Hymeniastrum Ehrenberg 1847

Polycystinea - Spumellaria - Spongodiscidae

Full reference: C. G. Ehrenberg. 1847. Uber die mikroskopischen kieselschaligen Polycystinen als machtige Gebirgsmasse von Barbados und uber das Verhaltniss der aus mehr als 300 neuen Arten bestehenden ganz eigenthumlichen Formengruppe jener Felsmasse zu den jetzt lebenden Tieren und zur. Bericht uber die zu Bekanntmachung geeigneten Verhandlungen der Koniglichen Preussische Akademie der Wissenschaften zu Berlin 41-60

Parent taxon: Spongodiscidae according to C. G. Ehrenberg 1847

See also Sepkoski 2002

Sister taxa: Amphirhopalum, Chitonastrum, Dictyocorine, Dictyocoryne, Euchitonia, Haliodictya, Ommatogramma, Porodiscus, Rhopalastrum, Spongaster, Spongodiscus, Spongotripus, Spongotrochus, Stylochlamydium, Stylodictya, Stylospongia, Teichertus, Tesserastrum, Tholodiscus, Trigonastrum

Subtaxa: Hymeniastrum ancora Hymeniastrum pythagorae

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Type: Hymeniastrum pythagorae

Distribution:

• NN21 of North Pacific (15 collections)

• Quaternary of North Pacific (14)

• Pliocene of North Pacific (4)

• Miocene of North Pacific (1)

• Jurassic of Italy (1)

Total: 35 collections each including a single occurrence

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