30142 - Top Rare 0.45 Inch Psilocephalina Cambrian Trilobite - China Hadrosaurus So Methodist Univ

So Methodist Univ

Hydrolaenus

It is a quite dominant species in the phosphate quarries in this sector of Morocco

Flexicalymene (Reacalymene)

Otarion diffractum

30142 - Top Rare 0.45 Inch Psilocephalina Cambrian Trilobite - China Hadrosaurus So Methodist UnivPsilocephalina, Hsu 1948 (trilobite) Trilobita Asaphida Asaphidae PaleoDB taxon number: 20158 Parent taxon: Asaphidae according to P. A. Jell and J. M. Adrain 2002 See also Sepkoski 2002 Sister taxa: Anataphrus, Araiocaris, Asaphellus, Asaphinae, Atopasaphus, Aulacoparia, Australopyge, Basilicus, Bellefontia, Birmanites, Bohemopyge, Brachyaspis, Branisaspis, Burminresia, Ectenaspis, Emanuelaspis, Eoasaphus, Eoisotelus, Fuyunia, Gerasaphes,