Calycoceras (Calycoceras) naviculare Mantell 1822 (ammonite)

Cephalopoda - Ammonitida - Acanthoceratidae

Alternative combinations: Ammonites navicularis, Calycoceras (Calycoceras) navicularis, Calycoceras naviculare

Synonyms: Acanthoceras borgesi Douville 1931, Calycoceras (Metacalycoceras) auspicum Anderson 1958, Calycoceras (Metacalycoceras) stoliczkai Collignon 1937, Calycoceras obrieni Young 1957, Mantelliceras oregonense Anderson 1958, Metacalycoceras boehmi Spath 1926, Metacalycoceras grossouvrei Spath 1926

Belongs to Calycoceras (Calycoceras) according to M. Wilmsen and E. Nagm 2014

See also Anderson 1958, Barroso-Barcenilla 2004, Cobban 1972, Cooper 1978, Howarth 1985, Kennedy et al. 1996, Kennedy and Simmons 1991 and Wilmsen and Nagm 2013

Sister taxa: Calycoceras (Calycoceras) boreale, Calycoceras (Calycoceras) dromense

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell diameter 83.7

Distribution:

• Cretaceous of Angola (2 collections), France (3), Germany (2), Japan (2), Spain (1), the United Kingdom (1), United States (22: Arizona, Colorado, Kansas, New Mexico, Utah)

Total: 33 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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