Megalonyx


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Related to Megalonyx: Megalonyx Jeffersonii

Meg`a`lon´yx


n.1.(Paleon.) An extinct quaternary mammal, of great size, allied to the sloth.
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The great size of the bones of the Megatheroid animals, including the Megatherium, Megalonyx, Scelidotherium, and Mylodon, is truly wonderful.
Cuando corrigio el error, Georges Cuvier diplomaticamente denomino Megalonyx Jeffersoni a esta nueva especie de perezoso.
Interestingly, the supernumerary condition in sloths appears to be an artifact of the Family Megalonychidae, as one occurrence has been noted in the extinct genus Megalonyx, in which the additional tooth was also restricted to the maxillary dentition (McDonald, 1978; Miles and Grigson, 1990).
Sin embargo, si existen sutiles diferencias entre los primeros molares inferiores de Megalonyx y Pliometanastes; de acuerdo a Hirschfeld (1981), los 1M1 son sub-rectangulares angosto anteriormente y ancho posteriormente, en tanto los 3M3 no se diferencian de los terceros molares inferiores de Megalonyx curvidens.
The ground sloth Megalonyx (xenarthra: megalonychidae) from the Pleistocene (late Irvingtonian) Camelot local fauna, Dorchester County, South Carolina.
Jefferson thought he had found his carnivore in the remains of the 'great claw' found in 1797, until this was identified by Caspar Wistar as a giant sloth, now known as Megalonyx.
Marine mammal examples include bones from the genera Phoca and Odobenus, as well as various cetaceans; while terrestrial mammal examples include bones from the genera Mammut, Mammuthus, Rangifer, Tapirus, Cervalces (= Alces), Symbos, Bison, and Megalonyx (e.
Jefferson later obtained a copy of Garriga's book, and in 1804, Cuvier published a more complete account of both the Megalonyx and the Megatherium, crediting Jefferson with the discovery of the former.
Notable occurrences include some of the earliest discoveries of the Columbian mammoth (Mammuthus columbi) and American mastodon (Mammut americanum), one of the largest collections of the ground sloth Megalonyx jeffersonii, and the southernmost record of reindeer (Rangifer tarandus).
The bear-sized ground sloth Megalonyx, endemic to North America, was widespread during the Pleistocene, reaching as far north as Alaska, Yukon, and Northwest Territories.
The Quitaque local fauna included such large mammals as Megalonyx sp.
megalonyx y la parafilia de Geoxus respecto a Pearsonomys.