Classification of Jin 1989
G. †Ancillotoechia Havlicek 1959
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†Ancillotoechia eva Billings 1866
†Ancillotoechia minerva Barrande 1847
G. †Fenestrirostra Cooper 1955
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Fenestrirostra primaeva Jin 1989
Fenestrirostra pyrrha Billings 1866
G. †Hypsiptycha Wang 1949
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†Hypsiptycha anticostiensis Billings 1862
†Hypsiptycha hybrida Wang 1949
†Hypsiptycha janea Billings 1866
G. †Lepidocyclus Wang 1949
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†Lepidocyclus gigas Wang 1949
†Lepidocyclus laddi Wang 1949
G. †Linguopugnoides
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†Linguopugnoides cybelense Jin 1989
†Linguopugnoides nympha Barrande 1879
G. †Phoenicitoechia
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†Phoenicitoechia martinensis Jin 1989
†Phoenicitoechia phoenix Barrande 1847
G. †Rhynchotrema Hall 1860
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†Rhynchotrema fringilla Billings 1862
†Rhynchotrema increbescens Hall 1847
†Rhynchotrema nutrix Billings 1866
†Rhynchotrema parviseptatum Jin 1989
G. †Stegerhynchus Foerste 1909
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†Stegerhynchus borealis Buch 1834
†Stegerhynchus peneborealis Twenhofel 1928
†Stegerhynchus praecursor Foerste 1909
†Stegerhynchus vicina Billings 1866
G. †Gnamptorhynchos Jin 1989
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†Gnamptorhynchos inversum Jin 1989
†Gnamptorhynchos selliseptalicium Jin 1989
Fm. †Orthorhynchulidae Cooper 1956
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G. †Platytrochalos Jin 1989
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†Platytrochalos crudicostatus Jin 1989
†Platytrochalos peninversus Jin 1989
†Platytrochalos pulvinatus Jin 1989