Anatomy and Location The smallest bone of the skull, the vomer is thin and flat. Viewed from the side, it is shaped like a trapezoid. Sitting perpendicular to the front of the face within the ...

But then we don’t know anything actually about what’s inside there.” The study authors identified 10 cartilage skull pieces in the specimen — six in the epoxy and four in the rocky matrix.

This image shows the skeleton of a skate. Most of the skeleton is made of cartilage, which is labeled in blue (1). However, parts of the skeleton are calcified, like bone, including the skull (2), ...

The theory was that sharks kept the cartilage structure even though the majority of fish evolved with bony skeletons. Minjinia is a shared ancestor of sharks and the bony skeleton fish.

A) Skull B) Skull with nasal cartilage C) Skull with cartilage and muscles D) Full head restoration. From Bargo et al, 2006. The results were fairly clear cut.

Restoring the head of Glossotherium robustum. A) Skull B) Skull with nasal cartilage C) Skull with cartilage and muscles D) Full head restoration. From Bargo et al, 2006. The results were fairly ...