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256 results for “Niphargus”
Figure 4 in Niphargus fautor, new species from Greece (fam. Niphargidae) (Contribution to the Knowledge of the Amphipoda 299)
Figure 4. Niphargus fautor, sp. n., Glikorizo, Arta, Epirus, female 4.3 mm (holotype): A-B= pereopod 5; C-D= pereopod 6; E-F= pereopod 7.
Figure 3 in Niphargus fautor, new species from Greece (fam. Niphargidae) (Contribution to the Knowledge of the Amphipoda 299)
Figure 3. Niphargus fautor, sp. n., Glikorizo, Arta, Epirus, female 4.3 mm (holotype): A= labium; B= maxilla 2; C-D= pereopod 3; E-F= pereopod 4; G= epimeral plates 1-3.
Figure 2 in Niphargus fautor, new species from Greece (fam. Niphargidae) (Contribution to the Knowledge of the Amphipoda 299)
Figure 2. Niphargus fautor, sp. n., Glikorizo, Arta, Epirus, female 4.3 mm (holotype): A-B= gnathopod 1, outer face; C= distal corner of gnathopod 1 propodus, outer face [S= corner S-spine; L= lateral L-spines; R= subcorner R-spine, M= facial M-seta]; D-E= gnathopod 2, outer face; F= distal corner of gnathopod 2 propodus, inner face [S= corner Sspine; L= lateral L-spines; R= subcorner R-spine; M= facial M-setae].
Figure 1 in Niphargus fautor, new species from Greece (fam. Niphargidae) (Contribution to the Knowledge of the Amphipoda 299)
Figure 1. Niphargus fautor, sp. n., Glikorizo, Arta, Epirus, female 4.3 mm (holotype): A= head; B-C= antenna 1; D= aesthetasc on antenna 1; E= antenna 2; F= labrum; G= mandibular palpus, outer face [A= facial A-setae; D= marginal D-setae; E= distal E-setae]; F= labrum; H= right mandible with incisor, lacinia mobilis and rakers; I= maxilliped; J= uropod 3.
From darkness to twilight: Morphological divergence between cave and surface-subterranean ecotone Niphargus species
Open the record for dataset details and reuse information.
The interplay between habitat use, morphology and locomotion in subterranean crustaceans of the genus Niphargus
<p>Locomotion is an important, fitness-related functional trait. Environment selects for type of locomotion and shapes the morphology of locomotion-related traits such as body size and appendages. In subterranean aquatic arthropods, these traits are subjected to multiple, at times opposing selection pressures. Darkness selects for enhanced mechano- and chemosensory systems and hence elongation of appendages. Conversely, water currents have been shown to favor short appendages. However, no study has addressed the variation in locomotion of invertebrates inhabiting cave streams and cave lakes, or questioned the relationship between species' morphology and locomotion. To fill this knowledge gap, we studied the interplay between habitat use, morphology and locomotion in amphipods of the subterranean genus Niphargus. Previous studies showed that lake and stream species differ in morphology. Namely, lake species are large, stout and long-legged, whereas stream species are small, slender and short-legged. We here compared locomotion mode and speed between three lake and five stream species. In addition, we tested whether morphology predicts locomotion. We found that the stream species lie on their body sides and move using slow crawling or tail-flipping. The species inhabiting lakes move comparably faster, and use a variety of locomotion modes. Noteworthy, one of the lake species almost exclusively moves in an upright or semi-upright position that resembles walking. Body size and relative length of appendages predict locomotion mode and speed in all species. We propose that integrating locomotion in the studies of subterranean species might improve our understanding of their morphological evolution. </p>
Figure 23 in Phylogenetic analysis of the Niphargus orcinus species- aggregate (Crustacea: Amphipoda: Niphargidae) with description of new taxa
Figure 23. Niphargus polymorphus sp. n., holotype. Pereopods V–VII. Details of pereopod VII.
Figure 21 in Phylogenetic analysis of the Niphargus orcinus species- aggregate (Crustacea: Amphipoda: Niphargidae) with description of new taxa
Figure 21. Niphargus polymorphus sp. n., holotype. Gnathopod I (above) and gnathopod II (below).
