Results 61 to 70 of about 2,156 (175)
Journal of Morphology, Volume 287, Issue 11, November 2026.We investigated the intraskeletal pathway of the trigeminal nerve in Aves, using diffusible iodine‐enhanced contrast‐enhanced computer tomography. Among the examined species, the main nerve pathways of the ophthalmic, maxillary, and mandibular nerves were highly conserved, although the ophthalmic nerve pathway around the external naris differed in ...
Noriyuki Wakimizu, Takanobu Tsuihiji
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Arquivo Brasileiro de Medicina Veterinária e ZootecniaData on the tomographic characteristics of lung parenchyma in terrapins are rare. The objective of this study was to describe the tomographic anatomy of the lung parenchyma in five species of terrapins and estimate the normal CT attenuation values of the
I.C.C. Silva +5 more
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The Anatomical Record, Volume 309, Issue 10, Page 2541-2559, October 2026.Abstract A recent debate has emerged between Caspar et al. (2024) and Herculano‐Houzel (2023) on inferring extinct dinosaur cognition by estimating brain neuron counts. While thought‐provoking, the discussion largely overlooks the function of cognition, as well as partly neglects the difficulties involved in estimating neuron numbers, which according ...
Thomas Rejsenhus Jensen +7 more
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The Anatomical Record, Volume 309, Issue 10, Page 2790-2837, October 2026.Abstract Softshell turtles (Pan‐Trionychidae) are an early branching clade of hidden‐necked turtles (Cryptodira) with a rich fossil record extending back to the Early Cretaceous. The evolutionary history of softshell turtles is still unresolved because of their conservative morphology combined with high levels of polymorphism related to morphological ...
Léa C. Girard, Walter G. Joyce
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, 2018 TESTUDINES BATSCH, 1788 CRYPTODIRA COPE, 1868a CHELONIOIDEA BAUR, 1893 PAN-CHELONIIDAE JOYCE, PARHAM & GAUTHIER 2004 EUCLASTES COPE, 1867 EUCLASTES WIELANDI HAY, 1908 FIGS. 2–4 Material— RU-EFP-00009, a nearly complete skull roof (Fig. 2), braincase (Fig. 3), and lower jaw (Fig. 4).
Ullmann, Paul V. +2 more
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Phylogenetic Reconstruction of Lung Evolution in Extant Squamata
Journal of Zoology, Volume 330, Issue 2, Page 149-159, October 2026.The Squamata group exhibits remarkable diversity in lung structure. However, a comprehensive understanding of how this variation evolved within the clade is still lacking. To reconstruct the evolutionary history of lungs of living squamates, we conducted comparative phylogenetic analyses using categorized lung traits, such as lung type, respiratory ...
Barbara de Godoi Champini +2 more
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Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2006 This study reports the occurrence of Learedius learedi Price 1934 (Digenea, Spirorchiidae) in Chelonia mydas Linnaeus 1758 (Testudines, Chelonidae) in Brazil. Eleven animals were included in this study, 54.6 % of them were parasitized.
M.R. Werneck +3 more
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Interspecific Gene Flow and Potential Hybrid Breakdown in South Atlantic Sea Turtles
Molecular Ecology, Volume 35, Issue 20, October 2026.ABSTRACT Interspecific hybridisation can play an important evolutionary role, generating new taxa or outbreeding depression, which can also lead to behavioural reproductive isolation through reinforcement. Still, there are few studies investigating how divergence time relates to hybridisation rates and its impact on introgression. Sea turtles are known
M. D. Oliveira +4 more
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Global Change Biology Communications, Volume 1, Issue 3, September 2026.Using a dataset that spans more than 50 years, we found that northern map turtles (Graptemys geographica) – an ectothermic species with temperature‐dependent sex determination – exhibited faster somatic growth rates, altered thermoregulatory behaviors, and a female‐biased sex ratio in recent years which were characterized by warmer, longer growing ...
Amber L. Pitt +6 more
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