Pycnodontidae is an extinct family of
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 ...
es, ranging 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 ...
period until the
Eocene
The Eocene ( ) Epoch is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene' ...
.
Genera
* ''
Acrotemnus''
Agassiz, 1843
* ''
Anomoeodus''
Forir, 1887
* ''
Athrodon
''Athrodon'' is an extinct genus of pycnodontid that lived in shallow seas in what is now England and France from the Late Jurassic until the genus extinction during the start of the late Cretaceous. The various species are very similar in spl ...
''
Sauvage, 1880
* ''
Callodus''
Thurmond, 1974
* ''
Coccodus
''Coccodus'' is an extinct genus of extinct pycnodontid fish that lived during the lower Cenomanian. The various species had a pair of massive, curved spines emanating from the lower sides of the head, and one curved spine on the top of its hea ...
''
* ''
Coelodus''
Haeckel
* ''
Gyrodus
''Gyrodus'' (from el, γύρος , 'curved' and el, ὀδούς 'tooth') is an extinct genus of pycnodontiform ray-finned fish that lived from the late Triassic ( Rhaetian) to the middle Cretaceous ( Cenomanian).
Distribution
Fossils of ...
''
Agassiz, 1843
* ''
Iemanja''
Wenz, 1989
* ''
Macromesodon''
Blake, 1905
* ''
Microdus''
* ''
Micropycnodon''
Hibbard and Graffham, 1945
* ''
Neoproscinetes''
De Figueiredo and Silva Santos, 1990
* ''
Nonaphalagodus''
Thurmond, 1974
* ''
Omphalodus''
von Meyer, 1847
* ''
Paleobalistum''
* ''Paramicrodon''
Thurmond, 1974
* ''
Polypsephis''
Hay, 1899
* ''
Proscinetes
''Proscinetes'' is an extinct genus of prehistoric ray-finned fish from the Jurassic.
See also
* Prehistoric fish
* List of prehistoric bony fish
A ''list'' is any set of items in a row. List or lists may also refer to:
People
* List ( ...
''
Gistl, 1848
* ''
Pycnodus''
Agassiz, 1835
* ''
Pycnomicrodon''
Hibbard and Graffham, 1941
* ''
Scalacurvichthys''
Cawley and Kriwet, 2017
* ''
Sphaerodus''
Agassiz, 1843
* ''
Stemmatodus
''Stemmatodus'' is an extinct genus of prehistoric ray-finned fish that lived in Europe during the Early Cretaceous approximately 129 to 125 million years ago.
See also
* List of prehistoric bony fish
* Prehistoric fish
The evolution of f ...
''
* ''
Tepexichthys''
Applegate, 1992
* ''
Thiollierepycnodus''
Ebert, 2020
* ''
Typodus''
Quenstedt, 1858
References
Pycnodontiformes
Triassic first appearances
Lutetian extinctions
Prehistoric ray-finned fish families
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