Figure 20 in Phylogenetic analysis of the Niphargus orcinus species- aggregate (Crustacea: Amphipoda: Niphargidae) with description of new taxa
Figure 20. Niphargus polymorphus sp. n., holotype. Mouthparts.
Figure 19 in Phylogenetic analysis of the Niphargus orcinus species- aggregate (Crustacea: Amphipoda: Niphargidae) with description of new taxa
Figure 19. Niphargus lourensis sp. n., holotype. Pereopods V–VII. Details of pereopod VII.
Figure 17 in Phylogenetic analysis of the Niphargus orcinus species- aggregate (Crustacea: Amphipoda: Niphargidae) with description of new taxa
Figure 17. Niphargus lourensis sp. n., holotype. Gnathopod I (above) and gnathopod II (below).
Figure 16 in Phylogenetic analysis of the Niphargus orcinus species- aggregate (Crustacea: Amphipoda: Niphargidae) with description of new taxa
Figure 16. Niphargus lourensis sp. n., holotype. Mouthparts.
Figure 15 in Phylogenetic analysis of the Niphargus orcinus species- aggregate (Crustacea: Amphipoda: Niphargidae) with description of new taxa
Figure 15. Niphargus dabarensis sp. n., holotype. Pereopods V–VII. Details of pereopod VII.
Figure 13 in Phylogenetic analysis of the Niphargus orcinus species- aggregate (Crustacea: Amphipoda: Niphargidae) with description of new taxa
Figure 13. Niphargus dabarensis sp. n., holotype. Gnathopod I (above) and gnathopod II (below).
Figure 12 in Phylogenetic analysis of the Niphargus orcinus species- aggregate (Crustacea: Amphipoda: Niphargidae) with description of new taxa
Figure 12. Niphargus dabarensis sp. n., holotype. Mouthparts.
Figure 6. N in Phylogenetic analysis of the Niphargus orcinus species- aggregate (Crustacea: Amphipoda: Niphargidae) with description of new taxa
Figure 6. N. dolichopus sp. n. (above) and N. dabarensis sp. n. (below). Holotypes, lateral view.
Figure 9. N in Phylogenetic analysis of the Niphargus orcinus species- aggregate (Crustacea: Amphipoda: Niphargidae) with description of new taxa
Figure 9. N. dolichopus sp. n., holotype. Gnathopod I (above) and gnathopod II (below).
Figure 8. N in Phylogenetic analysis of the Niphargus orcinus species- aggregate (Crustacea: Amphipoda: Niphargidae) with description of new taxa
Figure 8. N. dolichopus sp. n., holotype. Mouthparts.
Figure 7. N in Phylogenetic analysis of the Niphargus orcinus species- aggregate (Crustacea: Amphipoda: Niphargidae) with description of new taxa
Figure 7. N. lourensis sp. n. (above) and N. polymorphus sp. n. (below). Holotypes, lateral view.
Supporting data for the article "Rediscovery and redescription of Niphargus enslini Karaman, 1932 (Amphipoda, Niphargidae) in southern Germany"
<p>This repository contains supporting data for the article "Rediscovery and redescription of <em>Niphargus enslini </em>Karaman, 1932 (Amphipoda, Niphargidae) in southern Germany".</p> <p>Included in this dataset are:</p> <p>- a zipped folder containing the COI chromatograms from this study (COI_chromatograms.zip);</p> <p>- a Sequencher 4.1 project file containing the COI chromatograms assembled into contigs (COI_chromatograms.SPF);</p> <p>- a FASTA alignment of the COI sequences including sequences from the litterature (COI_virei_enslini.fas);</p> <p>- a zipped folder containing the 28S chromatograms from this study (28S_chromatograms.zip);</p> <p>- a Sequencher 4.1 project file containing the 28S chromatograms assembled into contigs (28S_chromatograms.SPF);</p> <p>- a FASTA alignment of the 28S sequences including sequences from the litterature (28S_comprehensive_dataset.fas).</p>
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