نتایج جستجو برای: reptilia

تعداد نتایج: 1226  

Journal: :Amphibia-reptilia 2021

Abstract Based on genetic and morphological evidence, Senczuk et al. (2019) formally raised the Podarcis populations from Western Pontine Islands, previously classified as several subspecies of P. siculus , to species rank, i.e. latastei (Bedriaga, 1879). This taxonomic change was not accepted in checklist European herpetofauna by Speybroeck (2020), recently published Amphibia-Reptilia. In this...

2007
C. F. C. Klütsch B. Misof W.-R. Grosse R. F. A. Moritz

Aim Anole lizards (Reptilia: Sauria: Polychrotidae) display remarkable morphological and genetic differentiation between island populations. Morphological differences between islands are probably due to both adaptive (e.g. differential resource exploitation and intraor interspecific competition) and non-adaptive differentiation in allopatry. Anoles are well known for their extreme diversity and...

2004
JOHN D. WILLSON

Herpetological Review 35(2), 2004 the West African Savanna. Edition Chimaira, Frankfurt am Main. 332 pp. ––––––, M. SPIELER, K. GRABOW, and C. BÖCKHELER. 1995. Hemisus marmoratus (Peters, 1854) (Anura: Hemisotidae), Fortpflanzungsstrategien eines Savannenfrosches. Bonn. Zoo. Beitr. 45:191–207. SPIELER, M., and K. E. LINSENMAIR. 1998. Migration patterns and diurnal use of shelter in a ranid frog...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1999
Z Yang A Whyte A B Attygalle P J Weldon T Eisner J Meinwald

The African dwarf crocodile, Osteolaemus tetraspis (Crocodilidae, Reptilia), possesses a pair of skin glands, the paracloacal glands, the secretion of which is thought to be used to mark nest sites or attract mates. Ten aromatic steroidal esters were isolated from this secretion and characterized on the basis of NMR spectroscopic investigations, electrospray ionization-MS analyses, and chemical...

Journal: :Cytogenetic and genome research 2014
Michael Schmid Claus Steinlein Wolfgang Feichtinger Thomas Haaf Abraham Mijares-Urrutia Walter E Schargel S Blair Hedges

Mitotic and meiotic chromosomes of 5 species of the reptile genus Gonatodes are described by means of conventional staining, banding analyses and in situ hybridization using a synthetic telomeric DNA probe. The amount, location and fluorochrome affinities of constitutive heterochromatin, the number and positions of nucleolus organizer regions, and the patterns of telomeric DNA sequences were de...

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