Classification of Jones 1982

Or. Rhynchonellida Kuhn 1949
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Fm. †Leiorhynchidae Stainbrook 1945
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G. †Athyrhynchus Johnson 1973
Or. †Spiriferida Waagen 1883
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Fm. †Delthyrididae Waagen 1883
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Subfm. †Delthyridinae Phillips 1841
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G. †Howellella Kozlowski 1946
Invalid names: Fimbrispiriferidae Pitrat 1965 [empty]
Fm. †Dalmanellidae Schuchert 1913
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Subfm. †Cortezorthinae Johnson and Talent 1967
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G. †Cortezorthis Johnson and Talent 1967
Fm. †Atrypidae Gill 1871
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Subfm. †Atrypinae Gill 1871
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G. †Atrypa Dalman 1828
G. †Spinatrypa Stainbrook 1951
Fm. †Reticulariidae Waagen 1883
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G. †Najadospirifer Havlicek 1957
Fm. †Stropheodontidae Caster 1939
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G. †Cymostrophia Caster 1939
Invalid names: Brachyprioninae Harper and Boucot 1978 [empty]
Fm. †Nucleospiridae Davidson 1881
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G. †Nucleospira Hall 1859
Fm. †Gypidulidae Schuchert and Le Vene 1929
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Subfm. †Gypidulinae Schuchert and Le Vene 1929
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G. †Carinagypa Johnson and Ludvigsen 1973
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Subg. †Carinagypa (Aseptagypa) Brice 1982