Vermiceras
Not to be confused with Vericeras
| Vermiceras Temporal range:
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| Vermiceras scylla fossil | |
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| Genus: | †Vermiceras
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Vermiceras is an ammonite that belongs to the order Ammonitida.[2] Its shell is evolute and is covered in nonbranching ribs. Its whorls do not increase in size very fast, but there are many revolutions on its shell, which is fairly narrow. It has a sharp ventral keel and a diameter of about 5.2 centimeters (2 inches). It lived in the Early Jurassic.
Subgenera and species
- V. (=Metophioceras) galaczi
- V. (=Metophioceras) rotarium
- V. (=Metophioceras) rotticus
- V. (=Metophioceras) trigonatum
- V. (=Protocymbites) azzouzi
- V. densicostatum
- V. (Gyrophioceras)
- V. (G.) mineralense
- V. (G.) morganense
- V. (G.) praespiratissimum
- V. (G.) supraspiratum
- V. (Paracaloceras)
- V. (P.) concavum
- V. (P.) coregonense
- V. (P.) multicostatum
- V. (P.) rursicostatum
- V. (P.) varaense
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 2016-02-25. Retrieved 2017-10-18.
- ^ "Paleobiology Database - Vermiceras". Retrieved 2017-10-19.
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- Bibliography
- Moore, Raymond Cecil., Alfred George. Fischer, and Cecil Gordon. Lalicker. Invertebrate Fossils. New York: McGraw-Hill, 1952. Print. ISBN 9780070430204
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