Subprionocyclus hitchinensis Billinghurst 1927 (ammonite)

Cephalopoda - Ammonitida - Collignoniceratidae

Alternative combination: Prionocyclus hitchinensis

Full reference: S. A. Billinghurst. 1927. On some new Ammonoidea from the Chalk Rock. Geological Magazine 64:511-518

Belongs to Subprionocyclus according to W. J. Kennedy and A. S. Gale 2015

See also Billinghurst 1927 and Wright 1979

Sister taxa: Subprionocyclus branneri, Subprionocyclus neptuni, Subprionocyclus normalis, Oregoniceras argonautarum, Oregoniceras multicostum, Oregoniceras condoni, Oregoniceras jacksonense, Oregoniceras phoenixense

Type specimen: BMNH C32292, a shell. Its type locality is Hill End Farm Pit, Hitch Wood (Billinghurst collection), which is in a Turonian carbonate chalk in the Lewes Nodular Chalk Formation of the United Kingdom.

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell diameter 21.0

Distribution:

• Cretaceous of France (1 collection), the United Kingdom (4)

Total: 5 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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