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There are over 177 species of fish in the US state of Oklahoma, at least 7% of which are not native. [1] Species include: Alabama shad (Alosa alabamae) Alligator gar (Atractosteus spatula) American eel (Anguilla rostrata) American gizzard shad (Dorosoma cepedianum) American paddlefish (Polyodon spathula) Arkansas darter (Etheostoma cragini)
Oklahoma was a terrestrial environment for most of the ensuing Mesozoic era. [3] The Late Triassic Dockum Group of western Oklahoma preserved remains of archosaurs and temnospondyls, although its fossil record is restricted to a narrow region of the panhandle and is far sparser than the equivalent records in Texas, New Mexico, and Arizona. [98]
The location of the state of New Mexico. Paleontology in New Mexico refers to paleontological research occurring within or conducted by people from the U.S. state of New Mexico. The fossil record of New Mexico is exceptionally complete and spans almost the entire stratigraphic column. [ 1] More than 3,300 different kinds of fossil organisms ...
The ancient sea, which existed from the early Late Cretaceous (100 Ma) to the earliest Paleocene (66 Ma), connected the Gulf of Mexico to the Arctic Ocean. The two land masses it created were Laramidia to the west and Appalachia to the east. At its largest extent, it was 2,500 feet (760 m) deep, 600 miles (970 km) wide and over 2,000 miles ...
Robert Bruce Horsfall (1913). Life restoration of a herd of Mammuthus columbi, or Columbian mammoths. The extent of the fur depicted is hypothetical. Charles R. Knight (1909). Restoration of a herd of alarmed Miocene-Pleistocene peccaries of the genus Platygonus.
Gar. Gars are an ancient group of ray-finned fish in the family Lepisosteidae. They comprise seven living species of fish in two genera that inhabit fresh, brackish, and occasionally marine waters of eastern North America, Central America and Cuba in the Caribbean, [1][2] though extinct members of the family were more widespread. They are the ...
Three Rivers Petroglyph Site. There are over 21,000 petroglyphs at the Three Rivers Petroglyph Site at Three Rivers, New Mexico, [1] located midway between Tularosa and Carrizozo in Otero County on Highway 54. Many of the petroglyphs can be easily viewed from a trail open to the public which winds through the rocks for about one mile.
It was a low-lying plain divided by rivers. A thick coat of vegetation covered the region in plants like club mosses, conifers, cycads, ferns, ginkgoes, horsetails, and early flowers. [71] Tyrannosaurus rex. During the Late Cretaceous the Gulf of Mexico had expanded through North America until reaching Alaska. [70]