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Leptosuchus, the Glossary

Leptosuchus is an extinct genus of leptosuchomorph phytosaur with a complex taxonomical history.^[1]

Arizona

Arizona (Hoozdo Hahoodzo; Alĭ ṣonak) is a landlocked state in the Southwestern region of the United States.

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Blue Mesa Member

The Blue Mesa Member is a member of the Chinle Formation. Leptosuchus and Blue Mesa Member are Triassic Arizona.

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Carnian

The Carnian (less commonly, Karnian) is the lowermost stage of the Upper Triassic Series (or earliest age of the Late Triassic Epoch).

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The Chinle Formation is an Upper Triassic continental geological formation of fluvial, lacustrine, and palustrine to eolian deposits spread across the U.S. states of Nevada, Utah, northern Arizona, western New Mexico, and western Colorado. Leptosuchus and Chinle Formation are Triassic Arizona.

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Dockum Group

The Dockum is a Late Triassic (approximately late Carnian through Rhaetian, or 223–200 Ma) geologic group found primarily on the Llano Estacado of western Texas and eastern New Mexico with minor exposures in southwestern Kansas, eastern Colorado, and Oklahoma panhandle.

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Ermine Cowles Case

Ermine Cowles Case (1871 – 1953), invariably known as E.C. Case, was a prominent American paleontologist in the second generation that succeeded Othniel Charles Marsh and Edward Drinker Cope.

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Extinction

Extinction is the termination of a taxon by the death of its last member.

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Fossil

A fossil (from Classical Latin) is any preserved remains, impression, or trace of any once-living thing from a past geological age.

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Genus

Genus (genera) is a taxonomic rank above species and below family as used in the biological classification of living and fossil organisms as well as viruses.

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Late Triassic

The Late Triassic is the third and final epoch of the Triassic Period in the geologic time scale, spanning the time between Ma and Ma (million years ago).

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Leptosuchomorpha

Leptosuchomorpha is a clade of phytosaurs. Leptosuchus and Leptosuchomorpha are late Triassic reptiles of North America and phytosaurs.

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Machaeroprosopus

Machaeroprosopus (from μαχαίρα, 'large knife' and πρόσωπος, 'bordering on') is an extinct genus of mystriosuchin leptosuchomorph phytosaur from the Late Triassic of the southwestern United States. Leptosuchus and Machaeroprosopus are late Triassic reptiles of North America, paleontology in Arizona, paleontology in New Mexico, paleontology in Texas, phytosaurs, Prehistoric reptile genera, Triassic Arizona, Triassic geology of New Mexico and Triassic geology of Texas.

See Leptosuchus and Machaeroprosopus

New Mexico

New Mexico (Nuevo MéxicoIn Peninsular Spanish, a spelling variant, Méjico, is also used alongside México. According to the Diccionario panhispánico de dudas by Royal Spanish Academy and Association of Academies of the Spanish Language, the spelling version with J is correct; however, the spelling with X is recommended, as it is the one that is used in Mexican Spanish.; Yootó Hahoodzo) is a state in the Southwestern region of the United States.

See Leptosuchus and New Mexico

Nomen nudum

In taxonomy, a nomen nudum ('naked name'; plural nomina nuda) is a designation which looks exactly like a scientific name of an organism, and may have originally been intended to be one, but it has not been published with an adequate description.

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Nostril

A nostril (or naris,: nares) is either of the two orifices of the nose.

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Paleobiology Database

The Paleobiology Database is an online resource for information on the distribution and classification of fossil animals, plants, and microorganisms.

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Petrified Forest National Park

Petrified Forest National Park is an American national park in Navajo and Apache counties in northeastern Arizona. Leptosuchus and Petrified Forest National Park are paleontology in Arizona.

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Phytosaur

Phytosaurs (Φυτόσαυροι in greek, meaning 'plant lizard') are an extinct group of large, mostly semiaquatic Late Triassic archosauriform reptiles. Leptosuchus and Phytosaur are phytosaurs.

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Phytosaurus

Phytosaurus (meaning "plant lizard") is a dubious genus of extinct parasuchid phytosaur found in an outcrop of the Keuper (likely the Exter Formation) in Germany. Leptosuchus and Phytosaurus are phytosaurs and Prehistoric reptile genera.

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Rutiodon

Rutiodon ("Wrinkle tooth") is an extinct genus of mystriosuchine phytosaurs from the Late Triassic of the eastern United States. Leptosuchus and Rutiodon are late Triassic reptiles of North America, phytosaurs and Prehistoric reptile genera.

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Skull

The skull is a bone protective cavity for the brain.

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Smilosuchus

Smilosuchus (meaning "chisel crocodile") is an extinct genus of leptosuchomorph parasuchid from the Late Triassic of North America. Leptosuchus and Smilosuchus are late Triassic reptiles of North America, phytosaurs and Prehistoric reptile genera.

See Leptosuchus and Smilosuchus