP)
-
Hyphantozyga cancellata
(Mark, 1912 †) (FOSSIL)
-
Hyphantozyga fenestrata
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Hyphantozyga filicosta
Hoare, 1961 † (FOSSIL)
-
Hyphantozyga fusiforma
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Hyphantozyga gracilis
Knight, 1930 † (FOSSIL)
-
Hyphantozyga grandis
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Hyphantozyga granifera
(de Koninck, 1876 †) (FOSSIL)
-
Hyphantozyga knighti
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Hyphantozyga matanensis
Pan & Yu, 1993 † (FOSSIL)
-
Hyphantozyga noinskyi
Mazaev, 2015 † (FOSSIL)
-
Hyphantozyga perattenuata
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Hyphantozyga pulchra
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Hyphantozyga textilis
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Genus: Levizygopleura Bandel, 2002 † (DB: 2 SP)
-
Levizygopleura charma
Pan & Erwin, 2002 † (FOSSIL)
-
Levizygopleura elegans
Mazaev, 2015 † (FOSSIL)
-
Genus: Microptychis Longstaff, 1912 † (DB: 11 SP)
-
Microptychis cerithiformis
(F.B. Meek & A.H. Worthen, 1860 †) (FOSSIL)
-
Streptacis cerithiformis F.B. Meek & A.H. Worthen, 1860 † =» Microptychis cerithiformis
(F.B. Meek & A.H. Worthen, 1860 †)
-
Microptychis constricta
(J. de C. Sowerby, 1821 †) (FOSSIL)
-
Turritella constricta J. de C. Sowerby, 1821 † =» Microptychis constricta
(J. de C. Sowerby, 1821 †)
-
Loxonema constricta J. de C. Sowerby, 1821 † =» Microptychis constricta
(J. de C. Sowerby, 1821 †)
-
Microptychis expetendus
Hoare & Sturgeon, 1981 † (FOSSIL)
-
Microptychis insolita
B.S. Kues, 2002 † (FOSSIL)
-
Microptychis jacksoni
Longstaff † (FOSSIL)
-
Microptychis occabus
Hoare & Sturgeon, 1981 † (FOSSIL)
-
Microptychis permiana
Batten, 1985 † (FOSSIL)
-
Microptychis trochus
Knight, 1930 † (FOSSIL)
-
Microptychis turbineus
Hoare & Sturgeon, 1981 † (FOSSIL)
-
Microptychis williamsi
Knight, 1930 † (FOSSIL)
-
Microptychis wrighti
Longst, 1912 † (FOSSIL)
-
Genus: Plocezyga Knight, 1930 † (DB: 31 SP)
-
Plocezyga abolescens
Knight, 1930 † (FOSSIL)
-
Plocezyga acuminata
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Plocezyga angularis
Knight, 1930 † (FOSSIL)
-
Plocezyga conica
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Plocezyga convertacostata
Hoare, 1961 † (FOSSIL)
-
Plocezyga cordiformis
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Plocezyga corona
Knight, 1930 † (FOSSIL)
-
Plocezyga costata
(Mark, 1912 †) (FOSSIL)
-
Aclisina costata Mark, 1912 † =» Plocezyga costata
(Mark, 1912 †)
-
Plocezyga delicata
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Plocezyga excellens
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Plocezyga gruendeli
A. Kaim, 2004 † (FOSSIL)
-
Plocezyga indica
Reed, 1944 † (FOSSIL)
-
Plocezyga intermedia
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Plocezyga lineata
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Plocezyga lirata
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Plocezyga mapesi
A. Nützel, 1998 † (FOSSIL)
-
Plocezyga markae
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Plocezyga obscura
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Plocezyga ornata
(Mark, 1912 †) (FOSSIL)
-
Plocezyga ornatissima
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Plocezyga percostata
Knight, 1930 † (FOSSIL)
-
Plocezyga perminuta
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Plocezyga regularia
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Plocezyga serocorona
Batten, 1985 † (FOSSIL)
-
Plocezyga subnodosa
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Plocezyga subquadrata
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Plocezyga tenuilirata
Knight, 1930 † (FOSSIL)
-
Plocezyga tenuis
Knight, 1930 † (FOSSIL)
-
Plocezyga turbinata
