Results 11 to 20 of about 987 (166)

Ultrastructural study of spermatozoa of the neotropical lizards, Tropidurus semitaeniatus and Tropidurus torquatus (Squamata, Tropiduridae) [PDF]

open access: yesTissue and Cell, 1999
A detailed description of the sperm ultrastructure of Tropidurus semitaeniatus and T. torquatus is provided. Mature spermatozoa of T. semitaeniatus and T. torquatus are filiform and characterized by: apical portion of acrosome depressed; perforatorium single; epinuclear lucent zone well developed; midpiece short; mitochondria columnar; midpiece with ...
Teixeira, Ruscaia Dias   +3 more
core   +7 more sources

Germinative cells and spermatogenesis of the lizard Tropidurus torquatus (Tropiduridae) from a urban area in the cerrado biome of the brazilian midwest [PDF]

open access: yesBioscience Journal, 2016
Tropidurus comprises a Neotropical genus of lizard that currently has about 30 species widely distributed in the South American. Among these species, Tropidurus torquatus, which has the characteristic of great physiological plasticity, occupying a ...
Débora Fabiane Neves da Silva   +4 more
doaj   +5 more sources

Anatomia macro- e microscópica do encéfalo do calango (Tropidurus torquatus) (WIED, 1820) [PDF]

open access: yesCiência Animal Brasileira, 2023
Resumo Os répteis têm um papel fundamental para a compreensão da independência reprodutiva da água que surgiu nos amniotas. Várias adaptações ocorreram, inclusive em padrões e comportamentos locomotores, e o sistema nervoso se adaptou a esses novos hábitos.
Letícia Menezes Freitas   +2 more
core   +7 more sources

Ecologia de Tropidurus torquatus (Sauria: Tropiduridae) da Restinga de Guriri, São Mateus, ES [PDF]

open access: yesRevista Brasileira de Biologia, 1999
Aspectos da ecologia de Tropidurus torquatus foram estudados mensalmente na restinga de Guriri, São Mateus, Norte do Espírito Santo, de fevereiro de 1996 a março de 1997. Foram coletados 108 exemplares com arma de pressão, sendo 45 machos, 56 fêmeas e 7 exemplares cujo sexo não foi identificado.
TEIXEIRA, R. L., GIOVANELLI, M.
openaire   +5 more sources

Importância ecológica e levantamento de informações sobre o lagarto Tropidurus torquatus

open access: yesRevista Uningá, 2011
Os lagartos, de maneira geral são comuns em áreas neotropicais em diferentes localidades. Este trabalho teve como objetivo levantar informações sobre a auto-ecologia das espécies do gênero Tropidurus, que ainda são escassas, dando ênfase na espécie T ...
FERNANDA DUENHAS SANCHES   +3 more
doaj   +2 more sources

Integrative approach on Pharyngodonidae (Nematoda: Oxyuroidea) parasitic in reptiles: Relationship among its genera, importance of their diagnostic features, and new data on Parapharyngodon bainae. [PDF]

open access: yesPLoS ONE, 2018
The first integrative approach using sequences of two genes (18S and 28S rRNA) plus morphological and life history traits, was explored in Pharyngodonidae nematodes parasitic in reptiles.
Felipe Bisaggio Pereira   +2 more
doaj   +2 more sources

Variation in the diet of the lizard Tropidurus torquatus along its coastal range in Brazil [PDF]

open access: yesBiota Neotropica, 2013
The diet composition of lizards of a given species may vary among different populations. The feeding ecology of the tropidurid lizard Tropidurus torquatus was studied in 10 coastal areas in Brazil in order to detect to what extent the diet varies along its geographic range.
Siqueira, Carla Costa   +3 more
openaire   +5 more sources

Sistemática, ecologia e zoogeografia dos Tropidurus do grupo Torquatus ao sul do Rio Amazonas (Sauria, Iguanidae)

open access: yesArquivos de Zoologia, 1987
This paper is a systematic revision of the lizards of the genus Tropidurus (torquatus group) occurring south of the Rio Amazonas. Following an analysis of meristic characters in five areas where lizards with different types of mite pockets occur synpatrically, eleven species are recognized, seven of which described as new.
Miguel Trefaut Rodrigues
doaj   +3 more sources

The terrestrial reptile fauna of the Abrolhos Archipelago: species list and ecological aspects [PDF]

open access: yesBrazilian Journal of Biology, 2002
We have studied the terrestrial reptile fauna of the Abrolhos Archipelago (a group of five islands located ca. 70 km off the southern coast of the State of Bahia, Brazil) and analyze here some of its ecological aspects such as diet, thermal ecology ...
C. F. D. ROCHA   +3 more
doaj   +1 more source

Biogeographic history and cryptic diversity of saxicolous Tropiduridae lizards endemic to the semiarid Caatinga. [PDF]

open access: yesBMC Evol Biol, 2015
Background: Phylogeographic research has advanced in South America, with increasing efforts on taxa from the dry diagonal biomes. However, the diversification of endemic fauna from the semiarid Caatinga biome in northeastern Brazil is still poorly known.
Werneck FP   +3 more
europepmc   +3 more sources

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