''Coccoderma'' is a
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 n ...
of
prehistoric
Prehistory, also known as pre-literary history, is the period of human history between the use of the first stone tools by hominins 3.3 million years ago and the beginning of recorded history with the invention of writing systems. The use o ...
lobe-finned fish which lived during the Late
Jurassic
The Jurassic ( ) is a Geological period, geologic period and System (stratigraphy), stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately Mya. The J ...
period, Kimmeridgian Stage.
Fossil
A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...
s have been found in the
USA. It was small in size, about 27.5 cm. They had very long and sharp teeth.
Species
* ''Coccoderma bavaricum'' REIS, 1888
* ''Coccoderma gigas'' REIS, 1888
* ''Coccoderma nudum'' REIS, 1888
References
The Paleobiology Database
Prehistoric lobe-finned fish genera
Jurassic bony fish
Fossils of the United States
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