January 2019

Table of Contents - PeerJ (Biology Articles)

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Descriptive anatomy of the largest known specimen of Protoichthyosaurus prostaxalis

Three-dimensional skull of BMT 1955.G35.1, Protoichthyosaurus prostaxalis.

January 8, 2019

Descriptive anatomy of the largest known specimen of Protoichthyosaurus prostaxalis

Representing one of the first times that medical imaging and three-dimensional reconstruction methods have been applied to a large skull of a marine reptile, researchers describe the partial skeleton of a large ichthyosaur from the Lower Jurassic of Warwickshire, England. The unusual three-dimensional preservation of the specimen permitted computed tomography (CT) scanning of individual braincase elements as well as the entire reassembled skull.

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January 4, 2019
Phylogeny of Paleozoic limbed vertebrates reassessed through revision and expansion of the largest published relevant data matrix
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https://doi.org/10.7717/peerj.5565 PubMed 30631641
January 23, 2019
Reproductive pattern and population dynamics of commercial red swamp crayfish (Procambarus clarkii) from China: implications for sustainable aquaculture management
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https://doi.org/10.7717/peerj.6214 PubMed 30697477
January 3, 2019
The role of Central American barriers in shaping the evolutionary history of the northernmost glassfrog, Hyalinobatrachium fleischmanni (Anura: Centrolenidae)
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https://doi.org/10.7717/peerj.6115 PubMed 30627486
January 11, 2019
Characterizing ecomorphological patterns in hyenids: a multivariate approach using postcanine dentition
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https://doi.org/10.7717/peerj.6238 PubMed 30648005
January 31, 2019
High-resolution maps of Swiss apiaries and their applicability to study spatial distribution of bacterial honey bee brood diseases
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https://doi.org/10.7717/peerj.6393 PubMed 30723636
January 30, 2019
Extraordinary centromeres: differences in the meiotic chromosomes of two rock lizards species Darevskia portschinskii and Darevskia raddei
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https://doi.org/10.7717/peerj.6360 PubMed 30723630
January 9, 2019
Climatic niche evolution in the viviparous Sceloporus torquatus group (Squamata: Phrynosomatidae)
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https://doi.org/10.7717/peerj.6192 PubMed 30643683
January 10, 2019
Aridity and land use negatively influence a dominant species' upper critical thermal limits
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https://doi.org/10.7717/peerj.6252 PubMed 30656070
January 22, 2019
Shifting faunal baselines through the Quaternary revealed by cave fossils of eastern Australia
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https://doi.org/10.7717/peerj.6099 PubMed 30697475
January 11, 2019
Anuran diversity indicates that Caatinga relictual Neotropical forests are more related to the Atlantic Forest than to the Amazon
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https://doi.org/10.7717/peerj.6208 PubMed 30647999
January 8, 2019
Hardly habitual: chimpanzees and gorillas show flexibility in their motor responses when presented with a causally-clear task
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https://doi.org/10.7717/peerj.6195 PubMed 30643700
January 18, 2019
Review of the ant genus Meranoplus Smith, 1853 (Hymenoptera: Formicidae) in the Arabian Peninsula with description of a new species M. mosalahi sp. n. from Oman
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https://doi.org/10.7717/peerj.6287 PubMed 30687589
January 7, 2019
Inhibition of MEK1/2 and GSK3 (2i system) affects blastocyst quality and early differentiation of porcine parthenotes
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https://doi.org/10.7717/peerj.5840 PubMed 30643672
January 24, 2019
Dietary analysis of an uncharacteristic population of the Mountain Pygmy-possum (Burramys parvus) in the Kosciuszko National Park, New South Wales, Australia
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https://doi.org/10.7717/peerj.6307 PubMed 30697490
January 25, 2019
The dynamics of grooming interactions: maintenance of partner choice and the consequences of demographic variation for female mandrills
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https://doi.org/10.7717/peerj.6332 PubMed 30701140
January 11, 2019
Grazing by large savanna herbivores indirectly alters ant diversity and promotes resource monopolisation
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https://doi.org/10.7717/peerj.6226 PubMed 30648021
January 10, 2019
Native bluegill influence the foraging and aggressive behavior of invasive mosquitofish
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https://doi.org/10.7717/peerj.6203 PubMed 30648019
January 30, 2019
Urban plums and toads: do fleshy fruits affect the post-metamorphic growth of amphibians?
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https://doi.org/10.7717/peerj.6337 PubMed 30723623
Descriptive anatomy of the largest known specimen of Protoichthyosaurus prostaxalis

Three-dimensional skull of BMT 1955.G35.1, Protoichthyosaurus prostaxalis.

January 8, 2019

Descriptive anatomy of the largest known specimen of Protoichthyosaurus prostaxalis

Representing one of the first times that medical imaging and three-dimensional reconstruction methods have been applied to a large skull of a marine reptile, researchers describe the partial skeleton of a large ichthyosaur from the Lower Jurassic of Warwickshire, England. The unusual three-dimensional preservation of the specimen permitted computed tomography (CT) scanning of individual braincase elements as well as the entire reassembled skull.

- read article

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