Prionocyclus hyatti Stanton 1894

Cephalopoda - Ammonitida - Collignoniceratidae

Alternative combinations: Collignoniceras hyatti, Prionotropis hyatti

Synonyms: Prionotropis eaglense Adkins 1928, Prionotropis eaglensis Adkins 1928, Pseudaspidoceras eaglensis Adkins 1928

Belongs to Prionocyclus according to F. Am├ędro et al. 2016

See also Kennedy and Cobban 1988, Kennedy et al. 2001, Powell 1963 and Sealey and Lucas 2011

Sister taxa: Prionocyclus albinus, Prionocyclus bosquensis, Prionocyclus branneri, Prionocyclus germari, Prionocyclus macombi, Prionocyclus novimexicanus, Prionocyclus pluricostatus, Prionocyclus quadratus, Prionocyclus wyomingensis

Distribution:

• Cretaceous of Canada (1: British Columbia collection), France (2), Mexico (3), United States (16: Arizona, Kansas, New Mexico, Texas, Wyoming)

Total: 22 collections each including a single occurrence

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