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Glyptodon (lit. ' grooved or carved tooth '; from Ancient Greek γλυπτός (gluptós) 'sculptured' and ὀδοντ-, ὀδούς (odont-, odoús) 'tooth') [1] is a genus of glyptodont, an extinct group of large, herbivorous armadillos, that lived from the Pliocene, around 3.2 million years ago, [2] to the early Holocene, around 11,000 years ago, in South America.
Glyptodonts first evolved during the Eocene in South America, which remained their center of species diversity.For example, an Early Miocene glyptodont with many primitive features (comparatively to other species), Parapropalaehoplophorus septentrionalis, was discovered at a now-elevated site in Chile and described in 2007. [5]
Hoplophorus is a member of the glyptodontinae subfamily, a group of extinct, heavily armored armadillos that existed in the Americas during the Cenozoic. Hoplophorus was one of the last glyptodonts to become extinct, with the youngest fossils dating to the early Holocene and few are older than the Pleistocene.
Glyptotherium (from Greek for 'grooved or carved beast') is a genus of glyptodont (an extinct group of large, herbivorous armadillos) in the family Chlamyphoridae (a family of South American armadillos) that lived from the Early Pliocene, about 3.6 million years ago, to the Late Pleistocene, around 15,000 years ago.
Doedicurus (Ancient Greek δοῖδυξ "pestle" and oυρά "tail") is an extinct genus of glyptodont from South America containing one species, D. clavicaudatus.Glyptodonts are a member of the family Chlamyphoridae, which also includes some modern armadillo species, and they are classified in the superorder Xenarthra alongside sloths and anteaters.
This animal, like all glyptodonts, had a dorsal armor protecting a large part of the body, consisting of well-fused polygonal osteoderms. The osteoderms were quite similar to those of Palaeohoplophorus , with a medium-sized, depressed central figure, and with wrinkled and irregular peripheral areas.
Like all glyptodonts, this genus was characterized by its dorsal armor composed of numerous osteoderms fused together. Eucinepeltus was larger than other basal glyptodonts such as Propalaehoplophorus, with a skull reaching 20 centimeters in length, and wider than most of its relative species. The cephalic shield was composed of 11-15 large ...
Main cast of 1979's Alien (left to right: Ian Holm, Harry Dean Stanton, Sigourney Weaver, Yaphet Kotto, Tom Skerritt, Veronica Cartwright and John Hurt) Alien, a science-fiction action horror franchise, tells the story of humanity's ongoing encounters with Aliens (xenomorphs): a hostile, endoparasitoid, extraterrestrial species.