ammonites
Cardinirhynchia rotundata Seifert 1963 (lamp shell)

Rhynchonellata - Rhynchonellida - Cyclothyrididae

Full reference: I. Seifert. 1963. Die Brachiopoden des oberen Dogger der Schwäbischen Alb [Brachiopods from the Upper Dogger of the Swabian Alb]. Palaeontographica Abteilung A 121:156-203

Belongs to Cardinirhynchia according to I. Seifert 1963

Sister taxa: Cardinirhynchia acuticosta, Cardinirhynchia acuticostula, Cardinirhynchia ascita, Cardinirhynchia crassa, Cardinirhynchia surrecta

Type specimen: Its type locality is Stuifen, Bifurcata Oolith, which is in a Bajocian marine horizon in the "Bifurcata Oolith" Formation of Germany

Ecology: stationary epifaunal suspension feeder