Gaudryceras
| Gaudryceras Temporal range: Cretaceous | |
|---|---|
 | |
| Fossil of Gaudryceras species | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Order: | Ammonitida |
| Family: | Gaudryceratidae |
| Genus: | Gaudryceras de Grossouvre 1894 |
Gaudryceras is an ammonite genus belonging to the family Gaudryceratidae.
These cephalopods were fast-moving nektonic carnivores. They lived in the Cretaceous period, from Albian to Maastrichtian stages (105.3 to 66.043 Ma). [1][2]
Subgenera and species
Subg. Gaudryceras (Gaudryceras) de Grossouvre 1894
- Gaudryceras (Gaudryceras) cassisianum d'Orbigny 1850
- Gaudryceras (Gaudryceras) mitis Hauer 1866
- Gaudryceras (Gaudryceras) strictum Kennedy et al. 2007
Subg. Gaudryceras (Mesogaudryceras) Spath 1927
- Gaudryceras (Mesogaudryceras) leptonema Sharpe 1855
Subg. Gaudryceras (Neogaudryceras) Shimizu 1935
- Gaudryceras (Neogaudryceras) pictum Yabe 1903
- Gaudryceras beantalyense Collignon 1956
- Gaudryceras denseplicatum Jimbo 1894
- Gaudryceras kayei Forbes 1846
- Gaudryceras makarovense Shigeta and Maeda 2005
- Gaudryceras seymouriense Macellari 1986
- Gaudryceras stefaninii Venzo 1936
- Gaudryceras tenuiliratum Yabe 1903
- Gaudryceras varagurense Kossmat 1895
- Lytoceras varagurense patagonicum Paulcke 1907
- Gaudryceras varicostatum van Hoepen 1921
- Lytoceras (Gaudryceras) alamedense Smith 1889
- Lytoceras (Gaudryceras) aureum Anderson 1958
- Lytoceras (Gaudryceras) delvallense Anderson 1958
- Lytoceras (Gaudryceras) denmanense Whiteaves 1903
- Lytoceras (Gaudryceras) texanum Anderson 1958
Distribution
Fossils of species within this genus have been found in the Cretaceous sediments of Angola, Antarctica, Australia, Austria, Brazil, Chile, France, Germany, India, Japan, Madagascar, Mexico, New Zealand, Nigeria, Russia, South Africa, Spain and United States. [1]
References
- 1 2 3 Fossilworks
- ↑ Sepkoski, Jack Sepkoski's Online Genus Database – Cephalopodes
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