Ptycholepis
Encyclopedia
Ptycholepis is an extinct genus of prehistoric bony fish having the head and opercular bones ornamented with ridges of ganoin, minute teeth, and thick scales (which are much longer than deep and are grooved longitudinally on the outer side).
See also
- Prehistoric fishPrehistoric fishPrehistoric fish refers to early fish that are known only from fossil records. They are the earliest known vertebrates, and include the first and extinct fish that lived through the Cambrian to the Tertiary. The study of prehistoric fish is called paleoichthyology...
- List of prehistoric bony fish