Cephalopoda - Goniatitida - Pericyclidae

Full reference: M., J.r. Gordon. 1986. Late Kinderhookian (Early Mississippian) ammonoids of the western United States. Journal of Paleontology 60(Supplement):1-36

Parent taxon: Pericyclus according to M., Jr. Gordon 1986

See also Furnish et al. 2009, Korn 2006 and Sepkoski 2002

Sister taxa: Pericyclus (Caenocyclus), Pericyclus (Pericyclus), Pericyclus (Trapezopericyclus), Pericyclus circulus, Pericyclus intercisus, Pericyclus mercatorius, Pericyclus princeps, Pericyclus tortuosus, Pericyclus trochus

Subtaxa: Pericyclus (Goniocyclus) antelopensis Pericyclus (Goniocyclus) blairi Pericyclus (Goniocyclus) cooperi Pericyclus (Goniocyclus) costulatus Pericyclus (Goniocyclus) decipiens Pericyclus (Goniocyclus) filaris Pericyclus (Goniocyclus) rockymontanus

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Type: Goniatites blairi

Ecology: fast-moving nektonic carnivore

Distribution:

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