03309 - Rare Unpublished 1.38 Inch Theropod Dinosaur Phalanx Toe Bone Rare Its orange colors come from

Its orange colors come from the limonite (iron oxide) that is the product of the oxidation of the original pyrite that mineralized these fossils

Without a doubt

but of the same size

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

Sometimes the local miners have to excavate long tunnels that follow the distribution of the fossiliferous layer

03309 - Rare Unpublished 1.38 Inch Theropod Dinosaur Phalanx Toe Bone Rare Its orange colors come fromThis piece has a very special position within our dinosaur bones collection. It is the phalanx of the toe of a theropod dinosaur. This piece is extremely rare and unique. It is worth of study, comparison with literature and publication. It is nicely preserved, not restored or glued. It is almost full, from its proximal part until the distal epiphysis. We have uploaded a picture with an anatomical reconstruction, indicating in orange the position of