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Redescription of two subterranean amphipods Niphargusmolnari Méhely, 1927 and Niphargusgebhardti Schellenberg, 1934 (Amphipoda, Niphargidae) and their phylogenetic position.

Angyal D, Balázs G, Zakšek V, Krízsik V, Fišer C - Zookeys (2015)

Bottom Line: Using three independent molecular markers we showed that Niphargusgebhardti belongs to the clade distributed between Central and Eastern Europe, whereas phylogenetic relationship of Niphargusmolnari to the rest of Niphargus species is not clear.The two species from the Mecsek Mts. are phylogenetically not closely related.Both species need to be treated as vulnerable according to IUCN Red List of Threatened Species.

View Article: PubMed Central - HTML - PubMed

Affiliation: Department of Zoology, Hungarian Natural History Museum, Baross u. 13, 1088 Budapest, Hungary ; Doctoral School of Animal-and Agricultural Environmental Sciences, Department of Animal Sciences and Animal Husbandry, Georgikon Faculty, University of Pannonia, Deák Ferenc u. 16, 8360 Keszthely, Hungary.

ABSTRACT
A detailed redescription of two endemic, cave-dwelling niphargid species of the Hungarian Mecsek Mts., Niphargusmolnari Méhely, 1927 and Niphargusgebhardti Schellenberg, 1934 is given based on newly collected material. Morphology was studied under light microscopy and with scanning electon microscopy. Morphological descriptions are complemented with mitochondrial cytochrome c oxidase subunit I (COI) sequences as barcodes for both species and with notes on their ecology. Using three independent molecular markers we showed that Niphargusgebhardti belongs to the clade distributed between Central and Eastern Europe, whereas phylogenetic relationship of Niphargusmolnari to the rest of Niphargus species is not clear. The two species from the Mecsek Mts. are phylogenetically not closely related. Both species need to be treated as vulnerable according to IUCN Red List of Threatened Species.

No MeSH data available.


Niphargusmolnari, ppVI = pereopod VI, ppVII = pereopod VII, plpII = pleopod II.
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Figure 8: Niphargusmolnari, ppVI = pereopod VI, ppVII = pereopod VII, plpII = pleopod II.

Mentions: Pereopods V-VII. Proportions of pereopods V: VI: VII as 1.00: 1.4 (1.37–1.54): 1.5 (1.42–1.61). Pereopod VII length 47 (42–52)% of body length. Basis V-VII narrow with convex posterior margins. Basis V width is 70 (60–78)% of length, basis VI is 67 (59–76)% of length and basis VII is 66 (56–76)% of length. Basis V with small posterodistal lobe, posterior margin with 8-13 setae, anterior margin with 6-8 groups of setae. Dactylus V with one dorsal plumose seta, one spine-like seta at the base of the nail, and tiny seta near the spine-like seta (sometimes not visible or absent). Additional spiniform setae on posterior margin are absent (Fig. 7). Basis VI with small posteriodistal lobe, posterior margin with 9–14 setae, anterior margin with 6–10 setae. Dactylus VI with one dorsal plumose seta (sometimes not visible or absent), one spine-like seta at the base of the nail, and tiny seta near the spine-like seta (sometimes not visible or absent). Additional spiniform setae on posterior margin are absent (Fig. 8).


Redescription of two subterranean amphipods Niphargusmolnari Méhely, 1927 and Niphargusgebhardti Schellenberg, 1934 (Amphipoda, Niphargidae) and their phylogenetic position.

Angyal D, Balázs G, Zakšek V, Krízsik V, Fišer C - Zookeys (2015)

Niphargusmolnari, ppVI = pereopod VI, ppVII = pereopod VII, plpII = pleopod II.
© Copyright Policy - creative-commons-attribution
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4493343&req=5

Figure 8: Niphargusmolnari, ppVI = pereopod VI, ppVII = pereopod VII, plpII = pleopod II.
Mentions: Pereopods V-VII. Proportions of pereopods V: VI: VII as 1.00: 1.4 (1.37–1.54): 1.5 (1.42–1.61). Pereopod VII length 47 (42–52)% of body length. Basis V-VII narrow with convex posterior margins. Basis V width is 70 (60–78)% of length, basis VI is 67 (59–76)% of length and basis VII is 66 (56–76)% of length. Basis V with small posterodistal lobe, posterior margin with 8-13 setae, anterior margin with 6-8 groups of setae. Dactylus V with one dorsal plumose seta, one spine-like seta at the base of the nail, and tiny seta near the spine-like seta (sometimes not visible or absent). Additional spiniform setae on posterior margin are absent (Fig. 7). Basis VI with small posteriodistal lobe, posterior margin with 9–14 setae, anterior margin with 6–10 setae. Dactylus VI with one dorsal plumose seta (sometimes not visible or absent), one spine-like seta at the base of the nail, and tiny seta near the spine-like seta (sometimes not visible or absent). Additional spiniform setae on posterior margin are absent (Fig. 8).

Bottom Line: Using three independent molecular markers we showed that Niphargusgebhardti belongs to the clade distributed between Central and Eastern Europe, whereas phylogenetic relationship of Niphargusmolnari to the rest of Niphargus species is not clear.The two species from the Mecsek Mts. are phylogenetically not closely related.Both species need to be treated as vulnerable according to IUCN Red List of Threatened Species.

View Article: PubMed Central - HTML - PubMed

Affiliation: Department of Zoology, Hungarian Natural History Museum, Baross u. 13, 1088 Budapest, Hungary ; Doctoral School of Animal-and Agricultural Environmental Sciences, Department of Animal Sciences and Animal Husbandry, Georgikon Faculty, University of Pannonia, Deák Ferenc u. 16, 8360 Keszthely, Hungary.

ABSTRACT
A detailed redescription of two endemic, cave-dwelling niphargid species of the Hungarian Mecsek Mts., Niphargusmolnari Méhely, 1927 and Niphargusgebhardti Schellenberg, 1934 is given based on newly collected material. Morphology was studied under light microscopy and with scanning electon microscopy. Morphological descriptions are complemented with mitochondrial cytochrome c oxidase subunit I (COI) sequences as barcodes for both species and with notes on their ecology. Using three independent molecular markers we showed that Niphargusgebhardti belongs to the clade distributed between Central and Eastern Europe, whereas phylogenetic relationship of Niphargusmolnari to the rest of Niphargus species is not clear. The two species from the Mecsek Mts. are phylogenetically not closely related. Both species need to be treated as vulnerable according to IUCN Red List of Threatened Species.

No MeSH data available.