Acanthoceratidae
| Acanthoceratidae | |
|---|---|
| |
| Mantelliceras tuberculatum | |
Scientific classification 
| |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Superfamily: | †Acanthoceratoidea |
| Family: | †Acanthoceratidae Grossouvre, 1894 |
| Subfamilies | |
|
See text | |
| Synonyms | |
| |
Acanthoceratidae is an extinct family of acanthoceratoid cephalopods in the order Ammonitida, known from the Upper Cretaceous. The type genus is Acanthoceras.
Diagnosis[]
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.
Taxonomy[]
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)
- Hyatt, 1903
References[]
- 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).
- The Paleobiology Database
 | This Ammonitina-related article is a stub. You can help Wikipedia by . |
Categories:
- Acanthoceratidae
- Acanthoceratoidea
- Ammonitida families
- Late Cretaceous first appearances
- Late Cretaceous extinctions
- Late Cretaceous taxonomic families
- Ammonitina stubs