Creator

Dmitry Sidorov

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Publication Date

April 2015

Keywords

Georgia, Biology

Description

Abstract: The Abkhazian region, in the southern foothills of the Caucasus Mountain Range, comprises a unique natural environment containing numerous subterranean habitats with relict and endemic lineages of obligate stygofauna. We aimed to assess the molecular phylogenetic relationships ofTyphlogammaridae species from Balkan and Transcaucasian caves using the mitochondrial cytochrome c oxidase I (COI) in hopes of discovering previously undetected biodiversity. Our results showed molecular divergence within the genus ZenkevitchiaBirstein, with two distinct groups located in the karstic regions Gudauta-Sukhumi and Gulripshi, respectively. These data indicated the existence of a new species (sequence divergences between groups of 14.3%) within the hitherto monotypic genus Zenkevitchiaand allowed us to estimate the taxonomic relationship between Zenkevitchia admirabilisand Z. yakovi sp. n., based on examined morphological features and molecular phylogenetic relationships. We were unable to detect reliable morphological differences between Z. yakovi sp. n.and Z. admirabilis, highlighting the cryptic nature of the new species and the value of inclusion of molecular data in taxonomic studies. Keywords: Amphipoda, Zenkevitchia, molecular identification, cytochrome coxidase I, Transcaucasia Open Access See Extended description for more information.

Subject: topical

Biology

Subject: geographic

Georgia

Type

Article

Genre

Article; serial

Identifier

K26-03710

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