Arietites
Arietites is a genus of massive, giant evolute, psiloceratacean ammonites in the family Arietitidae in which whorls are subquadrate and transversely ribbed and low keels in triplicate, separated by a pair of longitudinal grooves, run along the venter. Fossils are known world wide from the lower Sinemurian stage of the Lower Jurassic. Safari Ltd made an Arietites bucklandi figurine in 2014.
Similar genera include Megarietites in which the keels are reduced and Epammonites in which the ribs are more closely spaced.
Species
- Arietites ablongaris
- Arietites alcinoe Reynès, 1879
- Arietites anastreptoptychus Franz Wähner, 1891
- Arietites bisulcatus
- Arietites bonnardii Alcide Dessalines d'Orbigny, 1879
- Arietites brookei
- Arietites bucklandi George Brettingham Sowerby, 1816
- Arietites crossi
- Arietites gaudryi Reynès
- Arietites geometricus Albert Oppe, 1856
- Arietites hettangiensis
- Arietites isis
- Arietites longicellus Friedrich August Quenstedt, 1858
- Arietites meigeni,
- Arietites meridionalis Reynès
- Arietites obesulus J. F. Blake, 1876
- Arietites obtusus
- Arietites pinguis
- Arietites planaries Reynès, 1879
- Arietites quadratus E. Donovan, 1952
- Arietites radiatus C. T. Simpson, 1843
- Arietites retroversicostatus Canavari
- Arietites rotiformis Sowerby
- Arietites scunthorpense
- Arietites semicostatus A. T. Young & Bird, 1828
- Arietites spiratissimus
- Arietites subsalinarius Wähner, 1891,
- Arietites tenellus C. T. Simpson, 1855
- Arietites turneri
- Arieties westfalicus Lange
- Arietites wichmanni August Rothpletz, 1892