Results 191 to 200 of about 416,381 (343)

Worlds within worlds: evolution of the vertebrate gut microbiota

open access: yesNature Reviews Microbiology, 2008
R. Ley   +4 more
semanticscholar   +1 more source

Morphology and paleoecology of a hybodontiform with serrated teeth, Priohybodus arambourgi, from the Late Jurassic of northeastern Brazil

open access: yesThe Anatomical Record, EarlyView.
Abstract Hybodontiformes was a diverse, successful, and important group of shark‐like chondrichthyans known from a variety of ecosystems. Some representatives of the order had a wide palaeogeographic distribution, as is the case with Priohybodus arambourgi. With a multicuspidate crown, P. arambourgi was the first hybodontiform to develop fully serrated
Estevan Eltink   +5 more
wiley   +1 more source

THE VERTEBRATE EYE [PDF]

open access: yesBritish Journal of Ophthalmology, 1943
openaire   +2 more sources

Inside the head of Crotalus durissus LINNAEUS, 1758 (Serpentes, Viperidae, Crotalinae): Macroscopic description of the brain with ontogenetic insights

open access: yesThe Anatomical Record, EarlyView.
Abstract Neuroanatomy studies in vertebrates have garnered significant attention in recent years, particularly driven by advancements in computerized tomography imaging techniques. Nonetheless, these advancements remain largely constrained to specific vertebrate groups, notably mammals, birds, and fish, leaving studies in reptiles at an incipient stage.
Giordanna Issa Lucas, Angele Martins
wiley   +1 more source

Vulture dominance in a scavenger assemblage in the Neotropical dry forest. [PDF]

open access: yesSci Rep
Monar-Barragán P   +8 more
europepmc   +1 more source

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