Polygyrodus is an extinct genus of prehistoric ray-finned fish that lived during the Late Cretaceous epoch.[1] The name is a combination of the Greek words poly (many), gyro (round), and odoy (tooth).[2]

See also

References

  1. ^ a b Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 364: 560. Retrieved 2009-02-27.
  2. ^ "Gyrodus - definition, etymology and usage, examples and related words". www.finedictionary.com. Retrieved 2020-05-13.


Allikas: Https://en.wikipedia.org/wiki/Polygyrodus
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