Results 31 to 40 of about 59,296 (338)

Esparganose em alguns vertebrados do Brasil: dificuldades na identificaçao das espécies de Luheella (Spirometra) Sparganum in some brazilian vertebrates: problems in the identification of species of Luheella (Spirometra)

open access: yesMemorias do Instituto Oswaldo Cruz, 1992
Some species of Amphibia and Reptilia are listed as new hosts of spargana, from material deposited in the Helminthological Collection of Oswaldo Cruz Institute.
A. Arandas Rego, G. Vidal Schäffer
doaj   +1 more source

Contradicting habitat type-extinction risk relationships between living and fossil amphibians [PDF]

open access: yesRoyal Society Open Science, 2017
Trait analysis has become a crucial tool for assessing the extinction risk of species. While some extinction risk-trait relationships have been often identical between different living taxa, a temporal comparison of fossil taxa with related current taxa ...
Melanie Tietje, Mark-Oliver Rödel
doaj   +1 more source

Estudio morfológico comparado de Verrucaria maura y V. amphibia en la Costa Vasca [PDF]

open access: yes, 1991
Se estudia la variabilidad que presentan las poblaciones de Verrucaria maura y V. amphibia de la costa vasca. Aparte de las formas típicas, se reconocen tres fenotipos diferentes, uno de ellos perteneciente a V. amphibia y los otros dos a V. mama.
Noya, Rosario   +1 more
core   +4 more sources

Ornithodoros faccinii n. sp. (Acari: Ixodida: Argasidae) parasitizing the frog Thoropa miliaris (Amphibia: Anura: Cycloramphidae) in Brazil

open access: yesParasites & Vectors, 2015
BackgroundMost argasid ticks from the Neotropical region are parasites of mammals and birds, with a few records from reptiles. Many species of the genus Ornithodoros are known only through larval descriptions, and their chaetotaxy and morphological ...
D. Barros-Battesti   +5 more
semanticscholar   +1 more source

Identity of Sphaerotheca pluvialis (Jerdon, 1853) and other available names among the burrowing frogs (Anura: Dicroglossidae) of South Asia

open access: yesJournal of Threatened Taxa, 2017
Species diversity of South Asian burrowing frogs within the genus Sphaerotheca is still obscure because of lack of taxonomic review.  There are taxonomic issues within the genus Sphaerotheca with several names being synonymized to S. breviceps and names,
Neelesh Dahanukar   +2 more
doaj   +1 more source

Siren [PDF]

open access: yes, 1974
Number of Pages: 2Integrative BiologyGeological ...
Martof, Bernard S.
core   +1 more source

ON THE ORIGIN OF THE SYMPATHETIC IN THE AMPHIBIA [PDF]

open access: yesThe Journal of Nervous and Mental Disease, 1922
n ...
Müller, Erik, Sven, Ingvar
openaire   +3 more sources

Phylogenetic relationships of Indian caecilians (Amphibia: Gymnophiona) inferred from mitochondrial rRNA gene sequences [PDF]

open access: yes, 2002
India has a diverse caecilian fauna, including representatives of three of the six currently recognized families, the Caeciliidae, Ichthyophiidae, the endemic Uraeotyphlidae, but previous molecular phylogenetic studies of caecilians have not included ...
Benson   +39 more
core   +2 more sources

Prey availability influences the diet of Scinax fuscomarginatus in a Cerrado area, Central Brazil

open access: yesAnimal Biodiversity and Conservation, 2020
La disponibilidad de presas influye en la dieta de Scinax fuscomarginatus en una zona de Cerrado, en el centro de Brasil La disponibilidad de presas en un entorno puede cambiar según la temporada y este cambio debe considerarse un factor determinante ...
G. Michelin, K. Ceron, D. J. Santana
doaj   +1 more source

Skin microbiota differs drastically between co-occurring frogs and newts [PDF]

open access: yesRoyal Society Open Science, 2017
Diverse microbial assemblages inhabit amphibian skin and are known to differ among species; however, few studies have analysed these differences in systems that minimize confounding factors, such as season, location or host ecology.
Molly C. Bletz   +2 more
doaj   +1 more source

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