The shell of Uranoceras is typically smooth but may have growth lines that form a hyponomic sinus on the venter. The Siphuncle is large, displaced slightly ventral from the center. Septal necks are straight; connecting rings cylindrical, thin, and strongly contracted where they meet the necks.
Sepkoski, J.J. Jr. 2002. A compendium of fossil marine animal genera. D.J. Jablonski & M.L. Foote (eds.). Bulletins of American Paleontology363: 1–560. Sepkoski's Online Genus Database (CEPHALOPODA)
This prehistoric nautiloid-related article is a stub. You can help Wikipedia by expanding it.
uranoceras, barrandeocerid, genus, from, middle, silurian, belonging, family, uranoceratidae, characterized, loosely, coiled, gyroconic, shell, subquadrate, whorls, temporal, range, middle, silurian, scientific, classification, domain, eukaryota, kingdom, anim. Uranoceras is a barrandeocerid genus from the Middle Silurian belonging to the family Uranoceratidae characterized by its loosely coiled gyroconic shell of 1 5 to 2 subquadrate whorls UranocerasTemporal range Middle Silurian Scientific classification Domain Eukaryota Kingdom Animalia Phylum Mollusca Class Cephalopoda Subclass Nautiloidea Order Tarphycerida Family Uranoceratidae Genus UranocerasHyatt 1884 The shell of Uranoceras is typically smooth but may have growth lines that form a hyponomic sinus on the venter The Siphuncle is large displaced slightly ventral from the center Septal necks are straight connecting rings cylindrical thin and strongly contracted where they meet the necks Uranoceras has been found in Indiana Illinois and Wisconsin in the United States Anticosti Island in Canada and in both central and northern Europe See also edit nbsp Paleontology portal nbsp Marine life portal List of nautiloidsReferences editSweet Walter C 1964 Nautiloidea Barrandeocerida Treatise on Invertebrate Paleontology Part K Geol Soc of America and Univ Kansas Press Sepkoski J J Jr 2002 A compendium of fossil marine animal genera D J Jablonski amp M L Foote eds Bulletins of American Paleontology 363 1 560 Sepkoski s Online Genus Database CEPHALOPODA nbsp This prehistoric nautiloid related article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Uranoceras amp oldid 1020500610, wikipedia, wiki, book, books, library,
