Unipeltoceras
Unipeltoceras is an extinct ammonite genus included in the perisphictacian family, Aspidoceratidae, and a member of the subfamily Peltoceratinae, that lived during the Callovian stage, late in the Middle Jurassic.
Unipeltoceras | |
---|---|
Fossil | |
Scientific classification | |
Kingdom: | |
Phylum: | |
Class: | |
Subclass: | |
Order: | |
Superfamily: | |
Family: | |
Subfamily: | |
Genus: | Unipeltoceras Jeannet, 1951 |
Unipeltoceras is characterized by its strongly evolute, discoidal shell with sharp ribbing on the inner whorls and differing from Peltoceras, s.s. by having only an outer row of tubercles on the outer whorls.
References
- Arkell, et al., 1957. Mesozoic Ammonoidea. Treatise on Invertebrate Paleontology, Part L (Ammonoidea). Geol Soc of America and Univ Kansas Press. p. L336
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.