Some models of ecogeographic speciation explaining the herpetological diversity of the Andean-Patagonian region [PDF]
Se analizan cuatro modelos de especiación geográfica en el área andino-patagónica. Un primer y simple modelo involucra las mesetas basálticas aisladas a través del territorio extra-andino, las que han soportado desde el Terciario Tardío prolongados ...
Cei, José M. +2 more
core
Molecular phylogenetic relationships of the Liolaemus rothi complex and a new species of lizard from Auca Mahuida Volcano (Squamata: Liolaemini) [PDF]
A new species of lizard of the genus Liolaemus from Neuquén Province, western Argentina, is described. The new species is a member of the Liolaemus rothi species complex, and mitochondrial and nuclear molecular data show it as sister taxon of the clade ...
Avila, Luciano Javier +4 more
core +2 more sources
Miología craneal de Tropidurus melanopleurus (Squamata: tropiduridae)
Se describe la musculatura craneal de Tropidurus melanopleurus. La misma coincide en general con la exhibida por otros Tropiduridae, para los cuales se ha postulado poseen un patrón miológico común que a la vez formaría parte de uno generalizado asignable a otros iguanios. Se destacan sin embargo como características propias para T.
Marcus, Alicia Rosa +1 more
openaire +1 more source
Morphological differences and taxonomic status of the sympatric species liolaemus coeruleus y liolaemus neuquensis (Reptilia: Iguania: Liolaemidae) [PDF]
Dos especies simpátricas de saurios (Liolaemus coeruleus y Liolaemus neuquensis) son estudiadas, con el objetivo de identificar variables morfométricas y merísticas para su diferenciación. Se analizaron ejemplares recién colectados de cada especie (n= 28
Marcus, A. +3 more
core
Abstract Genetic divergence between two traditionally recognized subspecies, Liolaemus monticola chillanensis and Liolaemus monticola ssp., was assessed by allozymic comparison. Both morphotypes are syntopic and restricted to the mountains of the Cordillera de Chillan.
Torres-Pérez, Fernando +3 more
openaire +3 more sources
Orientation to the sun by animals and its interaction with crypsis [PDF]
1. Orientation with respect to the sun has been observed in a wide range of species and hasgenerally been interpreted in terms of thermoregulation and/or ultraviolet (UV) protection. For countershaded animals, orientation with respect to the sun may also
Cuthill, Innes C. +4 more
core +6 more sources
Herpetofauna de la Reserva Natural Provincial Isla Apipé Grande (Corrientes, Argentina) [PDF]
La información sobre biodiversidad es imprescindible para conocer y valorar el patrimonio natural de una región, especialmente para tomar decisiones correctas orientadas a la conservación de su biota (Aceñolaza et al., 2004).
Acosta, José Luis +6 more
core +1 more source
Sex Ratio and Sexual Size Dimorphism in a Toad-headed Lizard, Phrynocephalus guinanensis [PDF]
Phrynocephalus guinanensis has sexual dimorphism in abdominal coloration, but its ontogenetic development of sexual size dimorphism (SSD) is unknown. Using mark-recapture data during four days each year from August from 2014 to 2016, we investigated the ...
Haojie TONG +4 more
core +1 more source
Ecology and parasitism of the lizard Tropidurus jaguaribanus (Squamata: Tropiduridae) from northeastern Brazil. Specimens of Tropidurus jaguaribanus were collected as part of a study of their use of microhabitats, activity period, body temperature, diet,
Edna P. Alcantara +4 more
doaj
"Revisiting the past": a redescription of Physaloptera retusa (Nemata, Physalopteridae) from material deposited in museums and new material from Amazon lizards. [PDF]
Macedo LC +5 more
europepmc +1 more source

