Gatunek typowy
Phragmophora schnuri Cooper, 1955: Gerolstein, Eifel; Mid Devonian, Eifelian.

Opis

Valves subquadrate, medium-sized, unisulcate to rectimarginate with long, straight ventral interarea; delthyrium covered by variably developed notodeltidium with minute apical foramen; cardinal process bilobed, expanded, and medially cleft; fulcral plates developed in adult shells.

Synonimy

Zasięg czasowy

Mid Devonian (Eifelian–Givetian): Europe (Germany and Poland) and Africa (Morocco).

Literatura