''Atractosteus'' is a genus of
gar
Gars are members of the family Lepisosteidae, which are the only surviving members of the Ginglymodi, an ancient holosteian group of ray-finned fish, which first appeared during the Triassic, over 240 million years ago. Gars comprise seven livin ...
s in the family
Lepisosteidae
Gars are members of the family Lepisosteidae, which are the only surviving members of the Ginglymodi, an ancient holosteian group of ray-finned fish, which first appeared during the Triassic, over 240 million years ago. Gars comprise seven livin ...
, with three species. The genus first appeared in the
Campanian
The Campanian is the fifth of six ages of the Late Cretaceous Epoch on the geologic timescale of the International Commission on Stratigraphy (ICS). In chronostratigraphy, it is the fifth of six stages in the Upper Cretaceous Series. Campani ...
in the
Late Cretaceous
The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous Period is divided in the geologic time scale. Rock strata from this epoch form the Upper Cretaceous Series. The Cretaceous is named after ''creta'', ...
.
Systematics
Species
Extant species
Fossils
* †''
Atractosteus africanus''
(Arambourg & Joleaud, 1943)
* †''
Atractosteus grandei''
(Brownstein & Lyson, 2022)
* †''
Atractosteus cuneatus''
(Cope 1884) non (Cope 1878)
* †''
Atractosteus emmonsi''
Hay 1929
* †''
Atractosteus falipoui''
(Cavin & Brito 2001)
* †''
Atractosteus lapidosus''
Hay 1919
* †''
Atractosteus messelensis''
Grande 2010
* †''
Atractosteus occidentalis''
(Leidy 1856) non Wiley 1976
* †''
Atractosteus simplex''
(Leidy 1873)
References
*
Lepisosteidae
Taxa named by Constantine Samuel Rafinesque
{{Lepisosteiformes-stub