Gyrodus

Gyrodus
Temporal range:
Life restoration of Gyrodus hexagonus
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: †Pycnodontiformes
Family: †Pycnodontidae
Genus: †
Agassiz, 1843
Species
  • G. circularisAgassiz, 1833
  • G. cordillera Martill et al., 1998
  • G. cretaceus Agassiz, 1844
  • G. hexagonusde Blainville, 1818
  • G. huiliches Gouiric-Cavalli et al., 2019
  • G. milium Henry, 1876

Gyrodus (from Greek: γύρος gyros, 'curved' and Greek: ὀδούς odoús 'tooth')[1] is an extinct genus of pycnodontiform ray-finned fish that lived from the middle Jurassic (Bajocian) to the middle Cretaceous (Barremian).[2]

References

  1. ^ Roberts, George (1839). An etymological and explanatory dictionary of the terms and language of geology. London: Longman, Orme, Brown, Green, & Longmans. p. 74. Retrieved 30 December 2021.
  2. ^ Kriwet, Jürgen; Schmitz, Lars (2005). "New insight into the distribution and palaeobiology of the pycnodont fish Gyrodus". Acta Palaeontologica Polonica. 50 (1): 49–56.

Further reading

  • Fossils (Smithsonian Handbooks) by David Ward
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