Sphenodiscus Meek 1871 (ammonite)

Cephalopoda - Ammonitida - Sphenodiscidae

Parent taxon: Sphenodiscidae according to N. H. Landman and W. A. Cobban 2003

See also Kennedy 1986, Kennedy and Cobban 1996, Kennedy et al. 1997, Kennedy et al. 1996, Sepkoski 2002 and Zaborski 1985

Sister taxa: Coahuilites, Indoceras, Lenticeratinae, Libycoceras, Manambolites, Sphenodiscinae

Subtaxa: Sphenodiscus aberrans Sphenodiscus binkhorsti Sphenodiscus brasiliensis Sphenodiscus intermedius Sphenodiscus lobatus Sphenodiscus parahybensis Sphenodiscus pleurisepta Sphenodiscus prepleurisepta Sphenodiscus siva Sphenodiscus ubaghsi

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Type: Ammonites lenticularis

Ecology: fast-moving nektonic carnivore

Distribution:

• Cretaceous to Paleogene of United States (1: New Jersey collection)

• Cretaceous of Angola (1), Belgium (1), Brazil (2), France (5), India (1), Jordan (3), Mexico (12), the Netherlands (1), Nigeria (3), United States (175: Alabama, Arkansas, Colorado, Georgia, Maryland, Mississippi, New Jersey, North Carolina, South Carolina, South Dakota, Texas, Wyoming)

Total: 205 collections including 234 occurrences

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Specimen images are retrieved through the ePANDDA API.


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