Atractosteus
Temporal range:
CampanianPresent, [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)
Species

See text

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

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

Systematics

Lepisosteidae
Atractosteus

A. tropicus

A. tristoechus

A. spatula

Lepisosteus

L. oculatus

L. platyrhincus

L. osseus

L. platostomus

Species

Extant species

ImageScientific nameCommon nameDistribution
Atractosteus spatula Lacépède, 1803Alligator garSouthern United States
Atractosteus tristoechus Bloch & J. G. Schneider, 1801Cuban garWestern Cuba and the Isla de la Juventud
Atractosteus tropicus T. N. Gill, 1863Tropical garSouthern Mexico to Costa Rica

Fossils

  • 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

  1. 1 2 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.
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