Results 1 to 10 of about 9,360 (204)

An overview of the osseous palmar sesamoid in Anura, with the particular case of some Rhinella species [PDF]

open access: yesPeerJ, 2023
Background Sesamoids are generally regarded as structures that are not part of the tetrapod body plan. The presence of a palmar sesamoid is assumed to serve as a distribution point for the forces of the flexor digitorum communis muscle to the flexor ...
Adriana Manzano, Virginia Abdala
doaj   +3 more sources

Identification and characterization of a new family of long satellite DNA, specific of true toads (Anura, Amphibia, Bufonidae) [PDF]

open access: yesScientific Reports, 2022
Amphibians have some of the most variable genome sizes among vertebrates. Genome size variation has been attributed to repetitive and noncoding DNA, including satellite repeats, transposable elements, introns, and nuclear insertions of viral and ...
Katerina Guzmán   +5 more
doaj   +2 more sources

Anura, Bufonidae, Melanophryniscus simplex: distribution extension [PDF]

open access: yesCheck List, 2007
None
Patrick Colombo   +4 more
doaj   +5 more sources

Chromosomes of South American Bufonidae (Amphibia, Anura) Chromosomes of South American Bufonidae (Amphibia, Anura)

open access: yesCaldasia, 1973
Karyotypes of eight of South American Bufonidae were studied: B.ictericus, B. spinulosus spinulosus, B. arenarum, B. g. fernandezae, B. g. d'orbignyi, B. crucifer, B. paracnemis and B. marinus. In all species 2n = 22 chromosomes were found.
Brum Zorrilla N., Saenz F. A.
doaj   +1 more source

Phylogenetic Study of Bufonidae (Amphibia: Anura) From West Sumatra (Indo-nesia) Based on Cytochrome bGene [PDF]

open access: yesJournal of Tropical Life Science, 2021
Bufonidaeis a widelydistributedamphibian family around the world, includingIndonesia (Sumatra) and Asia. Sumatra is an island thathas separated because of sea level increaseand createsa gene flow barrier for amphibiansin Sumatra and Asia.
Djong Hon Tjong   +2 more
doaj   +1 more source

From Gondwana to the Yellow Sea, evolutionary diversifications of true toads Bufo sp. in the Eastern Palearctic and a revisit of species boundaries for Asian lineages

open access: yeseLife, 2022
Taxa with vast distribution ranges often display unresolved phylogeographic structures and unclear taxonomic boundaries resulting in hidden diversity.
Siti N Othman   +15 more
doaj   +1 more source

Characterization of the mitochondrial genomes of two toads, Anaxyrus americanus (Anura: Bufonidae) and Bufotes pewzowi (Anura: Bufonidae), with phylogenetic and selection pressure analyses [PDF]

open access: yesPeerJ, 2020
Mitogenomes are useful in analyzing phylogenetic relationships and also appear to influence energy metabolism, thermoregulation and osmoregulation.
Yu-Ting Cai   +4 more
doaj   +2 more sources

Una nueva especie colombiana de Atelopus (Amphibia: Bufonidae) Una nueva especie colombiana de Atelopus (Amphibia: Bufonidae)

open access: yesCaldasia, 1978
Se describe una nueva especie del género Atelopus (loc. typ.: Río Carauta, Parque Nacional Natural de las Orquídeas, vertiente occidental de la Cordillera Occidental, Departamento de Antioquia, Colombia), distinguible de sus congéneres principalmente por
Ruíz Carranza Pedro M.   +1 more
doaj   +1 more source

Determination of the degree of helminth infestation of the ecaudate amphibians (the Anura: Ranidae, Bufonidae) depending on the biotic factors in conditions of the Republic of Moldova

open access: yesActa et Commentationes: Ştiinţe Exacte şi ale Naturii, 2022
In this study is made an ecological analysis of the species composition, structure of the helminth community and the invasion degree of Ranidae and Bufonidae families in different habitats in Moldova. As a result, it has been established the presence of
Elena Gherasim   +3 more
doaj   +1 more source

Database of Amphibia distribution in West Siberia (Russia) [PDF]

open access: yesBiodiversity Data Journal, 2022
West Siberia is a large region in North Eurasia, which harbours multiple climatic zones, landscape types and biomes. Its amphibian fauna is characterised by a combination of European and Asian species. For many species, this region is the place where the
Evgeniy Simonov   +4 more
doaj   +3 more sources

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