Litopterna


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Litopterna

[‚lid·əp′tər·nə]
(paleontology)
An order of hoofed, herbivorous mammals confined to the Cenozoic of South America; characterized by a skull without expansion of the temporal or squamosal sinuses, a postorbital bar, primitive dentition, and feet that were three-toed or reduced to a single digit.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
En base a esto, los mamiferos reconocidos permitieron discriminar 55 generos y 50 especies incluidas en 9 ordenes: Didelphimorphia, Xenarthra, Litopterna, Notoungulata, Perissodactyla, Artiodactyla, Proboscidea, Carnivora y Rodentia.
An approach to the biomechanics of the masticatory apparatus of early miocene (Santacrucian age) South American ungulates (Astrapotheria, Litopterna, and Notoungulata): moment arm estimation based on 3D landmarks.
Paleontologo de formacion, los primeros pasos como profesional los dio junto a su esposa (Lydia Hilda Delupi) trabajando en un grupo de mamiferos fosiles, los Litopterna, publicando una revision que hasta hoy es referencia para el grupo (Ameghiniana, 1971, 8:1-24).
Si bien los didolodontidos fueron postulados como ancestros estructurales de los Litopterna, los escasos trabajos previos solo consideraron taxones aislados a nivel generico.
El grupo de estudio incluyo a los Mioclaenidae Kollpaniinae, los Didolodontidae y a los Litopterna Protolipternidae.
That is the case of the Glyptodontidae, Megalonychidae, Mylodontidae and Megatheriidae within the xenarthrans; to which the "native ungulates" must be added, with high diversification of lineages during the Paleogene and part of the Neogene, and whose last representatives (Litopterna Macraucheniidae and Notoungulata Toxodontidae) took part in this large extinction.