Metrolytoceras

Metrolytoceras; Temporal range: Bajocian PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Ammonoidea
Order:	Ammonitida
Suborder:	Lytoceratina
Superfamily:	Lytocerataceae
Family:	Lytoceratidae
Genus:	Metrolytoceras; Buckman, 1923

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 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

^ 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. {{cite journal}}: |archive-date= / |archive-url= timestamp mismatch; 2016-02-25 suggested (help)
^ "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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[Sepkoski_Ceph-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. {{cite journal}}: |archive-date= / |archive-url= timestamp mismatch; 2016-02-25 suggested (help)

[paleodb-2] "Paleobiology Database - Metrolytoceras". Retrieved 2017-10-19.

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