Eucalycoceras Spath 1923 (ammonite)

Cephalopoda - Ammonitida - Acanthoceratidae

Alternative spelling: Calycoceras (Eucalycoceras)

Synonyms: Mantelliceras (Pseudomantelliceras) Thomel 1972, Pseudomantelliceras Thomel 1972

Parent taxon: Acanthoceratinae according to M. L. Guendouz et al. 2022

See also Cobban 1988, Kennedy 1994, Kennedy et al. 1996, Kennedy and Simmons 1991, Matsumoto 1959, Sepkoski 2002, Thomel 1972 and Wright et al. 1996

Sister taxa: Acanthoceras, Acompsoceras, Alzadites, Benueites, Calycoceras, Conlinoceras, Cunningtoniceras, Kastanoceras, Kennediella, Kunnamiceras, Microsulcatoceras, Nebraskites, Neocardioceras, Nigericeras, Paraconlinoceras, Plesiacanthoceratoides, Prohauericeras, Protacanthoceras, Pseudocalycoceras, Pseudovascoceras, Quitmaniceras, Tarrantoceras, Thomelites, Watinoceras

Subtaxa: Eucalycoceras (Proeucalycoceras) Eucalycoceras barcusi Eucalycoceras collignoni Eucalycoceras denizoti Eucalycoceras diabloense Eucalycoceras gothicum Eucalycoceras jeanneti Eucalycoceras pentagonum Eucalycoceras pervinquierei Eucalycoceras shastense Eucalycoceras templetonense

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Type: Ammonites pentagonus

Ecology: fast-moving nektonic carnivore

Distribution:

• Cretaceous of Algeria (2 collections), Antarctica (2), Brazil (1), France (10), India (6), Mexico (1), Spain (1), Tunisia (1), the United Kingdom (1), United States (18: Arizona, California, Colorado, New Mexico, South Dakota, Texas, Wyoming)

Total: 43 collections including 45 occurrences

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Specimen images are retrieved through the ePANDDA API.


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