Results 51 to 60 of about 9,853 (259)

Aspectos de comportamento alimentar e dieta da tartaruga marinha, Chelonia mydas no litoral norte paulista Some aspects on feeding behaviour of the green turtle, Chelonia mydas, in the northern littoral of State of São Paulo

Brazilian Journal of Oceanography, 1983
Feeding behavior of immature green turtles, Chelonia mydas, has been observed on rocky shores along the northern part of State of São Paulo, southeastern Brazil. This turtle forages on underwater ledges, at depths of 1 to 3 m and grazes on benthic algae.
Ivan Sazima, Marlies Sazima
doaj   +1 more source

Preserved collagen reveals species identity in archaeological marine turtle bones from Caribbean and Florida sites [PDF]

Royal Society Open Science, 2019
Advancements in molecular science are continually improving our knowledge of marine turtle biology and evolution. However, there are still considerable gaps in our understanding, such as past marine turtle distributions, which can benefit from advanced ...
Virginia L. Harvey, Michelle J. LeFebvre, Susan D. deFrance, Casper Toftgaard, Konstantina Drosou, Andrew C. Kitchener, Michael Buckley   +6 more
doaj   +1 more source

A review of fibropapillomatosis in Green turtles (Chelonia mydas) [PDF]

The Veterinary Journal, 2016
Despite being identified in 1938, many aspects of the pathogenesis and epidemiology of fibropapillomatosis (FP) in marine turtles are yet to be fully uncovered. Current knowledge suggests that FP is an emerging infectious disease, with the prevalence varying both spatially and temporally, even between localities in close proximity to each other. A high
Jones, K., Ariel, E., Burgess, G., Read, M.   +3 more
openaire   +3 more sources

Functional anatomy, jaw mechanisms, and feeding behavior of Dunkleosteus terrelli (Placodermi, Arthrodira)

The Anatomical Record, EarlyView.
A new musculoskeletal reconstruction and revision of the cranio‐mandibular anatomy of the Devonian arthrodire placoderm Dunkleosteus terrelli from a comparative and functional anatomical perspective. Dunkleosteus is a specialized arthrodire with many specializations for feeding on large vertebrates, and many of its features are part of broader ...
Russell K. Engelman, Robert K. Carr, Kate Trinajstic, Zerina Johanson, Oleg A. Lebedev   +4 more
wiley   +1 more source

Selection characteristics and utilization of nesting grounds by green sea turtles on Xisha Islands, South China Sea

Global Ecology and Conservation
Effective species management and conservation require an understanding of geographical distribution patterns and reasons for species dispersal in a larger environment. The Xisha Islands are currently the largest green sea turtle nesting grounds in China,
Ting Zhang, Chenglong Zhang, Yunteng Liu, Yupei Li, Yangfei Yu, Jichao Wang, Liu Lin, Hai-Tao Shi   +7 more
doaj   +1 more source

A detailed redescription of a skeletally immature ‘Redondasaurus’ suggests ontogenetic transformations in the taxon mirror phytosaurian morphological evolution

The Anatomical Record, EarlyView.
Abstract The study of morphological evolution is fundamentally tied to ontogeny, yet studies of these heterochronic processes in the fossil record are rare. Fossils belonging to an ontogenetic series are difficult to assign to an ontogenetic stage due to inconsistent proxies for skeletal ages, challenging to taxonomically assign due to morphological ...
Erika R. Goldsmith, Michelle R. Stocker
wiley   +1 more source

The coelurosaur theropods of the Romualdo formation, early Cretaceous (Aptian) of Brazil: Santanaraptor placidus meets Mirischia asymmetrica

The Anatomical Record, EarlyView.
Abstract The upper carbonate concretion levels of the Romualdo Formation (Aptian, Brazil) have yielded several theropod dinosaur remains, including spinosaurids and the coelurosaurs Santanaraptor placidus and Mirischia asymmetrica, the phylogenetic affinities of which are controversial.
Rafael Delcourt, Orlando Nelson Grillo, Christophe Hendrickx, Maximilian Kellermann, Max Cardoso Langer   +4 more
wiley   +1 more source

The cranial, mandibular, and hyoid anatomy of softshell turtles (Trionychidae): A revised character list for phylogenetic analysis

The Anatomical Record, EarlyView.
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
wiley   +1 more source

Present and Future of the Green Turtle [PDF]

Oryx, 1962
“The most valuable reptile in the world”, is how American Professor Archie Carr describes the Green Turtle (Chelonia mydas). Unfortunately, this value is reflected again in the great reptile's alternative common name “the Edible Turtle”. Under the richly ironic scientific name of mydas, this ponderous marine has poured its rich juices into centuries of
openaire   +1 more source

Endothermy, neuron counts, and other issues: Further remarks on neurocognitive evolution in fossil vertebrates

The Anatomical Record, EarlyView.
Abstract Last year, we challenged the view that large‐bodied theropod dinosaurs such as Tyrannosaurus rex resembled primates in cognition and behavior, a proposition made by Herculano‐Houzel in 2023. More recently, Jensen et al. have criticized our work on this topic, raising methodological and conceptual issues.
Kai R. Caspar, Cristián Gutiérrez‐Ibáñez, Hady George, Thomas R. Holtz Jr., Darren Naish, Grant R. Hurlburt   +5 more
wiley   +1 more source