Classification of Jones 1982
Or. Rhynchonellida Kuhn 1949
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Or. †Spiriferida Waagen 1883
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Fm. †Delthyrididae Waagen 1883
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Invalid names: Fimbrispiriferidae Pitrat 1965 [empty]
Fm. †Dalmanellidae Schuchert 1913
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Fm. †Atrypidae Gill 1871
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Fm. †Stropheodontidae Caster 1939
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G. †Cymostrophia Caster 1939
Invalid names: Brachyprioninae Harper and Boucot 1978 [empty]
Fm. †Gypidulidae Schuchert and Le Vene 1929
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Subfm. †Gypidulinae Schuchert and Le Vene 1929
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