Alsatites is an extinct genus of cephalopod belonging to the Ammonite subclass. They lived during the Early Jurassic, Hettangian till the Sinemurian and are generally extremely evolute, many whorled. Keel broad and blunt organisms, they also exhibit a primary ribbing which is close and persistent.[2]

Alsatites
Temporal range: Hettangian[1]
Alsatites proaries
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Family: Arietitidae
Subfamily: Alsatitinae
Genus: Alsatites
Haug 1894

References edit

Notes
  1. ^ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Cephalopoda entry)". Bulletins of American Paleontology. 363: 1–560. Archived from the original on 2016-02-25. Retrieved 2017-10-18.
  2. ^ "Paleobiology Database - Alsatites". Retrieved 2017-10-19.
Bibliography
  • Arkell, et al.,1957. Mesozoic Ammonoidea; Treatise on Invertebrate Paleontology, Part L (Ammonoidea). Geol Soc of America and Univ Kansas Press, Revised 2013, Part L, Michale K. Howarth
  • Moore, Raymond C (1957). Treatise of Invertebrate Paleontology. Boulder, Colorado: The Geological Society of America, University of Kansas. p. L235. ISBN 0-8137-3112-7.

External links edit