Classification of Waterhouse 1983
G. †Etheripecten Waterhouse 1963
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†Etheripecten chandleri Waterhouse 1982
†Etheripecten escalatus Waterhouse 1982
†Etheripecten leniusculus Dana 1847
†Etheripecten plicatus Waterhouse 1983
G. †Kaibabella Chronic 1952
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†Kaibabella boydi Waterhouse 1983
†Kaibabella ovata Waterhouse 1983
G. †Megadesmus Sowerby 1838
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†Megadesmus deflatus Waterhouse 1983
†Megadesmus grandis Dana 1847
G. †Vacunella Waterhouse 1965
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†Vacunella curvata Morris 1845
†Vacunella oblonga Waterhouse 1969
G. †Terrakea Booker 1929
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†Terrakea brachythaera Morris 1845
†Terrakea exmoorensis Dear 1971
G. †Glendonia McClung and Armstrong 1978
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†Glendonia duodecimcostata M'Coy 1847
†Glendonia exigua McClung and Armstrong 1978
G. †Notospirifer Harrington 1955
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†Notospirifer gentilis Waterhouse 1983
†Notospirifer macropustulosus Waterhouse 1968
G. †Tomiopsis Benediktova 1956
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†Tomiopsis magna Campbell 1960
†Tomiopsis mantuanensis Campbell 1960
Fm. †Lophospiridae Wenz 1938
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Subg. †Myonia (Myomedia) Waterhouse 1969
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†Myonia (Myomedia) carinata Morris 1845