ammonites
Cryptacanthia timanica Licharew 1936 (lamp shell)

Rhynchonellata - Terebratulida - Notothyrididae

Full reference: B. Licharew. 1936. Uber einige oberpaläozoische Gattungen der Terebratulacea aus Eurasien [On some Upper Paleozoic genera of Terebratulacea from Eurasia]. Problems of Paleontology 1:263-271

Belongs to Cryptacanthia according to B. Licharew 1936

Sister taxa: Cryptacanthia glabra, Cryptacanthia indica, Cryptacanthia permiana

Type specimen: Its type locality is Isja-Schor river, southern Timan, which is in an Asselian/Sakmarian marine horizon in the Russian Federation

Ecology: stationary epifaunal suspension feeder