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31 results for “Typhlogammaridae”
Figure 5 in Zenkevitchia karamani, a distinct new species of admirabilis-group (Crustacea: Amphipoda: Typhlogammaridae) from Abkhazia
Figure 5. Zenkevitchia karamani, sp. n., male, 16.0 mm, holotype X45055/Cr-1824-FEFU: (A) pereopod 3; (B) pereopod 4; (C) pereopod 5; (D) pereopod 6; (E) pereopod 7. Scale bar 0.4 mm.
Data from: Shedding light on a cryptic cavernicole: a second species of Zenkevitchia Birstein (Crustacea: Amphipoda: Typhlogammaridae) discovered via molecular techniques
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 of Typhlogammaridae 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 Zenkevitchia Birstein, 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 Zenkevitchia and allowed us to estimate the taxonomic relationship between Zenkevitchia admirabilis and 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.
Data from: Shedding light on a cryptic cavernicole: a second species of Zenkevitchia Birstein (Crustacea: Amphipoda: Typhlogammaridae) discovered via molecular techniques
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Figure 7 from: Sidorov DA, Gontcharov AA, Palatov DM, Taylor SJ, Semenchenko AA (2015) Shedding light on a cryptic cavernicole: A second species of Zenkevitchia Birstein (Crustacea: Amphipoda: Typhlogammaridae) discovered via molecular techniques. Subterranean Biology 15: 37-55. https://doi.org/10.3897/subtbiol.15.4872
Figure 7 - Zenkevitchia yakovi sp. n.: paratype, female (8.5 mm), X43383/Cr-1614-FEFU. A Gnathopod 1, medial view B Enlarged palmar part of gnathopod 1 C Gnathopod 2, medial view D Enlarged palmar part of gnathopod 2 E Metasome and urosome, lateral view F, G Uropods 1 and 2, dorsal views H Uropod 3, ventral view I Telson, dorsal view.
Figure 8 from: Sidorov DA, Gontcharov AA, Palatov DM, Taylor SJ, Semenchenko AA (2015) Shedding light on a cryptic cavernicole: A second species of Zenkevitchia Birstein (Crustacea: Amphipoda: Typhlogammaridae) discovered via molecular techniques. Subterranean Biology 15: 37-55. https://doi.org/10.3897/subtbiol.15.4872
Figure 8 - Habitat of Zenkevitchia yakovi sp. n. in the Sredne-Shakuranskaya cave, South Caucasus. One of the authors (DMP) sampling amphipods in the cave rivulet.
Figure 6 from: Sidorov DA, Gontcharov AA, Palatov DM, Taylor SJ, Semenchenko AA (2015) Shedding light on a cryptic cavernicole: A second species of Zenkevitchia Birstein (Crustacea: Amphipoda: Typhlogammaridae) discovered via molecular techniques. Subterranean Biology 15: 37-55. https://doi.org/10.3897/subtbiol.15.4872
Figure 6 - Zenkevitchia yakovi sp. n.: holotype, male (10.0 mm), X43382/Cr-1613-FEFU. A, C, E, G, I Pereopods 3–7, lateral views B, D, F, H, J Enlarged dactyli of pereopods 3–7, lateral views.
Figure 5 from: Sidorov DA, Gontcharov AA, Palatov DM, Taylor SJ, Semenchenko AA (2015) Shedding light on a cryptic cavernicole: A second species of Zenkevitchia Birstein (Crustacea: Amphipoda: Typhlogammaridae) discovered via molecular techniques. Subterranean Biology 15: 37-55. https://doi.org/10.3897/subtbiol.15.4872
Figure 5 - Zenkevitchia yakovi sp. n.: holotype, male (10.0 mm), X43382/Cr-1613-FEFU. A Maxilliped, ventral view B, C Enlarged outer and inner plates of maxilliped, ventral view D Enlarged inner plate of maxilliped, dorsal view E Left maxilla 1, dorsal view F Enlarged outer plate of maxilla 1 G Palp of right maxilla 1, dorsal view H Maxilla 2, dorsal view.
Figure 4 from: Sidorov DA, Gontcharov AA, Palatov DM, Taylor SJ, Semenchenko AA (2015) Shedding light on a cryptic cavernicole: A second species of Zenkevitchia Birstein (Crustacea: Amphipoda: Typhlogammaridae) discovered via molecular techniques. Subterranean Biology 15: 37-55. https://doi.org/10.3897/subtbiol.15.4872
Figure 4 - Zenkevitchia yakovi sp. n.: holotype, male (10.0 mm), X43382/Cr-1613-FEFU. A Head, lateral view B, C Antenna 1 and 2, lateral views D Labium, ventral view E Labrum, anterior view F, G Left and right mandibles, medial views H Epimeral plates 1–3, lateral views I pleopod 2, medial view J Coupling setae (retinacula), medial view.
Figure 1 from: Sidorov DA, Gontcharov AA, Palatov DM, Taylor SJ, Semenchenko AA (2015) Shedding light on a cryptic cavernicole: A second species of Zenkevitchia Birstein (Crustacea: Amphipoda: Typhlogammaridae) discovered via molecular techniques. Subterranean Biology 15: 37-55. https://doi.org/10.3897/subtbiol.15.4872
Figure 1 - Unrooted maximum-likelihood cladogram with bootstrap probabilities based on the mitochondrial cytochrome c oxidase I (COI) sequences for representatives of species within the family Typhlogammaridae. Specimen labels refer to information given in Table 2. Scale bar indicates the number of substitutions per site.
Figure 3 from: Sidorov DA, Gontcharov AA, Palatov DM, Taylor SJ, Semenchenko AA (2015) Shedding light on a cryptic cavernicole: A second species of Zenkevitchia Birstein (Crustacea: Amphipoda: Typhlogammaridae) discovered via molecular techniques. Subterranean Biology 15: 37-55. https://doi.org/10.3897/subtbiol.15.4872
Figure 3 - Zenkevitchia yakovi sp. n.: holotype, male (10.0 mm), X43382/Cr-1613-FEFU. A Gnathopod 1, lateral view B Enlarged palmar part of gnathopod 1 C Gnathopod 2, lateral view D Enlarged palmar part of gnathopod 2 E, F, G Uropods 1–3, dorsal views H Telson, dorsal view.
Figure 2 from: Sidorov DA, Gontcharov AA, Palatov DM, Taylor SJ, Semenchenko AA (2015) Shedding light on a cryptic cavernicole: A second species of Zenkevitchia Birstein (Crustacea: Amphipoda: Typhlogammaridae) discovered via molecular techniques. Subterranean Biology 15: 37-55. https://doi.org/10.3897/subtbiol.15.4872
Figure 2 - Photograph of live specimen of Zenkevitchia yakovi sp. n. in the cave "Istočnik Tcebel'da", from right side. Photography by A. Korotaev.
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