30341 - Rare 0.48 Inch Ajacicrepida ajax Cambrian Trilobite - China Dinosaur Fossils Under Study carbonate (4)

carbonate (4)

Salterolithus

Jahn 1895 (trilobite)

Its discovery was made in the most basal part of the stratigraphic levels corresponding to the red sandstones of the upper member of the Ifezouane Formation

30341 - Rare 0.48 Inch Ajacicrepida ajax Cambrian Trilobite - China Dinosaur Fossils Under Study carbonate (4)Ajacicrepida, Wengtang and Jell 1987 (trilobite) Trilobita Asaphida PaleoDB taxon number: 19837 Parent taxon: Asaphida according to J. J. Sepkoski 2002 Sister taxa: Aethodionide, Anomocaridae, Asaphina, Asaphoidea, Borogothus, Borthaspis, Boschchekulia, Brandysops, Bumastides, Callaspis, Caulaspis, Ceratolithus, Clavatellus, Cremastoglottos, Cyclopygoidea, Digrypos, Dikelocephalacea, Dikelocephalinidae, Dikelocephalopsis, Dipleuropyge, Doremataspis,