Definition of Arietitidae. Meaning of Arietitidae. Synonyms of Arietitidae

- Arietitidae is a family of true ammonites that make up part of the superfamily Psiloceratoidea, named after the type genus Arietites. They comprise medium-size...
- Pliensbachian stages of Lower Jur****ic. They have probably evolved from Arietitidae. Ammonites belonging to this family had s**** with sphaeroconic involute...
- genus of m****ive, giant evolute, psiloceratacean ammonites in the family Arietitidae in which whorls are subquadrate and transversely ribbed and low keels...
- species of cephalopod belonging to the Ammonite subclass and to the family Arietitidae. These fast-moving n****nic carnivores lived during the lower Jur****ic...
- Mollusca class: Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Family: †Arietitidae Subfamily: †Asteroceratinae Genus: †Asteroceras Hyatt, 1867...
- bucklandi S**** Osteno outcrop An ammonitidan, type member of the family Arietitidae inside Psiloceratoidea. The main ammonite identified locally. Angulaticeras...
- absent. They have developed shorter body chambers than in the ancestral Arietitidae, resulting in more stable floating positions. Their mostly smooth, knife-edge...
- also evolute schlotheimiids with all whorls exposed. Epamminites of the Arietitidae is similar from the side but has a smooth band running along the venter...
- nov Valid Dommergues Early Jur****ic (Sinemurian)  France A member of Arietitidae. The type species is Hemicymbites tardiornatum; genus also contains "Ammonites"...
- Mollusca class: Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Family: †Arietitidae Subfamily: †Hypasteroceratinae Genus: †Hypasteroceras Spath, 1923...