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Sigmocycloceras Kobayashi 1934 (mollusk)

Cephalopoda - Orthoceratoidea - Sactorthoceratidae

PaleoDB taxon number: 12599

Parent taxon: Sactorthoceratidae according to B. Kröger et al. 2007

Sister taxa: Braulioceras, Cartersoceras, Centroonoceras, Glenisteroceras, Leptoplatophrenoceras, Murrayoceras, Sactorthoceras, Scipioceras, Wennanoceras, Wolungoceras

Subtaxa: none

Ecology: fast-moving nektonic carnivore