Aegasteroceras
Aegasteroceras Temporal range: Sinemurian[1] | |
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Scientific classification | |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Cephalopoda |
Subclass: | Ammonoidea |
Order: | Ammonitida |
Family: | Arietitidae |
Subfamily: | Asteroceratinae |
Genus: | Aegasteroceras Spath, 1925. |
Aegasteroceras is an extinct cephalopod genus from the Lower Jurassic belonging to the arietitid subfamily Asteroceratinae.
The shell of Aegasteroceras is evolute with wide spaced narrow ribs that curve forward and meet at a broad low ventral keel.[2]
Aegasteroceras, named by Spath, 1925, has been found in the Sinemurian (Lower Jurassic) of England.[2]
References
- ↑ Jack Sepkoski 2002. List of Cephalopod genera
- 1 2 W.J. Arkell et al. 1957. Treatise on Invertebrate Paleontology. (L240)
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