Results 71 to 80 of about 83,540 (304)

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

Ecological drivers of garden dormouse (Eliomys quercinus) occupancy in a human modified landscape in Germany

open access: yesEcological Solutions and Evidence
The garden dormouse (Eliomys quercinus) is an understudied mammal species endemic to Europe. Once distributed widely across the continent, its eastern populations have significantly declined, with the species now found in only 50% of its former range. In
Hanna Liesenfelder   +4 more
doaj   +1 more source

Sex Determination in Two Species of Anuran Amphibians by Magnetic Resonance Imaging and Ultrasound Techniques

open access: yesAnimals, 2020
The objective of the present study was to evaluate whether gender determination in two amphibian species (Kaloula pulchra and Xenopus laevis) can be reliably carried out by means of magnetic resonance imaging (benchtop magnetic resonance imaging; BT-MRI)
María José Ruiz-Fernández   +9 more
doaj   +1 more source

Stay healthy around pet reptiles and amphibians! [PDF]

open access: yes
Reptiles (such as snakes, lizards, and turtles) and amphibians (such as frogs and toads) can sometimes carry germs that can make people sick. These germs can cause illnesses ranging from fever to serious diarrhea.\u2022 Amphibians and reptiles can carry ...

core  

Evolutionary radiation of large‐bodied gorgonopsians from the lower Abrahamskraal formation of South Africa

open access: yesThe Anatomical Record, EarlyView.
Abstract The middle Permian represents a critical interval in therapsid evolution, when gorgonopsians emerged as some of the first specialized apex predators within terrestrial ecosystems. Despite their significance, the early diversification of Gorgonopsia in Gondwana remains poorly understood due to scarcity and fragmentary material.
Zanildo Macungo   +5 more
wiley   +1 more source

Novel polyomavirus in the endangered garden dormouse Eliomys quercinus

open access: yesVirology Journal
Background The garden dormouse (Eliomys quercinus) has experienced a significant population decline across Europe in recent decades. While habitat loss and climate change are often cited as primary factors, pathogen exposure, either to novel or to ...
Emilija Vasiliūnaitė   +7 more
doaj   +1 more source

Nature's fading chorus: classic and contemporary writings on amphibians

open access: yes, 2000
Amphibians have never succumbed easily to logic of simple either-or.in the drama of life on earth, they have for eons proven capable of playing multiple roles, emerging emerging as the archetypal creatures of compromise.
Gordon l. miller
core  

Early stages of tooth development in the harbor porpoise Phocoena phocoena

open access: yesThe Anatomical Record, EarlyView.
Abstract Here we describe the stages of tooth development in toothed whales on the basis of the harbor porpoise (Phocoena phocoena). The aim of the study was to find out whether these stages are identical to those of other mammals analyzed so far although toothed whales are homodont and monophyodont.
Lasse M. Mathes   +2 more
wiley   +1 more source

Exploring the batracho-and herpetofauna richness of Mojstirsko-Draške Mountains [PDF]

open access: yesKragujevac Journal of Science
The amphibian and reptile species inhabiting the Mojstirsko-Draške Mountains have not been thoroughly studied yet. From 2013 to 2018, a comprehensive field study effort documented a total of 20 species, comprising eight amphibian species and 12 reptile ...
Ćirković Glorija Ž., Ajtić Rastko D.
doaj   +1 more source

Born this way: Does variation in perinatal limb bone morphology predict adult locomotor repertoire in primates?

open access: yesThe Anatomical Record, EarlyView.
Abstract Primates show a high degree of locomotor diversity that engenders similar variance in limb bone cross‐sectional geometry and bending strength: leaping primates have stronger hindlimb bones whereas suspensory species have stronger forelimb bones.
Angela M. Mossor   +7 more
wiley   +1 more source

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