''Dicellopyge'' is an extinct genus of freshwater

ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are so called because their fins are webs of skin supported by bony or hor ...

from the

Triassic The Triassic ( ) is a geologic period and system which spans 50.6 million years from the end of the Permian Period 251.902 million years ago ( Mya), to the beginning of the Jurassic Period 201.36 Mya. The Triassic is the first and shortest period ...

of South Africa. It is characterized by characteristics such as a short, blunt snout and a deeply cleft tail. Two species are known, ''D. macrodentata'' and ''D. lissocephalus'', which were contemporaries and differed in scale and tail morphology. It was initially classified in its own family, the Dicellopygidae, but has subsequently been referred to the

Palaeoniscidae Palaeoniscidae is an extinct family of ray-finned fishes (Actinopterygii) ascribed to the order Palaeonisciformes. The family includes the genus '' Palaeoniscum'' and potentially other Palaeozoic and Mesozoic early actinopterygian genera. The ...

as a close relative of ''

Acrolepis ''Acrolepis'' (Ancient Greek for "tip scale") is an extinct genus of prehistoric bony fish that lived from the Tournaisian stage of the Mississippian (early Carboniferous) to the late Permian epoch. Some species from the Early Triassic of Tas ...

'', ''

Cornuboniscus ''Cornuboniscus'' is an extinct genus of prehistoric bony fish that lived during the Tournaisian age of the Mississippian epoch ( Carboniferous) in what is now Cornwall, United Kingdom. Etymology The genus ''Cornubonisus'' was named after th ...

'', '' Belichthys'', and the Amblypteridae. It coexisted with fish such as ''

Lissodus ''Lissodus'' is an extinct genus of freshwater shark. It lived from the Early Carboniferous stage to the Albian age of the Cretaceous. It was about long and had flat teeth that it used for eating clams Clam is a common name for several ...

'', ''

Elonichthys ''Elonichthys'' is an extinct genus of prehistoric bony fish. The genus is represented by several species from Carboniferous and Permian of Europe, Greenland, South Africa, and North America. Species See also * Prehistoric fish The evo ...

'', ''

Ceratodus ''Ceratodus'' (from el, κέρας , 'horn' and el, ὀδούς 'tooth') was a wide-ranging genus of extinct lungfish. Fossil evidence dates back to the Early Triassic. A wide range of fossil species from different time periods have been found ...

'', '' Coelacanthus'', ''

Helichthys ''Helichthys'' is an extinct genus of prehistoric bony fish that lived during the Early Triassic epoch (geology), epoch in what is now South Africa. Although several species of ''Helichthys'' have been erected (''H. elegans'', ''H. stegopyge'', ...

'', '' Meidiichthys'', and '' Atopocephale''.

References

Prehistoric fish genera Triassic fish of Africa Anisian genera Fossil taxa described in 1931 {{Triassic-fish-stub