Results 51 to 60 of about 944,394 (253)

A giant chelonioid turtle from the late Cretaceous of Morocco with a suction feeding apparatus unique among tetrapods.

open access: yesPLoS ONE, 2013
BackgroundSecondary adaptation to aquatic life occurred independently in several amniote lineages, including reptiles during the Mesozoic and mammals during the Cenozoic.
Nathalie Bardet   +5 more
doaj   +1 more source

Movements of green turtles from foraging areas of the United Arab Emirates: regional habitat connectivity and use of marine protected areas

open access: yesMarine Biology, 2021
Adult sea turtles migrate between foraging areas and nesting sites that may be 100 s–1000 s of km away. Little is known of the connectivity between these sites in the Arabian region for green sea turtles.
N. Pilcher   +6 more
semanticscholar   +1 more source

Escalation of threats to marine turtles [PDF]

open access: yesOryx, 1992
Many, if not all, marine turtle populations world-wide have become seriously depleted by the impact of numerous factors over the years. Populations of marine turtles are now classified as endangered or threatened. National and international legislation designed to protect sea turtles has been unsuccessful and, despite evergrowing interest, there is ...
Judith Hutchinson, Mark Simmonds
openaire   +1 more source

Nasal soft‐tissue anatomy of Triceratops and other horned dinosaurs

open access: yesThe Anatomical Record, EarlyView.
Abstract Although ceratopsid dinosaurs possess a characteristically hypertrophied narial region, soft‐tissue anatomy associated with such a skeletal structure and their biological significance remain poorly understood. The present study provides the first comprehensive hypothesis on the soft‐tissue anatomy in the ceratopsid rostrum based on the Extant ...
Seishiro Tada   +5 more
wiley   +1 more source

Multidecadal underwater surveys reveal declines in marine turtles

open access: yesConservation Science and Practice
Marine turtles are a group of imperiled marine megafauna particularly vulnerable to anthropogenic stressors. Most long‐term studies of marine turtles are based on nesting surveys which focus on numbers of eggs, hatchlings, and nesting females.
Julia Saltzman   +7 more
doaj   +1 more source

Updated take estimates of marine turtles in the Guajira Peninsula, Venezuela

open access: yesMarine and Fishery Sciences
The Guajira Peninsula is one of the most important foraging grounds areas for marine turtles in Venezuela. There, five species converging: the green turtle, hawksbill, loggerhead, leatherback, and olive ridley.
Royner Carrasquero-Labarca   +4 more
doaj   +1 more source

MicroCT reinvestigation of the only articulated fossil anostomid fish reveals synonymy of Arhinolemur Ameghino, 1898 and Megaleporinus Ramirez et al., 2017

open access: yesThe Anatomical Record, EarlyView.
Abstract Arhinolemur scalabrinii† Ameghino, 1898 was originally described as a strepsirrhine primate (Mammalia) but has been recognized as an anostomid fish since 2012. It remains the only extinct anostomid species known from complete cranial material.
Karen M. Panzeri   +8 more
wiley   +1 more source

Geography best explains global patterns of genetic diversity and postglacial co‐expansion in marine turtles

open access: yesMolecular Ecology, 2019
For many species, climate oscillations drove cycles of population contraction during cool glacial periods followed by expansion during interglacials.
Brendan N. Reid   +4 more
semanticscholar   +1 more source

Clade‐wide morphological and functional variation of the sauropsid columella

open access: yesThe Anatomical Record, EarlyView.
Abstract The columella (=stapes) is the middle ear bone of reptiles that transmits vibrations from the environment to the inner ear. It has been shown to exhibit extensive interspecific morphological disparity in several clades; however, its morphological variation and associated functional consequences remain poorly described.
John Peacock   +4 more
wiley   +1 more source

Development of a Humane Slaughter Device for Green Turtles for Use by Traditional Owners in the Torres Strait Islands, Australia. [PDF]

open access: yesPLoS ONE, 2017
Marine turtles are caught and slaughtered for consumption as part of traditional indigenous community harvest in Australia as well as in many countries in which marine turtles can be found.
Mark Flint   +8 more
doaj   +1 more source

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