Classification of Barta-Calmus 1969
G. †Frescocyathus Barta-Calmus 1969
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†Frescocyathus nagagreboensis Barta-Calmus 1969
†Frescocyathus tessieri Barta-Calmus 1969
G. †Ghirobocyathus Barta-Calmus 1969
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†Ghirobocyathus lagaensis Barta-Calmus 1969
G. Platycyathus Fromentel 1863
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†Platycyathus eburnensis Barta-Calmus 1969
†Platycyathus ghiroboensis Barta-Calmus 1969