Cephalopoda - Goniatitida - Spirolegoceratidae

Full reference: R. V. Kutygin. 1996. Spirolegoceratids (Ammonoidea) from northeastern Russia. Paleontological Journal 30(5):506-514

Belongs to Sverdrupites according to T. B. Leonova 2002

See also Kutygin 1996

Sister taxa: Sverdrupites amundseni, Sverdrupites bogoslovskayae, Sverdrupites harkeri

Type specimen: YaF SO RAN 23/173

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell diameter 22.0

Distribution: found only at Ammonitovyi Creek, Sample 5/1, Upper Baraiy River (Permian of Russian Federation)

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Specimen images are retrieved through the ePANDDA API.