Hoare & Sturgeon, 1980 † (FOSSIL)
-
Plocezyga varica
Pan & Erwin, 2002 † (FOSSIL)
-
Plocezyga yunnanensis
Pan & Erwin, 2002 † (FOSSIL)
-
Genus: Pseudoplocezyga Licharev, 1975 † (DB: 1 SP)
-
Pseudoplocezyga propria
Licharev, 1975 † (FOSSIL)
-
Genus: Pseudozygopleura Knight, 1930 † (DB: 73 SP)
-
Pseudozygopleura acuminata
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura angustata
Hoare & Sturgeon, 1985 † (FOSSIL)
-
Pseudozygopleura assertonsoris
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura baltea
Hoare & Sturgeon, 1985 † (FOSSIL)
-
Pseudozygopleura belli
Carew, 1980 † (FOSSIL)
-
Pseudozygopleura cirritus
Hoare & Sturgeon, 1985 † (FOSSIL)
-
Pseudozygopleura condrai
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura conica
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura contractus
Hoare & Sturgeon, 1981 † (FOSSIL)
-
Pseudozygopleura convexus
Batten, 1985 † (FOSSIL)
-
Pseudozygopleura croneisi
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura cylindrata
Knight 1930 † (FOSSIL)
-
Pseudozygopleura deloi
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura eucharis
Hoare, 1961 † (FOSSIL)
-
Pseudozygopleura eximia
Hoare & Sturgeon, 1985 † (FOSSIL)
-
Pseudozygopleura funis
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura girtyi
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura gracilis
E.K. Yoo, 1994 † (FOSSIL)
-
Pseudozygopleura gradatus
Hoare & Sturgeon, 1981 † (FOSSIL)
-
Pseudozygopleura granda
(B.S. Kues & R.L. Batten, 2001 †) (FOSSIL)
-
Stephanozyga granda B.S. Kues & R.L. Batten, 2001 † =» Pseudozygopleura granda
(B.S. Kues & R.L. Batten, 2001 †)
-
Pseudozygopleura hoarei
A. Nützel, 1998 † (FOSSIL)
-
Pseudozygopleura irrugata
Hoare & Sturgeon, 1985 † (FOSSIL)
-
Pseudozygopleura kellettae
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura knighti
(E.L. Yochelson, 1962 †) (FOSSIL)
-
Loxonema knighti E.L. Yochelson, 1962 † =» Pseudozygopleura knighti
(E.L. Yochelson, 1962 †)
-
Pseudozygopleura lanceolatus
Hoare & Sturgeon, 1981 † (FOSSIL)
-
Pseudozygopleura lefebvrei
(Léveillé, 1835 †) (FOSSIL)
-
Zygopleura lefebvrei Léveillé, 1835 † =» Pseudozygopleura lefebvrei
(Léveillé, 1835 †)
-
Pseudozygopleura leveneae
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura limus
Hoare & Sturgeon, 1981 † (FOSSIL)
-
Pseudozygopleura lirata
Batten, 1985 † (FOSSIL)
-
Pseudozygopleura macra
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura marvinwelleri
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura micra
Pan & Erwin, 2002 † (FOSSIL)
-
Pseudozygopleura moorei
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura mucronatus
Hoare & Sturgeon, 1981 † (FOSSIL)
-
Pseudozygopleura multicostata
(F.B. Meek & A.H. Worthen, 1862 †) (FOSSIL)
-
Zygopleura multicostata F.B. Meek & A.H. Worthen, 1862 † =» Pseudozygopleura multicostata
(F.B. Meek & A.H. Worthen, 1862 †)
-
Pseudozygopleura mutabilis
B.S. Kues, 2004 † (FOSSIL)
-
Pseudozygopleura nana
(Girty, 1915 †) (FOSSIL)
-
Zygopleura nana Girty, 1915 † =» Pseudozygopleura nana
(Girty, 1915 †)
-
Pseudozygopleura nigra
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura obliqua
Batten, 1985 † (FOSSIL)
-
Pseudozygopleura obtusicacuminis
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura pagoda
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura palus
Hoare & Sturgeon, 1981 † (FOSSIL)
-
Pseudozygopleura pandus
Hoare & Sturgeon, 1981 † (FOSSIL)
-
Pseudozygopleura peoriense
(A.H. Worthen, 1884 †) (FOSSIL)
-
Holopea peoriensis A.H. Worthen, 1884 † =» Pseudozygopleura peoriense
(A.H. Worthen, 1884 †)
-
Pseudozygopleura perversa
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura pinquicula
Hoare & Sturgeon, 1985 † (FOSSIL)
-
Pseudozygopleura pleurozyga
Batten, 1985 † (FOSSIL)
-
Pseudozygopleura plummeri
