00446 - Impressive Unusual 12.2 Inch Onchopristis Rostral Bone With Barbs Dyrosaurus phosphaticus Impressive specimen with the natural

Impressive specimen with the natural association of 2 brittlestars of the genus Ophiura

You can also see a partially disarticulated calyx with its corresponding arms

Not for sale

Permineralization is a process of fossilization in which mineral deposits form internal casts of organisms

It comes from the Paleocene materials of the Ouled Abdoun Basin

00446 - Impressive Unusual 12.2 Inch Onchopristis Rostral Bone With Barbs Dyrosaurus phosphaticus Impressive specimen with the naturalThis is an impressive and unusual piece. It is the rostral bone of the giant sawfish Onchopristis numidus. The rostral barbs of this enormous sawfish are relatively common in the Cretaceous quarries in the South of Morocco. However, the preservation of the rostrum is something absolutely exceptional. This rostral bone does not have restorations or reparations. Additionally, we have 12 rostral barbs of the same species which we sell with it. They do