Classification of Cook et al. 2003

G. †Aglaoglypta Knight 1942
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Aglaoglypta veeversi Cook 1998
G. †Retispira Knight 1945
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Retispira christinae Cook et al. 2003
Retispira culleni Campbell and Engel 1963
Retispira retifera Talent 1963
G. †Pseudomphalotrochus Blodgett 1992
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G. †Euconospira Ulrich and Scofield 1897
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Euconospira nodosa Cook et al. 2003
G. †Euryzone Koken 1896
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Euryzone hullensis Cook et al. 2003
Euryzone latitornata Linsley 1968
Euryzone pharkidopyndax Linsley 1968
G. †Gyronema Ulrich and Scofield 1897
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Gyronema minutiforma Cook et al. 2003
G. †Hesperiella Holzapfel 1889
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Hesperiella canningensis Cook et al. 2003
G. †Mourlonia de Koninck 1883
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Mourlonia subglobosa Tassell 1982
Mourlonia teichertensis Cook et al. 2003
G. †Palaeozygopleura Horný 1955
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Palaeozygopleura canningensis Cook et al. 2003
Palaeozygopleura dodgeyi Cook and Camilleri 1997
Fm. †Platyceratidae Hall 1859
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G. †Cancelloplatyceras Cook et al. 2003
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Cancelloplatyceras abowsheri Cook et al. 2003
G. †Macrochilina Bayle 1880
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Macrochilina arculata von Schlotheim 1820
G. †Brokenriveria Cook and Camilleri 1997
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Brokenriveria caleatus Goldfuss 1844
Brokenriveria pharlapensis Cook and Camilleri 1997
Brokenriveria virginensis Cook et al. 2003
Subfm. †Gyronematinae Knight 1956
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G. †Pseudoplagiothyra Vostokova 1961
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G. †Roemeriella Blodgett and Frýda 1999
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Roemeriella alticonus Cook et al. 2003
Roemeriella octocincta Römer 1843
Subfm. †Eotomariinae Wenz 1938
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G. †Baylea de Koninck 1881
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Baylea teicherti Cook et al. 2003
G. †Playfordia Cook et al. 2003
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Playfordia australis Cook et al. 2003
G. †Tasselliana Cook et al. 2003
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Tasselliana australis Cook et al. 2003
G. †Westralospira Cook et al. 2003
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Westralospira dickinsi Cook et al. 2003
Subg. †Soleniscus (Macrochilina) Bayle 1880
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Soleniscus (Macrochilina) subcostata von Schlotheim 1820