30733 - Partial Prepared 1.33 Inch Spiny Koneprusia dahmani Lower Devonian Trilobite Heterodiadema libycum United States (1: Alaska)

United States (1: Alaska)

Copper is one of the few metallic elements to occur in native form

more present in sidi-daoui maestrichian level 3

Rare partial dentary bone of this incredible species of giant predator fish that reigned that waters of the Cretaceous fluvial systems

And its morphology resembles the Harpides genus of the lower Ordovician of other Formations such as Fezouata

30733 - Partial Prepared 1.33 Inch Spiny Koneprusia dahmani Lower Devonian Trilobite Heterodiadema libycum United States (1: Alaska)Koneprusia sp, Prantl and Pribyl 1949 (trilobite) Trilobita Lichida Odontopleuridae PaleoDB taxon number: 358926 Full reference: B. D. Chatterton, R. A. Fortey, K. D. Brett, S. L. Gibb, and R. C. McKellar. 2006. Trilobites from the upper Lower to Middle Devonian Timrhanrhart Formation, Jbel Gara el Zguilma, southern Morocco. Palaeontolographica Canadiana (25)1 177 Belongs to Koneprusia according to B. D. Chatterton et al. 2006 Sister taxa: Koneprusia