30784 - Well Preserved 1.10 Inch Cyphaspis (Otarion) cf. boutscharafinense Devonian Trilobite Unidentified crocodile species Understanding heteromorph ammonites

Understanding heteromorph ammonites

Trilobita - Odontopleuridae

Minor phases are ilmenite

The pathological deformations in mosasaurs and in this place are not common

Tooth 2: 80 mm (3

30784 - Well Preserved 1.10 Inch Cyphaspis (Otarion) cf. boutscharafinense Devonian Trilobite Unidentified crocodile species Understanding heteromorph ammonitesOtarion, Zenker 1833 (trilobite) Trilobita Proetida Aulacopleuridae Synonyms: Conoparia Hawle and Corda 1847 (no. 155231), Otarionella Weyber 1965 (no. 21276) Parent taxon: Aulacopleuridae according to P. A. Jell and J. M. Adrain 2003 See also Jell and Adrain 2002, Sepkoski 2002, Thomas and Owens 1978 and Whittington 1941 Sister taxa: Aulacopleura, Aulacopleurinae, Coignouina, Cyphaspides, Dixiphopyge, Goodsiraspis, Maurotarion, Namuropyge,