Anderssonoceras
Encyclopedia
Anderssonoceras is a small, smooth ammonite with a flared umbilical shoulder, like Prototoceras, assiged to the ceratitid
family Anderssonoceratidae
as the type, but once included in the Otoceratidae
.
Anderssonoceras comes from the Upper Permian
of China
.
Ceratitida
The Ceratitida is an order that contains almost all ammonoid cephalopod genera from the Triassic as well as ancestral forms from the Upper Permian, the exception being the phylloceratids which gave rise to the great diversity of post Triassic ammonites....
family Anderssonoceratidae
Anderssonoceratidae
Anderssonoceratidae is an extinct family of cephalopods belonging to the Ammonite subclass in the order Ceratitida.-References:* Accessed on 9/24/07...
as the type, but once included in the Otoceratidae
Otoceratidae
Otoceratidae is an extinct family of cephalopods belonging to the Ammonite subclass in the order Ceratitida.-References:* Accessed on 9/24/07...
.
Anderssonoceras comes from the Upper Permian
Permian
The PermianThe term "Permian" was introduced into geology in 1841 by Sir Sir R. I. Murchison, president of the Geological Society of London, who identified typical strata in extensive Russian explorations undertaken with Edouard de Verneuil; Murchison asserted in 1841 that he named his "Permian...
of China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...
.
References
- Arkell et al, Mesozoic Ammonoidea, Treatise on Invertebrate Paleontology, Part L. Geol Soc of America and Univ Kansas press, 1957. R. C. Moore (ed)
- D. Korn 2006 Paleozoic ammonoid classification --rft July 2010 http://paleodb.org/cgi-bin/bridge.pl?action=displayReference&reference_no=18963
- E. T. Tozer. 1981. Triassic Ammonoidea: Classification, evolution and relationship with Permian and Jurassic Forms. ...- rft July 2010 http://paleodb.org/cgi-bin/bridge.pl?action=displayReference&reference_no=18845