Results 71 to 80 of about 1,366 (173)

An Enigmatic Nothrotheriinae (Xenarthra, Tardigrada) from the Pleistocene of Argentina

open access: yesAmeghiniana, 2015
The aim of this contribution is to describe two femora (MACN Pv 14148 and MACN Pv 14149 ) recovered from the Pleistocene of Santa Fe Province Argentina, provided a taxonomic assignation for them, and to discuss some taxonomic and biogeographical aspects of these finds.
Brandoni, Diego, McDonald, H. Gregory
openaire   +2 more sources

Numerous independent gains of daily torpor and hibernation across endotherms, linked with adaptation to diverse environments

open access: yesFunctional Ecology, Volume 39, Issue 3, Page 824-839, March 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Many endotherms from diverse taxonomic groups can respond to environmental changes through torpor, that is, by greatly reducing their energy expenditure for up to 24 hours (daily torpor) or longer (hibernation).
Dimitrios‐Georgios Kontopoulos   +2 more
wiley   +1 more source

Computed Tomography Evaluation of Frozen or Glycerinated Bradypus variegatus Cadavers: A Comprehensive View with Emphasis on Anatomical Aspects

open access: yesAnimals
Bradypus variegatus has unique anatomical characteristics, and many of its vascular and digestive tract aspects have yet to be clearly understood. This lack of information makes clinical diagnoses and surgical procedures difficult.
Michel Santos e Cunha   +11 more
doaj   +1 more source

Sobre la presencia de un supuesto Haplodontheriinae (Mammalia, Toxodontidae) en el Pleistoceno tardío de la provincia de Corrientes (Argentina)

open access: yesRevista Mexicana de Biodiversidad, 2012
En el extremo sur de América del Sur, se han postulado varias áreas que podrían haber actuado como reservorio de taxones supérstites, especialmente en el lapso Mioceno-Pleistoceno tardío (“Araucanense”-Lujanense).  Así, en el Pleistoceno tardío (ca.
Angel Ramon Miño-Boilini
doaj   +1 more source

Turbinal bones are still one of the last frontiers of the tetrapod skull: hypotheses, challenges and perspectives

open access: yesBiological Reviews, Volume 99, Issue 6, Page 2304-2337, December 2024.
ABSTRACT Turbinals are bony or cartilaginous structures that are present in the nasal cavity of most tetrapods. They are involved in key functions such as olfaction, heat, and moisture conservation, as well as protection of the respiratory tract. Despite recent studies that challenged long‐standing hypotheses about their physiological and genomic ...
Quentin Martinez   +10 more
wiley   +1 more source

Background and common lesions in the female reproductive organs of giant anteaters (Myrmecophaga tridactyla)

open access: yesFrontiers in Veterinary Science
The giant anteater (Myrmecophaga tridactyla) is a vulnerable species in South America and is considered endangered or near extinction in Central America.
Fernanda Barthelson Carvalho de Moura   +11 more
doaj   +1 more source

Anatomy description of cervical region and hyoid apparatus in living giant anteaters Myrmecophaga tridactyla Linnaeus, 1758

open access: yesPesquisa Veterinária Brasileira
: The giant anteater has specific anatomical adaptations resulting from its ant and termite feeding habits. The unique arrangement of its hyoid apparatus is essential for the ingestion of food.
Naida C. Borges   +5 more
doaj   +1 more source

Complete mitochondrial genome sequence of Myrmecophaga tridactyla from Brazilian Savanna

open access: yesMitochondrial DNA. Part B. Resources, 2018
Myrmecophaga tridactyla, popularly known as giant anteater, is a member of Xenarthra magnorder which is under the threat of extinction. Herein, we describe the complete mitochondrial genome of M. tridactyla.
Ana Luiza Lemos Queiroz   +4 more
doaj   +1 more source

Los Tardigrada (Mammalia, Xenarthra) del Mioceno Tardío de Entre Ríos, Argentina

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2013
Los Tardigrada (Mammalia, Xenarthra) del Mioceno Tardío de Entre Ríos ...
Diego Brandoni
doaj  

Los Cingulata (Mammalia, Xenarthra) del “Conglomerado osífero” (Mioceno Tardío) de la Formación Ituzaingó de Entre Ríos, Argentina

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2013
Los Cingulata (Mammalia, Xenarthra) del “Conglomerado osífero” (Mioceno Tardío) de la Formación Ituzaingó de Entre Ríos ...
Gustavo J. Scillato
doaj  

Home - About - Disclaimer - Privacy