''Weejasperaspis'' is an extinct

acanthothoraci Acanthothoraci (''spine chests'') is an extinct group of chimaera-like placoderms closely related to the rhenanid placoderms. Superficially, the acanthoracids resembled scaly chimaeras and (relatively) heavily armored ptyctodonts. They were ...

placoderm Placoderms (from Ancient Greek πλάξ 'plax'', ''plakos'''Plate (animal anatomy), plate' and δέρμα 'derma'''skin') are vertebrate animals of the class (biology), class Placodermi, an extinct group of prehistoric fish known from Pal ...

found in the Taemas-Weejasper Reef, of the Early Devonian-aged Buchan Group in eastern Victoria, Australia and the type species is ''W. gavini''.White, E. I. (1978). The larger arthrodiran fishes from the area of Burrinjuck Dam, N. S. W. ''Transactions of the Zoological Society of London'' 34: 149–262. ''Weejasperaspis'' differs from other acanthothoracids in that the median dorsal crest is short, and triangular-shaped. Its sister genus, '' Murrindalaspis'', differs from it by having large, blade-like median dorsal crests that are recurved. Like ''Murrindalaspis'', it is only known from a dorsal plate and ossified eyeballs.

References

Placoderm genera Acanthothoracids Placoderms of Australia Fossil taxa described in 1978 {{placoderm-stub