Acompsoceras
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| Acompsoceras Temporal range:
| |
|---|---|
| File:Gasteropods - Ammonites - Acompsoceras sp..JPG | |
| Acompsoceras sp., Upper Cretaceous (Cenomanian), from Madagascar | |
| Scientific classification Edit this classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Family: | †Acanthoceratidae |
| Subfamily: | †Acanthoceratinae |
| Genus: | †Acompsoceras Schluter |
| Species | |
|
See text | |
Acompsoceras is an extinct genus of cephalopod belonging to the Ammonite subclass. It grew to a large size compared to most ammonites. Its shell reached 18 inches (46 cm) in diameter when the animal reached adulthood. Acompsoceras appears in the fossil record during the early portion of the Cretaceous Cenomanian stage and goes extinct around the middle of that same stage.[1]
Species
[edit | edit source]Acompsoceras is in the same family as Acanthoceras, the Acanthoceratidae, and contains several species:
- A. amphibolum
- A. calabarense
- A. essendiense
- A. inconstans
- A. renevieri
Distribution
[edit | edit source]Fossils of Acompsoceras have been found in Brazil, Colombia (Hiló Formation), Germany, Madagascar, Nigeria, the United Kingdom and Texas.[2]
References
[edit | edit source]- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Acompsoceras at Fossilworks.org
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