Results 61 to 70 of about 2,982 (203)

Notes on the Vertebrates of northern Pará, Brazil: a forgotten part of the Guianan Region, III. A new species of Microcaecilia (Amphibia: Gymnophiona: Caeciliidae) [PDF]

open access: yesBoletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2011
A new species of Microcaecilia is described from the municipality of Óbidos, state of Pará, in the Brazilian part of theGuianan Region. The new species has a high number of secondary annuli, monocuspid vomeropalatine teeth, and othercharacteristics that ...
Adriano Oliveira Maciel   +1 more
doaj  

Why Have a Pet Amphibian? Insights From YouTube

open access: yesFrontiers in Ecology and Evolution, 2019
The desire to own a pet amphibian is growing, and with it a growth in amphibian trade and in negative impacts on native populations, including disease transmission and invasive amphibian populations.
John Measey   +7 more
doaj   +1 more source

Occurrence of Chromosomal Polymorphism in a Striped Ichthyophid Caecilian (Amphibia: Gymnophiona) from Western Ghats of India [PDF]

open access: yes, 2014
Mitotic and meiotic chromosomes prepared from specimens of Ichthyophis italics tricolor collected from either side of Palghat Gap from three different locations of Western Ghats revealed a diploid number (2n=42-44) with Fundamental Number (62-64 ...
Venu Govindappa, .
core  

The evolution of muscle spindles

open access: yesExperimental Physiology, Volume 110, Issue 10, Page 1401-1421, October 1, 2025.
Abstract Muscle spindles are stretch‐sensitive mechanoreceptors found in the skeletal muscles of most four‐limbed vertebrates. They are unique amongst sensory receptors in the ability to regulate their sensitivity by contraction of the intrafusal muscle fibres on which the sensory endings lie.
Robert W. Banks, Uwe Proske
wiley   +1 more source

A review of color patterns in Caecilia tentaculata (Gymnophiona: Caeciliidae) reveals high frequency of partial leucism [PDF]

open access: yesActa Amazonica
Caecilia tentaculata is an amphibian species of the order Gymnophiona, widely distributed throughout Amazonia. We reviewed the species’ color pattern based on the analysis of collection specimens representing several populations across its geographic ...
Alice Maria Barbosa GUIMARÃES DIAS   +3 more
doaj   +1 more source

Cranial Morphology of the Carboniferous-Permian Tetrapod Brachydectes newberryi (Lepospondyli, Lysorophia): New Data from µCT. [PDF]

open access: yesPLoS ONE, 2016
Lysorophians are a group of early tetrapods with extremely elongate trunks, reduced limbs, and highly reduced skulls. Since the first discovery of this group, general similarities in outward appearance between lysorophians and some modern lissamphibian ...
Jason D Pardo, Jason S Anderson
doaj   +1 more source

Amphibians and Reptiles of Ethiopia—Biogeography, Conservation Priority Areas, and Potentials for “One Plan Approach” Conservation Measures 埃塞俄比亚的两栖爬行动物——生物地理学、保育优先区及“一体化方案”保育措施的潜力

open access: yesIntegrative Conservation, Volume 4, Issue 3, Page 442-463, September 2025.
In this study, we analyze the conservation status of Ethiopia's amphibian and reptile diversity in terms of coverage with protected areas and global representation in conservation breeding facilities. We identify conservation gaps and suggest priorities for improvement.
Kolja Sperling   +3 more
wiley   +1 more source

Evolutionary diversification of epidermal barrier genes in amphibians

open access: yesScientific Reports, 2022
The epidermal differentiation complex (EDC) is a cluster of genes encoding components of the skin barrier in terrestrial vertebrates. EDC genes can be categorized as S100 fused-type protein (SFTP) genes such as filaggrin, which contain two coding exons ...
Attila Placido Sachslehner   +1 more
doaj   +1 more source

Amphibians of São Paulo State, Brazil: state-of-art and perspectives [PDF]

open access: yes, 2011
The last list of species of the state of São Paulo State was updated and totaled 236 species of amphibians, 230 of which are anurans and six are caecilians.
Alexandrino, João   +7 more
core   +1 more source

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