Eucalycoceras pentagonus
| Eucalycoceras pentagonus. Temporal range: Cretaceous, Cenomanian 93.9–100.5Ma | |
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| Fossils shell of Eucalycoceras pentagonus. Cenomanian, Madagascar | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Ammonoidea |
| Order: | Ammonitida |
| Family: | Acanthoceratidae |
| Genus: | Eucalycoceras |
| Species: | †E. pentagonus |
| Binomial name | |
| †Eucalycoceras pentagonus Jukes-Browne 1896 | |
Eucalycoceras pentagonus is an extinct species of cephalopods belonging to the Ammonite subclass. It is the type species of Eucalycoceras.
Description
Eucalycoceras pentagonus is a medium-sized ammonite, generally compressed, with flattened flanks and venter with dense tuberculate ribs.
Distribution
Fossils of this cosmopolitan species have been found in Cretaceous (Cenomanian).
References
- Tarrantoceras Stephenson and Related Ammonoid Geneva from Cenomanian (Upper Cretaceous) Rocks in Texas and the Western Interior of the United States
- The Paleobiology Database