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Atractosteus

Summary

Atractosteus is a genus of gars in the family Lepisosteidae, with three species. The genus first appeared in the Campanian in the Late Cretaceous.

Atractosteus
Temporal range:
Campanian–Present, 83.5–0 Ma [1]
Alligator gar
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Clade: Ginglymodi
Order: Lepisosteiformes
Family: Lepisosteidae
Tribe: Lepisosteini
Genus: Atractosteus
(Rafinesque, 1820)
Type species
Esox spatula
Species

See text

Synonyms[2][3]
  • Lepisosteus (Atractosteus) Rafinesque 1820
  • Litholepis Rafinesque 1818
Atractosteus africanus fossils

Systematics edit

Lepisosteidae

Species edit

Extant species edit

Image Scientific name Common name Distribution
  Atractosteus spatula Lacépède, 1803 Alligator gar Southern United States
  Atractosteus tristoechus Bloch & J. G. Schneider, 1801 Cuban gar Western Cuba and the Isla de la Juventud
  Atractosteus tropicus T. N. Gill, 1863 Tropical gar Southern Mexico to Costa Rica

Fossils edit

  • †Atractosteus africanus (Arambourg & Joleaud, 1943)[1]
  • †Atractosteus grandei (Brownstein & Lyson, 2022)[4]
  • †Atractosteus emmonsi Hay 1929
  • †Atractosteus lapidosus Hay 1919
  • †Atractosteus messelensis Grande 2010
  • †Atractosteus occidentalis (Leidy 1856) non Wiley 1976
  • †Atractosteus simplex (Leidy 1873)

Former fossil genera:

References edit

  1. ^ a b Cavin, Lionel; Martin, Michel; Valentin, Xavier (1996). "Occurrence of Atractosteus africanus (actinopterygii, lepisosteidae) in the early Campanien of Ventabren (Bouches-du-Rhône, France). Paleobiogeographical implications". Revue de Paléobiologie. 15 (1): 1–7.
  2. ^ Froese, R.; Pauly, D. (2017). "Lepisosteidae". FishBase version (02/2017). Retrieved 18 May 2017.
  3. ^ Van Der Laan, Richard; Eschmeyer, William N.; Fricke, Ronald (11 November 2014). "Family-group names of Recent fishes". Zootaxa. 3882 (1): 1–230. doi:10.11646/zootaxa.3882.1.1. PMID 25543675.
  4. ^ Brownstein, Chase Doran; Lyson, Tyler R. (2022). "Giant gar from directly above the Cretaceous–Palaeogene boundary suggests healthy freshwater ecosystems existed within thousands of years of the asteroid impact". Biology Letters. 18 (6): 20220118. doi:10.1098/rsbl.2022.0118. PMC 9198771. PMID 35702983.
  • Froese, Rainer and Pauly, Daniel, eds. (2011). Species of Atractosteus in FishBase. June 2011 version.