Prionolepis

Prionolepis is a genus of prehistoric ray-finned fish belonging to the order Alepisauriformes.

Prionolepis
Temporal range: Cenomanian - Turonian
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Fossil of Prionolepis cataphractus from Lebanon
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Subphylum:
Vertebrata
Infraphylum:
Gnathostomata
Superclass:
Osteichthyes
Class:
Actinopterygii
Order:
Alepisauriformes

Regan, 1911
Genus:
Prionolepis

Fossil record

These ray-finned fish lived in the Upper Cretaceous (Cenomanian - Turonian, about 95-90 million years ago). Fossils have been found in Lebanon and England.

Description

Prionolepis could reach a length of about 25 centimetres (9.8 in). Body was long and tapered, but rather strong and robust, with a series of high serrate scales (hence the name Prionolepis, from the Greek "saw scale"). His muzzle was pointed and very elongated, and jaw was slightly prognathous.

Species

Species within this genus include:[1]

  • †Prionolepis angustus Egerton 1850
  • †Prionolepis cataphractus (Pictet and Humbert,1866) [2]
  • †Prionolepis laniatus Davis 1887

Bibliography
  • Dixon, F., 1850, The Geology and Fossils of the Tertiary and Cretaceous Formations of Sussex, p. 360-377.
  • Gallo, V., H. M. A. d. Silva, & F. J. d. Figueiredo. 2005. The interrelationships of †Dercetidae (Neoteleostei, Aulopifromes). pp. 101–104. IN: Poyato-Ariza, F. J. (ed.) Extended Abstracts. Fourth International Meeting on Mesozoic Fishes - Systematics, Homology, and Nomenclature. Ediciones Universidad Autónoma de Madrid, Miraflores de la Sierra, Madrid, Spain August 8–14, 2005, 310 pp.
  • Goody, P. C. 1969. The relationships of certain Upper Cretaceous teleosts with special reference to the myctophoids. 7:1-255. Age: Cretaceous-Cretaceous Late; Cretaceous-Cretaceous Late-Senonian; Cretaceous-Cretaceous Late-Turonian; Cretaceous-Cretaceous Late-Cenomanian middle;.
  • Hay, O. P. 1903. On a collection of Upper Cretaceous fishes from Mount Lebanon, Syria, with descriptions of four new genera and nineteen new species. American Museum of Natural History, Bulletin 19:395-452.
  • Hilda M. A. Silva; Valéria Gallo: Taxonomic review and phylogenetic analysis of Enchodontoidei (Teleostei: Aulopiformes). Anais da Academia Brasileira de Ciências ISSN 0001-3765 doi:10.1590/S0001-37652011000200010
  • Joseph S. Nelson: Fishes of the World. John Wiley & Sons, 2006, ISBN 0-471-25031-7
  • Karl Albert Frickhinger: Fossilien Atlas Fische, Mergus-Verlag, Melle, 1999, ISBN 3-88244-018-X
  • Larson, P. L. 1988. Famous fossil fish faunas. Mid-America Paleontology Society Digest 11:1-10.
  • Peter L. Forey, Lu Yi, Colin Patterson and Cliff E. Davies, 2003. Fossil fishes from the Cenomanian (Upper Cretaceous) of Namoura, Lebanon. Journal of Systematic Palaeontology (2003), 1:4:227-330 Cambridge University Press The Natural History Museum
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References
  1. Paleobiology Database
  2. A.J. Boucot Evolutionary Paleobiology of Behavior and Coevolution


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