Results 131 to 140 of about 1,044 (185)

Extended mitogenomic phylogenetic analyses yield new insight into crocodylian evolution and their survival of the Cretaceous–Tertiary boundary

open access: yesMolecular Phylogenetics and Evolution, 2007
caiman, Paleosuchus trigonatus, and Cuvier’s dwarf caiman, Paleosuchus palpebrosus, were sequenced and included in a mitogenomic phylogenetic study. The phylogenetic analyses, which included a total of ten crocodylian species, yielded strong support to a
Ramesh Aggarwal, Axel Janké
exaly   +2 more sources
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Myocardial development in crocodylians

Developmental Dynamics, 2022
AbstractBackgroundRecent reports confirmed the notion that there exists a rudimentary cardiac conduction system (CCS) in the crocodylian heart, and development of its ventricular part is linked to septation. We thus analyzed myocardial development with the emphasis on the CCS components and vascularization in two different crocodylian species ...
Alena Kvasilova   +4 more
openaire   +2 more sources

Crocodylians

2022
This chapter provides an overview of extant crocodylians. The group of crocodylians include the largest extant species of reptiles and the only ones that sometimes regard humans as prey. Moreover, all extant crocodylians are semiaquatic predators and nearly all live in the tropics or subtropics.
F. Harvey Pough   +3 more
openaire   +1 more source

Crocodylian forelimb musculature and its relevance to Archosauria [PDF]

open access: yesThe Anatomical Record, 2003
AbstractThe musculoskeletal anatomy of the crocodylian forelimb is documented to facilitate functional morphological studies of extant and extinct archosaurs. Comparative descriptions of muscles of the forelimb of several crocodylian species are presented, including attachment sites, innervation, and anatomical functions.
Mason B Meers
exaly   +3 more sources

Crocodylian conservation and evolution insights from an anatomical and histological examination of phalli from male false gharial (Tomistoma schlegelii) [PDF]

open access: yesJournal of Veterinary Medicine Series C: Anatomia Histologia Embryologia, 2020
As wild population threats for the endangered false gharial (Tomistoma schlegelii) persist, conservation breeding programs, including developing semen collection techniques for subsequent artificial insemination, are becoming important species ...
Brandon Moore   +2 more
exaly   +2 more sources

Mammal-Like Dentition in a Mesozoic Crocodylian

Science, 1989
Crocodylian teeth are generally conical with little differentiation in shape along the tooth row. The mandible is incapable of any fore-aft movement, and feeding typically involves little or no intraoral processing. Complex, multi-cusped, mammal-like teeth differentiated along the tooth row have been found in a Cretaceous crocodylian from ...
Louis L Jacobs
exaly   +3 more sources

An overview of the crocodylian fossil record from Sardinia (Italy) [PDF]

open access: yesAnnales De Paleontologie, 2019
In the present contribution we focus on an overview of the Cenozoic crocodylians of Sardinia (Italy).Crocodylians from this Italian island have been published since the second half of the 19th Century anda number of papers reported on the presence of ...
Daniel Zoboli   +2 more
exaly   +2 more sources

Developmental origins of the crocodylian skull table and platyrostral face

The Anatomical Record, 2021
AbstractThe dorsoventrally flattened skull typifies extant Crocodylia perhaps more than any other anatomical feature and is generally considered an adaptation for semi‐aquatic feeding. Although the evolutionary origins of caniofacial flattening have been extensively studied, the developmental origins have yet to be explored. To understand how the skull
Zachary S. Morris   +3 more
openaire   +2 more sources

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