Metrolytoceras

Metrolytoceras is an extinct cephalopod genus that lived during the Middle Jurassic, characterized by a planispiral evolute shell with smooth middle and outer whorls, flat sides and simplified sutures.

Metrolytoceras
Temporal range: Bajocian[1]
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Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ammonitida
Suborder:
Lytoceratina
Superfamily:
Lytocerataceae
Family:
Lytoceratidae
Genus:
Metrolytoceras

Buckman, 1923

Metrolytoceras belongs to the ammonoid suborder Lytoceratina, which is typified by having intricate, moss-like sutures, and to the family Lytoceratidae.[2] Its closest relative is Megalytoceras

References
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 2008-05-07. Retrieved 2017-10-18.
  2. "Paleobiology Database - Metrolytoceras". Retrieved 2017-10-19.
Bibliography
  • Arkell, W.J.; Kummel, B.; Wright, C.W. (1957). Mesozoic Ammonoidea. Treatise on Invertebrate Paleontology, Part L, Mollusca 4. Lawrence, Kansas: Geological Society of America and University of Kansas Press.


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