In Depth
Named for the star shaped denticles that covered the body, Astraspis was an Ordovician era jawless fish similar to Arandaspis and Sacabambaspis. Astraspis also seems to have had a lateral line, a series of sensory organs that run down length of the sides of the body, as in modern fish.
Further Reading
- Astraspis: The anatomy and histology of an Ordovician fish, I. J. Sansom, M. P. Smith & P. Turner - 1997.