ammonites
Spirifer bistritzae Schellwien 1900 (lamp shell)

Rhynchonellata - Spiriferida - Spiriferidae

Full reference: E. Schellwien. 1900. Die Fauna der Trogkofelschichten in den Karnischen Alpen und den Karawanken I. Theil: die Brachiopoden. Abhandlungen der Kaiserlich-Königlichen Geologischen Reichsanstalt 16:1-122

Belongs to Spirifer according to E. Schellwien 1900

Sister taxa: Spirifer acutiplicatus, Spirifer bambadhurensis, Spirifer baschkirica, Spirifer battu, Spirifer battus, Spirifer bisulcatus, Spirifer byrangi, Spirifer concentricus, Spirifer crebristria, Spirifer distefanii, Spirifer dvinaensis, Spirifer enderlei, Spirifer engelgardthi, Spirifer fayettevillensis, Spirifer holodnensis, Spirifer lirellus, Spirifer malistanensis, Spirifer octoplicatus, Spirifer opimus, Spirifer pentagonoides, Spirifer pentlandi, Spirifer piassinaensis, Spirifer postventricosus, Spirifer pseudotasmaniensis, Spirifer rakuszi, Spirifer rockymontanus, Spirifer schellwieni, Spirifer siculus, Spirifer spitiensis, Spirifer subgrandiformis, Spirifer subtrigonalis, Spirifer supracarbonicus, Spirifer supramosquensis, Spirifer tareiaensis, Spirifer undata, Spirifer uralicus

Type specimen: Its type locality is Teufelsschlucht bei Neumarktl, which is in an Asselian carbonate limestone in the Dolzanova Soteska Formation of Slovenia

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 8.30 x 10.88, valve 10.0 x 18.0