†Prionocyclus quadratus Cobban 1953 (ammonite)
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Cephalopoda - Ammonitida - Collignoniceratidae
Belongs to Prionocyclus according to W. J. Kennedy et al. 2001
Sister taxa: Prionocyclus albinus, Prionocyclus bosquensis, Prionocyclus branneri, Prionocyclus californicus, Prionocyclus germari, Prionocyclus hyatti, Prionocyclus macombi, Prionocyclus novimexicanus, Prionocyclus pluricostatus, Prionocyclus wyomingensis
Type specimen: USNM 108332, a shell
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of United States (2: New Mexico collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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