This is a very nice example of one of the most sought-after trilobites from Oklahoma collected last century. This Ceratonurus is fairly large for the species at 45 mm or 1.8" long and has elegantly flowing spines with the "horns" prepared free standing. A real collection piece.

Ceratonurus sp.

Lower Devonian (419 - 410 mil y)

Haragan formation, Clarita, Oklahoma, USA

45 mm - 1.8"

Very good