Gatunek typowy
Terebratulites umbraculum von Schlotheim, 1820; Gerolstein (Eifel), Germany; Mid Devonian (probably Eifelian)

Opis

Similar to Coolinia but larger, subquadrate, more resupinate with high convex pseudodeltidium and low chilidium; fila commonly extending as short spines along fine costellae; dorsal muscle scar divided by myophragm.

Synonimy
Apicilirella Su, 1976

Zasięg czasowy

Mid Devonian (Eifelian to Givetian); Europe (Germany, Poland, France), Asia (Turkestan, Myanmar) and Africa (Morocco, Mauretania).

Literatura