Results 21 to 30 of about 14,455 (206)

Growth dynamics, skeletochronology, and histovariability of the theropod dinosaur Berthasaura leopoldinae

open access: yesThe Anatomical Record, EarlyView.
Osteohistological sampling on different bones of theropod dinosaur documents discrepant age record, growth, and metabolism. This could result unprecise paleobiological inferences if samplings are based on single bones. However, multi‐bone sampling can attenuate these discrepancies, helping to infer growth dynamics and physiology of these extinct ...
Geovane Alves de Souza   +3 more
wiley   +1 more source

Lizards and Amphisbaenians, municipality of Viçosa, state of Minas Gerais, southeastern Brazil [PDF]

open access: yesCheck List, 2009
We performed a survey of lizards and amphisbaenians from municipality of Viçosa, in Atlantic Forest from state ofMinas Gerais, southeastern Brazil, based on data of the herpetological collections of Museu de Zoologia João Moojen,Universidade Federal de ...
Rodrigues, A. C.   +3 more
doaj   +4 more sources

El parangón de la belleza femenina con el reino animal en la poesía árabe clásica

open access: yesEstudios de Asia y África
En toda la literatura árabe hay abundantes ejemplos de un fenómeno que podría llamarse “analogía de la hermosura”. Generalmente, estas comparaciones constituyen alegorías en las que reiterados rasgos de una mujer ideal son equiparados con ...
Ahmad Salman Alqahtani
doaj   +1 more source

Dental crown morphological variation and heterodonty in carcharhiniform sharks

open access: yesThe Anatomical Record, EarlyView.
Abstract Elasmobranch teeth are highly mineralized structures that constitute the majority of the fossil record for this group. Despite their taxonomic and evolutionary significance, detailed descriptions of dental morphology remain scarce. The order Carcharhiniformes, the most diverse among sharks, comprises 304 valid species that display remarkable ...
Flávia Zanini, Karla D. A. Soares
wiley   +1 more source

De leones, águilas y liebres (y caballos y perros): bestiarios y enciclopedias naturales en el Lucidario de Sancho IV

open access: yesÍtaca
El Lucidario es un diálogo entre un maestro y su discípulo compuesto bajo el auspicio de Sancho IV de Castilla entre 1293 y 1295. Escrito siguiendo la tradición escolástica de la literatura de quaestiones, el tratado dedica cerca de un tercio de sus 100 ...
Mario Cossío Olavide
doaj   +1 more source

An unusual titanosaur axis from the Upper Cretaceous of Brazil and its significance for sauropod anatomy and systematics

open access: yesThe Anatomical Record, EarlyView.
Abstract The Upper Cretaceous São José do Rio Preto Formation (Bauru Group, southeastern Brazil) has yielded a fragmentary but taxonomically diverse record of titanosaur sauropods, although elements from cervical series remain scarce. Here, we describe a nearly complete sauropod axis from the Vila Ventura Paleontological Area, representing an uncommon ...
Bruno A. Navarro   +7 more
wiley   +1 more source

Avifauna de la comunidad de La Lumbrera (Cieneguilla), Aguascalientes, Aguascalientes, México

open access: yesTecnociencia Chihuahua, 2019
Hasta el momento se han realizado pocos trabajos sobre avifauna en Aguascalientes y es necesario realizar más estudios que permitan ampliar el conocimiento acerca de la riqueza de especies de aves presentes en el estado.
Moisés Arellano Delgado   +4 more
doaj  

Much more than their fangs: Macroscopic anatomy of the brain of Bothrops moojeni Hoge 1966 (Squamata, Serpentes, Viperidae)

open access: yesThe Anatomical Record, EarlyView.
Abstract Neuroanatomical research has progressed considerably in several vertebrate lineages, yet studies of reptilian brain morphology remain markedly underdeveloped. Here we provide the first description of macroscopic brain anatomy and its ontogeny in the viperid Bothrops moojeni, based on a sample of seven individuals.
Paula Araújo   +2 more
wiley   +1 more source

MicroCT reinvestigation of the only articulated fossil anostomid fish reveals synonymy of Arhinolemur Ameghino, 1898 and Megaleporinus Ramirez et al., 2017

open access: yesThe Anatomical Record, EarlyView.
Abstract Arhinolemur scalabrinii† Ameghino, 1898 was originally described as a strepsirrhine primate (Mammalia) but has been recognized as an anostomid fish since 2012. It remains the only extinct anostomid species known from complete cranial material.
Karen M. Panzeri   +8 more
wiley   +1 more source

El diario como estrategia metodológica para aprender zoología.

open access: yes, 2022
La finalidad de este estudio consistió en utilizar el diario como estrategia metodológica para aprender zoología en los alumnos de educación biología. El tipo de investigación fue cualitativa, acción participativa, con enfoque introspectivo vivencial. La
Acosta, S., & Fuenmayor, A.
core   +1 more source

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