''Euthynotus'' is an
extinct genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...
of prehistoric
bony fish that lived during the early
Toarcian
The Toarcian is, in the ICS' geologic timescale, an age and stage in the Early or Lower Jurassic. It spans the time between 182.7 Ma (million years ago) and 174.1 Ma. It follows the Pliensbachian and is followed by the Aalenian.
The Toarcian ...
stage of the
Early Jurassic
The Early Jurassic Epoch (geology), Epoch (in chronostratigraphy corresponding to the Lower Jurassic series (stratigraphy), Series) is the earliest of three epochs of the Jurassic Period. The Early Jurassic starts immediately after the Triassic-J ...
epoch.
It is generally considered the basalmost
pachycormiform.
Species
''Euthynotus'' has two species classified within it:
* ''
Euthynotus incognitus
''Euthynotus'' is an extinct genus of prehistoric bony fish that lived during the early Toarcian stage of the Early Jurassic epoch. It is generally considered the basalmost pachycormiform.
Species
''Euthynotus'' has two species classified withi ...
''
Blainville, 1818
* ''
Euthynotus intermedius
''Euthynotus'' is an extinct genus of prehistoric bony fish that lived during the early Toarcian stage of the Early Jurassic epoch. It is generally considered the basalmost Pachycormiformes, pachycormiform.
Species
''Euthynotus'' has two species ...
''
Agassiz, 1839
See also
*
Prehistoric fish
The evolution of fish began about 530 million years ago during the Cambrian explosion. It was during this time that the early chordates developed the skull and the vertebral column, leading to the first craniates and vertebrates. The first fis ...
*
List of prehistoric bony fish
References
Early Jurassic fish
Pachycormiformes
Jurassic fish of Europe
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