Oscar Arribas

Oscar Arribas
IES Castilla. Junta de Castilla y León

Doctor
PhDr, M.Sc.;High School Science Teacher. Independent Researcher.

About

258
Publications
25,229
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1,617
Citations

Publications

Publications (258)
Article
In this study, we re-examine the Darevskia parvula group comprehensively using morphology, osteology and mitochondrial phylogeny, and describe a new endemic species from Turkey: Darevskia tuniyevisp. nov. A total of 257 adult specimens were evaluated for external morphology (scalation and biometry) with univariate (descriptive statistics and ANOVA...
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The aim of this work was to demonstrate that the Leistus (Leistus) constrictus Schaufuss 1862 populations from Sierra de Ayllón belong to a new sibling species of the true L. (L.) constrictus from Sierra de Guadarrama. We describe Leistus (Leistus) elpis sp. nov. The species were separated by the study of external morphology of qualitative characte...
Article
All the Turkish populations studied, both those previously assigned to D. dryada (Subaşı and Yoldere villages, near Hopa) and those attributed to D. clarkorum (the largest sample studied so far, 177 specimens in total), are indistinguishable from each other and therefore must all be ascribed to the natural variability of a monotypic D. clarkorum. T...
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The Batuecan lizard Iberolacerta martinezricai is a critically endangered species due to its significantly reduced distribution, which is restricted to the scree slopes (SS) of a few mountain peaks within the Batuecas-Sierra de Francia Natural Park (western Spain). Given its high specialisation in this type of discontinuous habitat, the long-term c...
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Two endemic taxa of the Northern Iberian System have been rescued from synonymy using the study of external morphology by means of morphometric analysis and genital anatomy. The causes that possibly led to these two taxa erroneously being identified as synonyms are analysed in this research. In the case of Nebria (Nebria) urbionensis versus Nebria...
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Podarcis siculus (Rafinesque-Schmaltz, 1810) or Italian wall lizard is one of the most invasive reptile-species. Recently, this lacertid lizard has been introduced to Mediterranean areas of southern Europe, South-West Asia (Turkey) and North America (USA). An abundant population of P. siculus was discovered on one of the sites of the Natural Ornith...
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Oestophora urbionensis, a new species from Duruelo de la Sierra, on southwestern slopes of Sierra de Urbión (between La Rioja and Soria provinces, Spain) is described. Judging from the shell, it is very similar to O.silvae Ortiz de Zárate López, 1962 and anatomical differentiation is mainly based on the greater length of dart sac complex, free ovid...
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Reproductive mode, ancestry, and climate are hypothesized to determine body size variation in reptiles but their effects have rarely been estimated simultaneously, especially at the intraspecific level. The common lizard (Zootoca vivipara) occupies almost the entire Northern Eurasia and includes viviparous and oviparous lineages, thus representing...
Chapter
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Lacerta aranica Arribas, 1993. Lagartija aranesa Sargantana aranesa (cat.), cernalha aranesa (aranés [occitano]) Ejemplar del Estany Negre de Güerri, Val d'Arán, (Lleida) Endemismo centro-pirenaico. Se encuentra exclusivamente en el Macizo de Mauberme y sus contra-fuertes, a caballo entre el valle de Arán (España) y el Ariège (Francia). Es la espec...
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KURZFASSUNG Iberolacerta aurelioi (ARRIBAS, 1994) ist eine in ihrem Bestand gefährdete Eidechsenart mit einer sehr kleinräumigen Verbreitung. Wesentliche Merkmale ihrer Fortpflanzungsbiologie wie etwa die hohe Lebenserwar-tung (von bis zu 17 Jahren), die verzögerte Geschlechtsreife (nicht vor dem 5. Kalenderjahr bzw. 4 Überwinterun-gen) und sehr ge...
Chapter
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The role of chromosome variability in speciation is still debated. Some authors consider them a simple by-product of allopatric events, while others think that they could act as effective post-mating isolating mechanisms. The lacertid lizards are karyologically very uniform and it has been hypothesised that the few cases of chromosomal variants are...
Chapter
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Lagartija aranesa-Iberolacerta aranica (Arribas, 1993) Oscar Arribas oarribas@xtec.cat Fecha de publicación: 24-04-2008 ______________________________________________________________________ Macho de Iberolacerta aranica. © Oscar Arribas. Identificación Lagartija pequeña con las escamas rostral e internasal están siempre en amplio contacto, la esca...
Chapter
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Lagartija pallaresa-Iberolacerta aurelioi (Arribas, 1994) Oscar Arribas oarribas@xtec.cat Fecha de publicación: 5-06-2008 ______________________________________________________________________ Macho de Iberolacerta aurelioi. © Oscar Arribas. Identificación Lagartija pequeña con el dorso de color de fondo pardo muy claro, a veces de tonos oliváceos....
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Lagartija pirenaica-Iberolacerta bonnali (Lantz, 1927) Oscar Arribas oarribas@xtec.cat Fecha de publicación: 22-07-2008 ______________________________________________________________________ Macho de Iberolacerta bonnali. © Oscar Arribas. Identificación Lagartija pequeña con escamas rostral e internasal generalmente en contacto, postocular y pariet...
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Morphological variability of the Cantabro-Pyrenean populations of Zootoca vivipara (JACQUIN, 1787) with description of a new subspecies (Squamata: Sauria: Lacertidae) Morphologische Variabilität der kantabro-pyrenäischen Populationen von Zootoca vivipara (JACQUIN, 1787) samt Beschreibung einer neuen Unterart (Squamata: Sauria: Lacertidae) OSCAR J....
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The hemipenial microornamentation of Algyroides marchi VAlVErdE, 1958 is described. it consists of crown-shaped tubercles, as in A. fitzingeri, but different from the spiniform tubercles of the Balkan species A. moreoticus and A. nigropunctatus. possible phylogenies and intrageneric relationships are discussed.
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Seven species of the rock lizard genus Iberolacerta are represented on the iberian Peninsula. These lizards are considered to be under threat of extinction, with Iberolacerta martinezricai (Arribas, 1996), being one of the most endangered reptiles in Europe. There is however, lack of knowledge about its conservation status, distribution and ecology...
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The name "lacerta Schreibersiana var B Lutea Gachet, 1832" forgotten during near two centuries, could endanger the name of Zootoca vivipara louislantzi Arribas, 2009, described 10 years ago. In the present article, we argue that there are several reasons to rule out "lutea" as a valid name. On the one hand, there is a remarkable contradiction that...

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