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Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Cephalopoda
Subclassis: † Ammonoidea
Ordo: † Ammonitida
Subordo: Ammonitina
Superfamilia: Acanthocerataceae
Familia: Acanthoceratidae
Subfamiliae: Acanthoceratinae - Euomphaloceratinae - Mammitinae - Mantelliceratinae

Acanthoceratidae de Grossouvre, 1894

The Paleobiology Database Accessed on 12/12/08

Acanthoceratidae is an extinct family of acanthoceratoid cephalopods in the order Ammonitida, known from the Upper Cretaceous. The type genus is Acanthoceras.

Acanthoceratidae species are strongly tuberculate with at least umbilical and ventrolateral tubercles in most genera included. Ribs are dominant in some, in others weak or absent on the outer whorls. Most are evolute, compressed to very depressed in section. Sutures are ammonitic with little variation, but showing a tendency for simplication in later genera.

Acanthoceratidae de Grossouvre, 1894 includes the following subfamilies.

Acanthoceratinae de Groussouvre, 1894
Euomphaloceratinae Cooper, 1978
Mammitinae (Hyatt, 1900) (= Fallotitinae Wiedmann, 1960; Mitoniainae Renz & Alvarez, 1979)
Mantelliceratinae Hyatt, 1903


Wright, W.C. 1957 Family Acanthoceratidae Hyatt in W.J. Arkell, et al. 1957. Mesozoic Ammonoidea;. Treatise on Invertebrate Paleontology, Part L. Geological Society of America, R.C. Moore (ed).
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