To the Problem of Strategy Protective Behavior of Some Agamid Lizards Genus Paralaudakia Baig, Wagner, Ananjeva and Böhme, 2012

Gordeev, D. A.; Ананьева, Н Б

doi:10.21685/2307-9150-2019-1-3

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“…The narrowed regenerate predominated in the samples of P. erythrogaster and P. stoliczkana (50.0 and 30.8%, respectively). Some species close to the genus Paralaudakia (e.g., Laudakia nupta (De Filippi, 1843)) had regenerates of similar types: knob-shaped jagged, knob-shaped smooth, and conical smooth (Gordeev and Anan'eva, 2019). The volume of our data does not allow us to make conclusions about the sex-related differences in the types of regenerates; however, the knob-shaped jagged (club-shaped) type dominates in most species (Schall et al, 1989) in both males and females.…”

Section: Resultsmentioning

confidence: 99%

Autotomy and Regeneration in Squamate Reptiles (Squamata, Reptilia): Defensive Behavior Strategies and Morphological Characteristics (Using Computer Microtomography Methods)

Gordeev

Ananjeva

Корост

2020

Biol Bull Russ Acad Sci

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It has been noted that caudal autotomy as a way of defending against predators in recent reptiles is characteristic solely of lepidosaurs and is absent in crocodiles and turtles. It was found that, in the order Rhynchocephalia and in representatives of the majority of families of lizards, intravertebral (IntraVB) autotomy is a widespread phenomenon, whereas agamid lizards and some snakes do not have a break plane, and their tails break between adjacent vertebrae (intervertebral (InterVB) autotomy). The frequencies of occurrence of InterVB autotomy and regeneration in six species of agamas of the genus Paralaudakia were analyzed. Six types of regenerate’s characteristic of the studied group and the anatomical structure of the knob -shaped jagged regenerate are described on the basis of the results of computed microtomography (micro-CT). Phenomena of autotomy and regeneration are discussed in the phylogenetic context.

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Section: Resultsmentioning

confidence: 99%