†Gzheloceras biangulare Ruzhentsev and Shimanskiy 1954 (mollusk)
Cephalopoda - Nautilida - Tainoceratidae
Full reference: V. E. Ruzhentsev and V. N. Shimanskiy. 1954. Nizhnepermskie Svernutye i Sognutye Nautiloidei Yuzhnogo Urala [Lower Permian coiled and bent nautiloids of the southern Urals]. Trudy Paleontologicheskogo Instituta 50:1-150
Belongs to Gzheloceras according to V. E. Ruzhentsev and V. N. Shimanskiy 1954
Sister taxa: Gzheloceras ellipsoidale, Gzheloceras sholakense, Gzheloceras uralense
Type specimen: PIN 626/27. Its type locality is Zhil-Tau Hill, Aktyubinsk Region, which is in an Artinskian marine dolomite in the Baigendzhi Formation of the Russian Federation.
Ecology: nektobenthic carnivore