30853 - Top Beautiful 1.50 Inch Cyphaspis (Otarion) cf. boutscharafinense Devonian Trilobite Acadoparadoxides forming the Tetis Sea

forming the Tetis Sea

b) on the basis of isolated head shields from the Sandbian of the Letná Formation in the Czech Republic

Rare rib bone that seems to correspond by its morphology with some type of crocodile

Sister taxa: Bumastoides

30853 - Top Beautiful 1.50 Inch Cyphaspis (Otarion) cf. boutscharafinense Devonian Trilobite Acadoparadoxides forming the Tetis SeaOtarion, 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,