Oxynoticeras

Oxynoticeras is an extinct genus of ammonite from the Early Jurassic[1] of Europe and North America.[2] This genus is characterized by its smooth shell, with almost invisible undulations on the flank, and a sharp keel.[3]

Oxynoticeras Temporal range: Sinemurian[1] PreꞒ Ꞓ O S D C P T J K Pg N
Oxynoticeras oxynotum from Lower Lias rocks at Bishops Cleeve in Gloucestershire, England, UK
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	†Ammonoidea
Order:	†Ammonitida
Family:	†Oxynoticeratidae
Genus:	†Oxynoticeras Hyatt, 1875
Type species
Ammonites oxynotus Quenstedt, 1843
Species
O. oxynotum (Quenstedt, 1843) O. subinvolutum Spath, 1925 O. soemanni Dumortier, 1867 O. lymense Wright, 1881 O. choffati Pompeckj, 1906
Synonyms
Oxynotoceras Buckman, 1894

Synonym Oxynotoceras was created by Buckman as misspelling.[4]

Distribution

Fossils belonging to this genus were found in Europe, Morocco, Asia, Canada, USA and South America.[4]

Sources

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. • The Elements of Palaeontology by Rhona M. Black
3. Ludvigsen, Rolf & Beard, Graham. 1997. West Coast Fossils: A Guide to the Ancient Life of Vancouver Island. pg. 83
4. M. K. Howarth 2013. Treatise on Invertebrate Paleontology, Part L, Revised, Volume 3B, Chapter 4: Psiloceratoidea, Eoderoceratoidea, Hildoceratoidea.