Results 61 to 70 of about 40,201 (313)

Turtles' breathing evolved at a turtle's pace [PDF]

open access: yesScience, 2014
Vertebrate Evolution![Figure][1] The physiology of turtle breathing differs from that of other vertebrates PHOTO: © ALL CANADA PHOTOS/ALAMY In most vertebrates, muscles associated with the lungs (intercostal muscles) work with the abdominal muscles to control breathing.
openaire   +1 more source

turtles-genetrees-1000-bootreps-from-cloudforest.bz2

open access: yes, 2012
Genetree bootstrap replicates generated from the data in turtles-individual-nexus-files-for-loci.tar.bz2 using Cloudforest (map-reduce Phybase)
Brant C. Faircloth (143432)   +11 more
core   +1 more source

A perspective from the Mesozoic: Evolutionary changes of the mammalian skull and their influence on feeding efficiency and high‐frequency hearing

open access: yesThe Anatomical Record, EarlyView.
Abstract The complex evolutionary history behind modern mammalian chewing performance and hearing function is a result of several changes in the entire skeletomuscular system of the skull and lower jaw. Lately, exciting multifunctional 3D analytical methods and kinematic simulations of feeding functions in both modern and fossil mammals and their ...
Julia A. Schultz
wiley   +1 more source

Sound localization circuits in reptiles

open access: yesFrontiers in Amphibian and Reptile Science
Location of sound sources is a fundamental task of the auditory system. Recent studies have shown that land vertebrates employ an array of sound localization strategies.
Dawei Han   +4 more
doaj   +1 more source

Early Pliocene Varanus (Squamata, Varanidae) remains from Megalo Emvolon, Thessaloniki, Greece

open access: yesThe Anatomical Record, EarlyView.
The article describes new cranial and postcranial varanid material from Megalo Emvolon Lower Pliocene vertebrate fossil site near Thessaloniki. The fossils, likely representing a single individual, are referred to Varanus cf. marathonensis. Abstract This study describes new fossil varanid material from a recently discovered fossil spot (MVL site) at ...
Chara Drakopoulou   +3 more
wiley   +1 more source

turtles-mrbayes-thin-100-output-no-snake.tar.bz2

open access: yes, 2012
MRBAYES output following 5,000,000 iterations (thin=100) after inputting turtles-mrbayes-concatenated-nexus-file-no-snake.nex ...
Brant C. Faircloth (143432)   +11 more
core   +1 more source

T. rex cognition was T. rex‐like—A critical outlook on diverging views of the neurocognitive evolution in dinosaurs

open access: yesThe Anatomical Record, EarlyView.
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
wiley   +1 more source

Sea turtles and the environmental management of industrial activities in North West Western Australia

open access: yes, 2005
The nesting demographics of sea turtles using beaches within the Barrow, Lowendal, Montebello (B-L-M) island complex on the North West Shelf of Western Australia were examined in the context of their spatial and temporal distribution and potential for ...
Pendoley, Kellie Lee
core  

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

open access: yesThe 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   +4 more
wiley   +1 more source

Turtles From an Arkadelphia Formation—Midway Group Lag Deposit (Maastrichtian—Paleocene), Hot Spring County, Arkansas, USA

open access: yesGeosciences, 2016
The Arkadelphia Formation—Midway Group (Maastrichtian—Paleocene) contact near Malvern, Arkansas preserves a K-Pg boundary assemblage of turtle species consisting of skull, shell, and non-shell postcranial skeletal elements.
Martin A. Becker   +2 more
doaj   +1 more source

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