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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.


Niphargusgebhardti, gpI = gnathopod I, gpII = gnathopod II.
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Figure 13: Niphargusgebhardti, gpI = gnathopod I, gpII = gnathopod II.

Mentions: Coxal plates. Coxal plate I width: depth as 1.00: 0.76 (0.6–0.9) of flattened rhomboid shape, antero-ventral corner subrounded; anterior and ventral margin of coxa I with 4–6 setae (Fig. 13). Coxal plate II width: depth as 1.00: 0.97 (0.83–1.21); anterior and ventral margin with 3–6 setae (Fig. 13). Coxal plate III width: depth as 1.00: 1.12 (1.05–1.2); along antero-ventral margin 4–6 setae. Coxal plate IV width: depth as 1.00: 1.04 (0.97–1.12); posteriorly concave; along antero-ventral margin 4–5 setae (Fig. 14). Coxal plates V-VI with well developed anterior lobe, and smaller posterior lobe with usually 2 setae (occasionally with 1 or 3) in postero-ventral corner. Coxal plate VII half-egg shaped, along posterior margin 2 setae. Gills II-VI ovoid, of approximately similar size as coxa VI (Fig. 15).


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)

Niphargusgebhardti, gpI = gnathopod I, gpII = gnathopod II.
© Copyright Policy - creative-commons-attribution
Related In: Results  -  Collection

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

Figure 13: Niphargusgebhardti, gpI = gnathopod I, gpII = gnathopod II.
Mentions: Coxal plates. Coxal plate I width: depth as 1.00: 0.76 (0.6–0.9) of flattened rhomboid shape, antero-ventral corner subrounded; anterior and ventral margin of coxa I with 4–6 setae (Fig. 13). Coxal plate II width: depth as 1.00: 0.97 (0.83–1.21); anterior and ventral margin with 3–6 setae (Fig. 13). Coxal plate III width: depth as 1.00: 1.12 (1.05–1.2); along antero-ventral margin 4–6 setae. Coxal plate IV width: depth as 1.00: 1.04 (0.97–1.12); posteriorly concave; along antero-ventral margin 4–5 setae (Fig. 14). Coxal plates V-VI with well developed anterior lobe, and smaller posterior lobe with usually 2 setae (occasionally with 1 or 3) in postero-ventral corner. Coxal plate VII half-egg shaped, along posterior margin 2 setae. Gills II-VI ovoid, of approximately similar size as coxa VI (Fig. 15).

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.