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Helicocyclus laxaris Korn et al. 2010 (ammonite)

Cephalopoda - Ammonoidea - Pericyclidae

PaleoDB taxon number: 249211

Full reference: D. Korn, J. Bockwinkel, and V. Ebbighausen. 2010. The ammonoids from the Argiles de Teguentour of Oued Temertasset (early Late Tournaisian; Mouydir, Algeria). Fossil Record 13(1):35-152

Belongs to Helicocyclus according to D. Korn et al. 2010

Sister taxa: Helicocyclus divergens, Helicocyclus formosus, Helicocyclus fuscus, Helicocyclus inornatus, Helicocyclus tianshanicus

Type specimen: Its type locality is SE Oued Temertasset, MOU-X, which is in a Tournaisian marine claystone/limestone in the Argiles de Teguentour Formation of Algeria

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell width 5.73, shell diameter 10.7