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura dunbari Knight, 1930 † =» Pseudozygopleura plummeri
Knight, 1930 †
-
Pseudozygopleura pluricostata
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura praeacuta
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura pugonis
Hoare & Sturgeon, 1981 † (FOSSIL)
-
Pseudozygopleura pulchra
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura pupa
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura Pyrgozyga
Knight 1930 † (FOSSIL)
-
Pseudozygopleura recticostata
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura rectus
Hoare & Sturgeon, 1981 † (FOSSIL)
-
Pseudozygopleura restis
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura rothi
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura schucherti
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura scitula
(F.B. Meek & A.H. Worthen, 1860 †) (FOSSIL)
-
Pseudozygopleura affinis Girty, 1915 † =» Pseudozygopleura scitula
(F.B. Meek & A.H. Worthen, 1860 †)
-
Loxonema rugosa F.B. Meek & A.H. Worthen, 1860 † =» Pseudozygopleura scitula
(F.B. Meek & A.H. Worthen, 1860 †)
-
Loxonema scitula F.B. Meek & A.H. Worthen, 1860 † =» Pseudozygopleura scitula
(F.B. Meek & A.H. Worthen, 1860 †)
-
Loxonema scitulum F.B. Meek & A.H. Worthen, 1860 † =» Pseudozygopleura scitula
(F.B. Meek & A.H. Worthen, 1860 †)
-
Pseudozygopleura scruposus
Hoare & Sturgeon, 1981 † (FOSSIL)
-
Pseudozygopleura semicostata
(F.B. Meek, 1871 †) (FOSSIL)
-
Pseudozygopleura inornata Knight, 1930 † =» Pseudozygopleura semicostata
(F.B. Meek, 1871 †)
-
Pseudozygopleura sinuosior
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura sturgeoni
A. Nützel, 1998 † (FOSSIL)
-
Pseudozygopleura subclathrata
(A. Römer, 1843 †) (FOSSIL)
-
Phasianella subclathrata A. Römer, 1843 † =» Pseudozygopleura subclathrata
(A. Römer, 1843 †)
-
Pseudozygopleura subulatus
Hoare & Sturgeon, 1981 † (FOSSIL)
-
Pseudozygopleura tenuivirga
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura terebrus
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura teres
(Girty, 1915 †) (FOSSIL)
-
Zygopleura teres Girty, 1915 † =» Pseudozygopleura teres
(Girty, 1915 †)
-
Pseudozygopleura variegata
Hoare & Sturgeon, 1985 † (FOSSIL)
-
Pseudozygopleura warthini
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura werneri
Knight, 1930 † (FOSSIL)
-
Pseudozygopleura yandellana
(J.W. Hall, 1856 †) (FOSSIL)
-
Pseudozygopleura plebium Herrick, 1887 † =» Pseudozygopleura yandellana
(J.W. Hall, 1856 †)
-
Palaeozygopleura yandellana J.W. Hall, 1856 † =» Pseudozygopleura yandellana
(J.W. Hall, 1856 †)
-
Loxonema yandellana J.W. Hall, 1856 † =» Pseudozygopleura yandellana
(J.W. Hall, 1856 †)
-
Genus: Stephanozyga Knight, 1930 † (DB: 10 SP)
-
Stephanozyga crassa
(J. Wanner, 1922 †) (FOSSIL)
-
Zygopleura crassa J. Wanner, 1922 † =» Stephanozyga crassa
(J. Wanner, 1922 †)
-
Stephanozyga ignorata
(Trautschold, 1867 †) (FOSSIL)
-
Zygopleura ignorata Trautschold, 1867 † =» Stephanozyga ignorata
(Trautschold, 1867 †)
-
Stephanozyga lisaspira
B.S. Kues & Batten, 2001 † (FOSSIL)
-
Stephanozyga longnorensis
Longst 1933 † (FOSSIL)
-
Stephanozyga magna
Wang, 1987 † (FOSSIL)
-
Stephanozyga nishimurai
T. Kase, 1988 † (FOSSIL)
-
Stephanozyga nodosa
(Girty, 1915 †) (FOSSIL)
-
Zygopleura nodosa Girty, 1915 † =» Stephanozyga nodosa
(Girty, 1915 †)
-
Stephanozyga ornamentaria
(Netchaev, 1894 †) (FOSSIL)
-
Loxonema ornamentaria Netchaev, 1894 † =» Stephanozyga ornamentaria
(Netchaev, 1894 †)
-
Stephanozyga rugifera
(B. Phillips 1836 †) (FOSSIL)
-
Zygopleura rugifera B. Phillips, 1836 † =» Stephanozyga rugifera
(B. Phillips 1836 †)
-
Loxonema rugiferum B. Phillips, 1836 † =» Stephanozyga rugifera
(B. Phillips 1836 †)
-
Stephanozyga subnodosa
Knight, 1930 † (FOSSIL)
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