''Cavanosteus'' is an
extinct genus of
homostiid arthrodire
Arthrodira (Greek for "jointed neck") is an Order (biology), order of extinct armored, jawed fishes of the class Placodermi that flourished in the Devonian period before their sudden extinction, surviving for about 50 million years and penetratin ...
from the
Emsian
The Emsian is one of three faunal stages in the Early Devonian Epoch. It lasted from 410.62 ±1.95 million years ago to 393.47 ±0.99 million years ago. It was preceded by the Pragian Stage and followed by the Eifelian Stage. It is named after ...
of
Victoria
Victoria most commonly refers to:
* Queen Victoria (1819–1901), Queen of the United Kingdom and Empress of India
* Victoria (state), a state of Australia
* Victoria, British Columbia, Canada, a provincial capital
* Victoria, Seychelles, the capi ...
, and
New South Wales, Australia
New South Wales (commonly abbreviated as NSW) is a state on the east coast of :Australia. It borders Queensland to the north, Victoria to the south, and South Australia to the west. Its coast borders the Coral and Tasman Seas to the east. T ...
.
Description
''Cavanosteus'' is known from central plates of the skull, infragnathals with little or no dentition, similar in form to ''
Homosteus'', and a bone from the dermal trunk shield.
References
{{Taxonbar, from=Q116198257
Homostiidae
Arthrodire genera
Fossil taxa described in 1876
Taxa named by Frederick McCoy
Placoderms of Australia