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Ptycholepis

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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
P. barboi
P. bollensis
P. curtus
P. gracilis
P. magnus
P. minor
P. monilifer
P. priscus
P. schaefferi

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 bollensis
    Ptycholepis bollensis
  • Ptycholepis
    Ptycholepis

See also

Wikimedia Commons has media related to Ptycholepis.

References

  1. ^ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 364: 560. Retrieved 2009-02-27.
  2. ^ "Definition of Ptycholepis". Century Dictionary. Wordnik. Retrieved 5 March 2011.
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