Results 31 to 40 of about 11,490 (292)

Los marsupiales del yacimiento del Eoceno Superior de Zambrana (Álava, Región Vasco-Cantábrica)

open access: yesEstudios Geologicos, 2006
En este trabajo se dan a conocer los fósiles de marsupiales del yacimiento del Eoceno Superior de Zambrana (Álava, Cuenca de Miranda-Treviño). Las dos hemimandíbulas descritas son atribuibles a la subfamilia Herpetotheriinae («Didelphidae») y se asignan ...
A. Badiola, M. A. Cuesta
doaj   +1 more source

A Revision of Philander (Marsupialia: Didelphidae), Part 1: P. quica, P. canus, and a New Species from Amazonia

open access: yesAmerican Museum Novitates, 2018
This is the first installment of a revision of the didelphid marsupial genus Philander, commonly known as gray four-eyed opossums. Although abundant and widespread in lowland tropical forests from southern Mexico to northern Argentina, species of ...
R. Voss, J. Díaz-Nieto, S. Jansa
semanticscholar   +1 more source

Revision de las especies del genero Hyperdidelphys Ameghino, 1904 (Mammalia, Marsupialia, Didelphidae). Su significacion filogenetica, estratigrafica y adaptativa en el neogeno del Cono Sur Sudamericano

open access: yesEstudios Geologicos, 1996
Se analizan y diagnostican nuevamente todas las especies de marsupiales fósiles asignable al género Hyperdidelphys Ameghino, 1904 (Didelphidae, Didelphinae, Didelphini): H. inexpectata (Ameghino, 1889), H. pawula (Rovereto, 1914), H.
F. J. Goin, U. F. J. Pardiñas
doaj   +1 more source

Inferring Kangaroo Phylogeny from Incongruent Nuclear and Mitochondrial Genes [PDF]

open access: yes, 2015
The marsupial genus Macropus includes three subgenera, the familiar large grazing kangaroos and wallaroos of M. (Macropus) and M. (Osphranter), as well as the smaller mixed grazing/browsing wallabies of M. (Notamacropus).
Bunce, Michael   +4 more
core   +1 more source

Neohilgertia venusti Gen. N. SP. N. (Nematoda: Oxyuridae)from Thylamys venustus cinderellus (Thomas) Reig, Kirsch & Marshall, 1985 (Marsupialia: Didelphidae) in Burruyacu, Tucuman, Argentina - Systematic position and possible evolution

open access: yesMemorias do Instituto Oswaldo Cruz, 1990
Neohilgertia gen. n. proposed for Oxyuridae nematodes from Thylamys venustus cinderellus (Marsupialia: Didelphidae) is described. The hypothesis about the possibility of a secondary parasitism for marsupials and the origin of the genus in the African ...
Graciela T. Navone   +2 more
doaj   +1 more source

Marsupialia , Illiger 1811

open access: yes, 2022
Marsupialia, Illiger 1811 CONTENTS: Dasyuromorphia, Didelphimorphia, Diprotodontia, Microbiotheria, Notoryctemorphia, Paucituberculata, Peramelemorphia, and †Yalkaparidontia. STEM AGE: 59.7 Mya (95% HPD: 55.6–65.8 Mya). CROWN AGE: 56.2 Mya (95% HPD: 54.7–58.6 Mya). UNAMBIGUOUS CRANIODENTAL SYNAPOMORPHIES: Lower molars without a posterior cingulid (char.
Beck, Robin M. D.   +2 more
openaire   +1 more source

Challenges of measuring body temperatures of free-ranging birds and mammals [PDF]

open access: yes, 2015
The thermal physiology of most birds and mammals is characterised by considerable spatial and temporal variation in body temperature. Body temperature is, therefore, a key parameter in physiological, behavioural and ecological research.
Gallon, S., McCafferty, D.J., Nord, A.
core   +2 more sources

Metazoarios parásitos de Tlacuatzin canescens y Marmosa mexicana (Mammalia: Didelphimorphia) de México

open access: yesRevista Mexicana de Biodiversidad, 2012
Como parte de un estudio sobre los metazoarios parásitos de mamíferos de México se recolectaron 4 ejemplares de ratones tlacuache: 2 de Tlacuatzin canescens (Allen, 1893) procedentes de Oaxaca y 2 de Marmosa mexicana Merriam, 1897 de Veracruz.
Carmen Guzmán-Cornejo   +4 more
doaj   +1 more source

Phylogeny and evolution of body mass in didelphid marsupials (Marsupialia: Didelphimorphia: Didelphidae)

open access: yesOrganisms Diversity & Evolution, 2016
Most extant New World marsupials belong in the Didelphidae, which comprises ca. 110 currently recognized species of opossums. Didelphids are small mammals with their mean body mass, at species level, ranging from ca. 7 g to 2.2 kg.
L. I. Amador, N. Giannini
semanticscholar   +1 more source

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