نتایج جستجو برای: sauria
تعداد نتایج: 375 فیلتر نتایج به سال:
s of the 13th Ordinary General Meeting of the Societas Europaea Herpetologica. Bonn, Germany, 27 September-2 October 2005. Luiselli, L., Capula, M., Corti, C., Lo Cascio, P. & PérezMellado, V. 2004. Preliminary data on the feeding ecology of Podarcis raffonei (Reptilia, Lacertidae), a threatened endemic lizard of the Aeolian Islands (Mediterranean Sea). 223-229. In: Pérez-Mellado, V., Riera, N....
We report here on recent collections of amphibians and reptiles from El Salvador, in western Central America. More than 600 specimens of amphibians and reptiles were collected on field trips during 2001 and 2002, representing 51 species: one salamander, 11 anurans, 22 lizards, and 17 snakes. One lizard, Mesoscincus managuae (Sauria: Scincidae) is a new national record. Conservation needs and ac...
Pseudosuchia, one of the two main clades of Archosauria (Reptilia: Diapsida), suffered a major decline in lineage diversity during the Triassic-Jurassic (TJ) mass extinction (approx. 201 Ma). Crocodylomorpha, including living crocodilians and their extinct relatives, is the only group of pseudosuchians that survived into the Jurassic. We reassess changes in pseudosuchian morphological diversity...
Although the events of spermiogenesis are commonly studied in amniotes, the amount of research available for lizards (Sauria) is lacking. Many studies have described the morphological characteristics of mature spermatozoa in lizards, but few detail the ultrastructural changes that occur during spermiogenesis. The purpose of this study was to gain a better understanding of the subcellular events...
The origin of turtles is one of the most contentious issues in systematics with three currently viable hypotheses: turtles as the extant sister to (i) the crocodile-bird clade, (ii) the lizard-tuatara clade, or (iii) Diapsida (a clade composed of (i) and (ii)). We reanalysed a recent dataset that allied turtles with the lizard-tuatara clade and found that the inclusion of the stem turtle Progan...
The South African species Euparkeria capensis is of great importance for understanding the early radiation of archosauromorphs (including archosaurs) following the Permo-Triassic mass extinction, as most phylogenetic analyses place it as the sister taxon to crown group Archosauria within the clade Archosauriformes. Although a number of species from Lower-Middle Triassic deposits worldwide have ...
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