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Petrography: Slices from several stones show similar metal/olivine ratio
FSU Type spec mass (g): 16
Picture: Geological map and statigraphic section of KemKem Cretaceous outcrops "Taxonomic Composition and Trophic Structure of the Continental Bony Fish Assemblage from the Early Late Cretaceous of Southeastern Morocco" Cavin L et al
vesicular masses
Belongs to Aphelaspis according to S
30788 - Well Preserved 1.28 Inch Cyphaspis (Otarion) cf. boutscharafinense Devonian Trilobite Cyclurus kehreri Petrography: Slices from several stonesOtarion, 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,