Results 31 to 40 of about 480 (153)

Functional morphology and biomechanics of the locomotor apparatus in the large Late Triassic carnivore Postosuchus kirkpatricki (Archosauria: Rauisuchidae)

Journal of Anatomy, EarlyView.
A three‐dimensional model is used to analyze the locomotor biomechanics of the large Late Triassic archosaurian reptile Postosuchus kirkpatricki. The study finds that it is more uncertain than previously concluded whether it was quadrupedal or bipedal, and plantigrade or digitigrade, but it clearly had locomotor specializations including large hindlimb
John R. Hutchinson, Emily Faughey, Matthew Humpage, Tristan Dupuis, Oliver E. Demuth, Romain Pintore, Francois Clarac   +6 more
wiley   +1 more source

Histological and immunohistochemical study of the ovaries and oviducts of the juvenile female of Caiman latirostris (Crocodilia: Alligatoridae)

Zoologia (Curitiba), 2015
The purpose of this study was to examine the ovaries and the oviduct of juvenile females of the broad-snouted caiman, Caiman latirostris (Daudin, 1802), using light microscopy, histochemical and immunocytochemical techniques.
Clarice Machado-Santos, Lailah N. de S. Santana, Rosilene F. Vargas, Marcelo Abidu-Figueiredo, Lycia de Brito-Gitirana, Maurício A. Chagas   +5 more
doaj   +1 more source

A description of dental microanatomy and implantation geometry in Chamaeleonidae

Journal of Anatomy, EarlyView.
A reassessment of the dental histology in adult chamaeleons reveals the presence of periodontal ligament. Alongside alveolar bone and cementum, these tissues together constitute a compacted and remodelled tripartite periodontium. Our findings include the novel observation of plicidentine‐like protuberances of dentine within underlying bone.
Giles D. Sukkert, Ilaria Paparella, Michael R. Doschak, Aaron R. H. LeBlanc, Michael W. Caldwell   +4 more
wiley   +1 more source

Estimación de la abundancia de Caiman crocodilus (Crocodilia: Alligatoridae) en Caño Negro, Costa Rica, utilizando el modelo N-mixture

Cuadernos de investigación UNED, 2019
El tamaño (N) de las poblaciones de cocodrilos rara vez se puede determinar con precisión. Objetivo: comparar la abundancia con recuentos repetidos espacialmente, con el Modelo de N-mezclas y con el Método Messel, usando una población costarricense ...
J. Manuel Aranda-Coello
doaj   +1 more source

Phylogenetic Reconstruction of Lung Evolution in Extant Squamata

Journal of Zoology, EarlyView.
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, Ray Brasil Bueno de Souza, Wilfried Klein   +2 more
wiley   +1 more source

Microbial Exploration: A Review of Sauropsida Microbiomes

Advanced Gut & Microbiome Research
The gut microbiome in Sauropsida—reptiles and wild birds—is vastly understudied. This lack of data and understanding creates an inefficiency in studies and conservation efforts.
Amelia H. Torster, Steven J. A. Kimble
doaj   +1 more source

Unique Population or Unique Species? Genetic Insights Into the Pygmy Freshwater Crocodiles of Northern Australia

Ecology and Evolution, Volume 16, Issue 8, August 2026.
There is debate over whether isolated populations of “pygmy” Australian freshwater crocodiles are a unique species. This is a conservation concern as these populations face unique challenges. We found some population differences which support these populations as being ecologically unique and valuable for targeted conservation.
Katherine Brittain, Torre Muhlbach, Rui Cao, Jose Luis Mijangos, Dean Yibarbuk, Erin O'Brien, Ruchira Somaweera, Nancy N. FitzSimmons, Jaime Gongora   +8 more
wiley   +1 more source

Mugger Crocodile Crocodylus palustris Lesson, 1831 (Reptilia: Crocodilia: Crocodylidae) in river Saberi of Godavari system in southern Odisha, India: conservation implications

Journal of Threatened Taxa, 2018
A biodiversity survey was conducted in Koraput District of southern Odisha between August 2014 and July 2017.  During the survey, occurrence of Mugger or Marsh Crocodile Crocodylus palustris was ascertained from five localities in a stretch of 23km of ...
Subrat Debata, Swetashree Purohit, Anirban Mahata, Sudheer Kumar Jena, Sharat Kumar Palita   +4 more
doaj   +1 more source

DNA barcoding for identification of species involved in wildlife strikes at Brazilian airports

The Journal of Wildlife Management, Volume 90, Issue 6, August 2026.
A collaborative network of 42 Brazilian airports applied DNA barcoding to identify 80 species involved in wildlife strikes. Among them, 32 species (17 birds and 15 bats) were not currently available in Brazil's wildlife strike reporting database, underscoring the value of molecular tools for strengthening wildlife strike monitoring. Abstract This study
Andre Akira Gonzaga Yoshikawa, Bernardo Perin Cima, Iara Carolini Pinheiro, Isabelle Louise Pimenta‐Blight, Fernando Seabra, Carmen Elena Barragán‐Ruiz, Dalmo Almeida de Azevedo, Mariana Pires de Campos Telles, Raquel Nascimento Rocha, Karla Andréa Rodrigues dos Santos, Wellington Longuini Repette, José Pedro Francisconi Junior   +11 more
wiley   +1 more source

Comparative endocranial anatomy in the crocodylians Leidyosuchus canadensis and Stangerochampsa mccabei from the upper Cretaceous of Alberta, Canada

Journal of Anatomy, Volume 249, Issue 2, Page 264-291, August 2026.
Leidyosuchus canadensis and Stangerochampsa mccabei share endocranial features such as posterior projection of a neurovascular canal in the maxilla and a paratympanic sinus system most similar to those of small‐bodied and young extant crocodylians, suggesting that these pedomorphic features may reflect the ancestral crocodylian condition.
G. Donzé, G. Perrichon, P. Vincent, F. Therrien, J. E. Martin   +4 more
wiley   +1 more source