Atractosteus
Genus of fishes
Atractosteus Temporal range: ~Santonian–Present, 86.3–0 Ma[1] PreꞒ Ꞓ O S D C P T J K Pg N | |
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Alligator gar | |
Scientific 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 Lacépède, 1803 | |
Species | |
See text | |
Synonyms[2][3] | |
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![](http://upload.wikimedia.org/wikipedia/commons/thumb/5/56/Lepisosteus_atrox_%28fossil_fish%29_%28Green_River_Formation%2C_Lower_Eocene%3B_quarry_west_of_Kemmerer%2C_Wyoming%2C_USA%29_3_%2834158013541%29.jpg/417px-Lepisosteus_atrox_%28fossil_fish%29_%28Green_River_Formation%2C_Lower_Eocene%3B_quarry_west_of_Kemmerer%2C_Wyoming%2C_USA%29_3_%2834158013541%29.jpg)
Atractosteus is a genus of gars in the family Lepisosteidae, with three extant species. The genus first appeared during the Santonian stage of the Late Cretaceous.
Systematics
Species
Extant species
Image | Scientific name | Common name | Distribution |
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![]() | 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
- †Atractosteus africanus (Arambourg & Joleaud, 1943)[4]
- †Atractosteus atrox (Leidy, 1873)
- †Atractosteus grandei (Brownstein & Lyson, 2022)[5]
- †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:
- †Atractosteus cuneatus (Cope 1884) non (Cope 1878) (now in Cuneatus)
- †Atractosteus falipoui (Cavin & Brito 2001) (now in Oniichthys)
References
- ^ Szabó, M.; Gulyás, P.; Ősi, A. (2016). "Late Cretaceous (Santonian) Atractosteus (Actinopterygii, Lepisosteidae) remains from Hungary (Iharkút, Bakony Mountains)". Cretaceous Research: 239–252. doi:10.1016/j.cretres.2015.12.002.
- ^ Froese, R.; Pauly, D. (2017). "Lepisosteidae". FishBase version (02/2017). Retrieved 18 May 2017.
- ^ 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.
- ^ 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.
- ^ 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; Pauly, Daniel (eds.). "Species in genus Atractosteus". FishBase. June 2011 version.
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