''Brookvalia'' is an extinct genus of prehistoric freshwater
ray-finned fish
Actinopterygii (; ), members of which are known as ray-finned fish or actinopterygians, is a class of bony fish that comprise over 50% of living vertebrate species. They are so called because of their lightly built fins made of webbings of sk ...
that lived during the
Middle Triassic
In the geologic timescale, the Middle Triassic is the second of three epoch (geology), epochs of the Triassic period (geology), period or the middle of three series (stratigraphy), series in which the Triassic system (stratigraphy), system is di ...
epoch (
Anisian
In the geologic timescale, the Anisian is the lower stage (stratigraphy), stage or earliest geologic age, age of the Middle Triassic series (stratigraphy), series or geologic epoch, epoch and lasted from million years ago until million years ag ...
stage).
It contains four species, all known from the
Hawkesbury Sandstone
Sydney sandstone, also known as the Hawkesbury sandstone, yellowblock, and yellow gold, is a sedimentary rock named after Sydney, and the Hawkesbury River north of Sydney, where this sandstone is particularly common.
It forms the bedrock f ...
near
Brookvale, New South Wales
Brookvale is a suburb of northern Sydney, in the state of New South Wales, Australia. Brookvale is 16 kilometres north-east of the Sydney central business district, in the local government area of Northern Beaches Council. It is part of the ...
, Australia.
* †''B. gracilis''
Wade, 1933 (=''B. parvisquamata''
Wade, 1933)
* †''B. latipennis''
(Wade, 1935) (=''Dictyopleurichthys latipennis''
Wade, 1935)
* †''B. propennis''
Wade, 1933
* †''B. spinosa''
(Wade, 1935) (=''Beaconia spinosa''
Wade, 1935)
It was a member of the
redfieldiiforms, a group of presumed basal
neopterygians that were widespread during the Triassic.
See also
*
Prehistoric fish
__NOTOC__
Prehistoric fish are 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 Quaternary. The study of prehistoric fish is ...
*
List of prehistoric bony fish
This list of prehistoric bony fish is an attempt to create a comprehensive listing of all Genus, genera from the fossil record that have ever been considered to be bony fish (class Osteichthyes), excluding purely vernacular terms. The list includ ...
References
Redfieldiiformes
Prehistoric ray-finned fish genera
Middle Triassic fish
Triassic bony fish
Triassic fish of Australia
Anisian genera
Fossil taxa described in 1933
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