22044 - Top Well Prepared 1.61 Inch Cyphaspis (Otarion) cf. boutscharafinense Devonian Trilobite KemKem_Sawfish four denticulations on the labial

four denticulations on the labial margin

These irregularly-coiled ammonites are called heteromorph ammonites

The largest stones were recovered in the El Ga’ïdat plateau

with bicarinate

this is a very educational specimen

22044 - Top Well Prepared 1.61 Inch Cyphaspis (Otarion) cf. boutscharafinense Devonian Trilobite KemKem_Sawfish four denticulations on the labialNicely preserved and spectacularly well detailed specimen. It has been carefully prepared during a long laboratory process. Otarion, 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