Ptycholepis
Ptycholepis | |
---|---|
Ptycholepis bollensis | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Chordata |
Subphylum: | Vertebrata |
Infraphylum: | Gnathostomata |
Superclass: | Osteichthyes |
Class: | Actinopterygii |
Family: | Ptycholepididae |
Genus: | Ptycholepis Agassiz, 1843 |
Species | |
P. avus |
Ptycholepis is an extinct genus of prehistoric ray-finned fish [1] having the head and opercular bones ornamented with ridges of ganoin, minute teeth, and thick scales (which are much longer than deep and are grooved longitudinally on the outer side).[2]
- Ptycholepis bollensis
- Ptycholepis bollensis
- Ptycholepis
See also
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Wikimedia Commons has media related to Ptycholepis. |
References
- ↑ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 364: 560. Retrieved 2009-02-27.
- ↑ "Definition of Ptycholepis". Century Dictionary. Wordnik. Retrieved 5 March 2011.
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