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Taylor and Francis Group, Zoology in the Middle East, 1(34), p. 27-34

DOI: 10.1080/09397140.2005.10638079

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Record of a black-coloured Natrix in northeastern Turkey, with comments on the validity of the Bigheaded Grass Snake, Natrix megalocephala Orlov & Tunijev, 1987

Journal article published in 2005 by David Jandzik ORCID
This paper is available in a repository.
This paper is available in a repository.

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Abstract

A specimen of “Natrix megalocephala” was found near Hopa in northeastern Turkey. The morphological characters are compared with other specimens of N. megalocephala and N. natrix scutata from Russia and Turkey and are discussed together with the diagnostic data from the original description of the species. The morphologically intermediate character of the investigated specimens confirms the previously published doubts about the validity of the weakly diagnosed taxon N. megalocephala. Kurzfassung Ein Exemplar von “Natrix megalocephala” wurde nahe von Hopa in der nordöstlichen Türkei gefunden. Morphologische Merkmale werden mit anderen Exemplaren von N. megalocephala sowie mit solchen von N. natrix scutata aus Russland und der Türkei verglichen und mit diagnostischen Daten aus der Originalbeschreibung der Art diskutiert. Der morphologisch intermediäre Charakter der untersuchten Exemplare bestätigt die vorher publizierten Zweifel über Validität des schwach diagnostizierten Taxons N. megalocephala.