Results 91 to 100 of about 6,610 (226)

Scanning electron microscopy of the oral apparatus and buccopharyngeal cavity of Atelognathus salai larvae (Anura, Neobatrachia) [PDF]

open access: yes, 2006
The aim of this study is to describe the horny structures of the buccal apparatus and buccopharyngeal cavity of A. salai by means ofscanning electron microscopy (SEM), and to compare them to those of the other known species of Atelognathus and related ...
Carmen A. Úbeda   +2 more
core   +2 more sources

A new species of rainfrog of the Eleutherodactylusmilesi species group (Amphibia: Anura: Leptodactylidae) from Guatemala

open access: yesRevista de Biología Tropical, 2000
A new rainfrog of the Eleutherodactylus milesi group is described from the Sierra de Xucaneb, Guatemala. It is compared to the other 11 upland species from southern Mexico, Guatemala and Honduras referred to the group.
Jay M Savage
doaj  

Phylogenetic relationships of Chilean leptodactylids: a molecular approach based on mitochondrial genes 12S and 16S Relaciones filogenéticas de los leptodactílidos chilenos: una aproximación molecular basada en los genes mitocondriales 12S y 16S

open access: yesRevista Chilena de Historia Natural, 2006
Most Chilean amphibians belong to the subfamily Telmatobiinae (Anura, Leptodactylidae). Several phylogenetic studies of Leptodactylidae and Telmatobiinae, based principally on morphological characters, have implicitly suggested closer relationships of ...
CLAUDIO CORREA   +3 more
doaj  

Schulzia chiribita n. sp. (Nematoda, Trichostrongylina, Molineoidea) parasite of Leptodactylus rhodonotus (Amphibian) from Peru

open access: yesParasite, 2000
A third species of the genus Schulzia Travassos, 1937 a parasite of Leptodactylus rhodonotus (Amphibian, Leptodactylidae) originating from Peru is described.
Durette-Desset M.C.   +2 more
doaj   +1 more source

Mating Patterns and Post-Mating Isolation in Three Cryptic Species of the Engystomops Petersi Species Complex

open access: yes, 2017
Determining the extent of reproductive isolation in cryptic species with dynamic geographic ranges can yield important insights into the processes that generate and maintain genetic divergence in the absence of severe geographic barriers.
Hoke, Kim L.   +3 more
core   +3 more sources

Larvas de Telmatobius (Anura: Leptodactylidae) de la provincia de Tucumán (Argentina)

open access: yesActa Zoológica Lilloana, 1984
Se describen las larvas de tres taxones de Telmatobius (T. laticeps, T. hauthali pisanoi y T. ceiorum) de Tucumán, Argentina, mostrando las mejores diferencias biométricas, ilustradas con diagramas de dispersión. También se realizan caracterizaciones de
E. O. Lavilla
doaj  

Eleutherodactylus alcoae [PDF]

open access: yes, 1977
Number of Pages: 2Integrative BiologyGeological ...
Schwartz, Albert
core   +1 more source

Developmental changes and novelties in ceratophryid frogs [PDF]

open access: yes, 2016
The Neotropical frog genera Ceratophrys, Chacophrys and Lepidobatrachus form the monophyletic family Ceratophryidae. Although in- and out-group relationships are not fully resolved, the monophyly of the three genera is well supported by both ...
Chuliver Pereyra, Mariana   +5 more
core   +3 more sources

Lista anotada y clave para las ranas (género Eleutherodactylus) chocoanas del Valle del Cauca, y apuntes sobre las especies de la Cordillera Occidental adyacente

open access: yesCaldasia, 1999
Twenty-three species of the genus Eleutherodactylus are reported fram 24 localities in the western lowlands of Valle del Cauca, Colombia, with notes on their identificacion and distributions. Up to 16 species have been taken from a single site. The cloud
Lynch John Douglas
doaj  

Eleutherodactylus augusti [PDF]

open access: yes, 1967
Number of Pages: 4Integrative BiologyGeological ...
Zweifel, Richard G.
core   +1 more source

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