Results 81 to 90 of about 5,474 (205)

Locomotory Adaptations in 3D Humerus Geometry of Xenarthra: Testing for Convergence

Frontiers in Ecology and Evolution, 2020
Three-dimensional (3D) models of fossil bones are increasingly available, thus opening a novel frontier in the study of organismal size and shape evolution.
Carmela Serio, Pasquale Raia, Carlo Meloro   +2 more
doaj   +1 more source

The Megatheriinae (Xenarthra, Tardigrada) from the Tertiary of Entre Ríos, Argentina: taxonomic and systematic aspects [PDF]

, 2007
La subfamilia Megatheriinae ha sido registrada desde el Colloncurense (Mioceno medio) hasta el Lujanense (Pleistoceno tardío-Holoceno temprano). Aquí se presenta un resumen del estado del conocimiento de los megaterinos de la Formación Ituzaingó de la ...
Brandoni, Diego, Scillato, Gustavo Juan
core   +1 more source

Morphological disparity of mammalian limb bones throughout the Cenozoic: the role of biotic and abiotic factors

Palaeontology, Volume 67, Issue 4, July/August 2024.
Abstract Mammals exhibit ecology‐related diversity in long bone morphology, revealing an ample spectrum of adaptations both within and between clades. Their occupation of unique ecological niches in postcranial morphology is thought to have occurred at different chronological phases in relation to abiotic factors such as climate and biotic interactions
Carmela Serio, Richard P. Brown, Marcus Clauss, Carlo Meloro   +3 more
wiley   +1 more source

First record of Mylodontinae (Tardigrada, Mylodontidae) from the Huayquerian (Late Miocene) of Buenos Aires province, Argentina [PDF]

, 2012
Los Mylodontinae (Xenarthra, Mylodontidae) están bien representados en el Mioceno tardío (Chasiquense-Huayqueriense) y Plioceno (Montehermosense-Chapadmalalense) de Sudamérica (con más de una docena de géneros reconocidos).
Brandoni, Diego, Oliva, Cristian
core  

slc26a12—A novel member of the slc26 family, is located in tandem with slc26a2 in coelacanths, amphibians, reptiles, and birds

Physiological Reports, Volume 12, Issue 11, June 2024.
Abstract Solute carrier family 26 (Slc26) is a family of anion exchangers with 11 members in mammals (named Slc26a1‐a11). Here, we identified a novel member of the slc26 family, slc26a12, located in tandem with slc26a2 in the genomes of several vertebrate lineages.
Ayumi Nagashima, Kota Torii, Chihiro Ota, Akira Kato   +3 more
wiley   +1 more source

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

Revista 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

Phylogenetic analysis of 16S mitochondrial DNA data in sloths and anteaters [PDF]

, 2003
We sequenced part of the 16S rRNA mitochondrial gene in 17 extant taxa of Pilosa (sloths and anteaters) and used these sequences along with GenBank sequences of both extant and extinct sloths to perform phylogenetic analysis based on parsimony, maximum ...
BARROS, Maria Claudene, SAMPAIO, Maria Iracilda da Cunha, SCHNEIDER, Horacio   +2 more
core   +1 more source

The virtual brain endocast of Incamys bolivianus: insight from the neurosensory system into the adaptive radiation of South American rodents

Papers in Palaeontology, Volume 10, Issue 3, May/June 2024.
Abstract Caviomorph rodents are endemic to South America and are one of the most adaptively diverse radiations of rodents today. Although their origin and diversification have been intensively studied, questions still remain about many of the details of where, when and how the group radiated.
Ornella C. Bertrand, Madlen M. Lang, José D. Ferreira, Leonardo Kerber, Zoi Kynigopoulou, Mary T. Silcox   +5 more
wiley   +1 more source

Mamíferos continentales del Mioceno tardío a la actualidad en la Argentina: cincuenta años de estudios [PDF]

, 2007
Ameghiniana was created 50 years ago. During this lapse, the late Cenozoic paleomastozoology developed exponentially in Argentina. Many of the papers dealed with systematics.
Bargo, María Susana, Bond, Mariano, Candela, Adriana M., Carlini, Alfredo Armando, Cione, Alberto Luis, Deschamps, Cecilia Marcela, Dozo, María Teresa, Esteban, Graciela, Goin, Francisco Javier, Montalvo, Claudia, Nasif, Norma L., Noriega, Jorge I., Ortiz Jaureguizar, Edgardo, Pascual, Rosendo, Prado, José Luis, Reguero, Marcelo Alfredo, Scillato-Yané, Gustavo Juan, Soibelzon, Hector Leopoldo, Tonni, Eduardo, Verzi, Diego H., Vieytes, Emma Carolina, Vizcaíno, Sergio Fabián, Vucetich, María Guiomar   +22 more
core  

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

Animals
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, Rodrigo dos Santos Albuquerque, José Gonçalo Monteiro Campos, Francisco Décio de Oliveira Monteiro, Kayan da Cunha Rossy, Thiago da Silva Cardoso, Lucas Santos Carvalho, Luisa Pucci Bueno Borges, Sheyla Farhayldes Souza Domingues, Roberto Thiesen, Roberta Martins Crivelaro Thiesen, Pedro Paulo Maia Teixeira   +11 more
doaj   +1 more source