30725 - Beautiful 1.36 Inch Cyphaspis (Otarion) cf. boutscharafinense Devonian Trilobite Cephalopods The sample is mainly composed
Yard notes & kiln story
Description
The sample is mainly composed of euhedral to subhedral clinopyroxene and olivine phenocrysts in a fine-grained groundmass
United States (7: Alaska
It does not have any restoration or reparation
Cerauropeltis
open shallow subtidal
30725 - Beautiful 1.36 Inch Cyphaspis (Otarion) cf. boutscharafinense Devonian Trilobite Cephalopods The sample is mainly composedOtarion, 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,