Classification of the family Gomphocystitidae
Fm. †Gomphocystitidae Bassler 1938
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G. †Celticystis Bockelie 1979
G. †Gomphocystites Hall 1864
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†Gomphocystites californicus Stauffer 1930
†Gomphocystites glans Hall 1864
†Gomphocystites gotlandicus Angelin 1878
†Gomphocystites indianensis Miller 1889
G. †Pyrocystites Barrande 1887
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†Pyrocystites pirum Barrande 1887
Invalid names: Glyptosphaeronites Mergl 1984 [synonym]