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110 results for “Potamonautes”
Figure 3. A in Disentangling the divergence and cladogenesis in the freshwater crab species (Potamonautidae: Potamonautes perlatus sensu lato) in the Cape Fold Mountains, South Africa, with the description of two novel cryptic lineages
Figure 3. A consensus Bayesian inference phylogram of Potamonautes perlatus s.l. from the combined nuDNA (28S rRNA) and mtDNA (cytochrome oxidase I and 16S rRNA) data sets as well as outgroups. Node support values are shown by maximum likelihood (ML) bootstrap values above and maximum parsimony (MP)/posterior probabilities of Bayesian inference (BI) below. Low bootstrap support (<75% for MP and ML) and posterior probability (<0.95 for BI) values are not shown. The * is indicative of nodes that are not statistically supported.
Figure 1. Sampling localities for Potamonautes perlatus s.l in Disentangling the divergence and cladogenesis in the freshwater crab species (Potamonautidae: Potamonautes perlatus sensu lato) in the Cape Fold Mountains, South Africa, with the description of two novel cryptic lineages
Figure 1. Sampling localities for Potamonautes perlatus s.l. along rivers occurring on the Cape Fold Mountains. The black circles with adjacent numbers represent localities (see Table 1 for names).
Figure 2. A in Disentangling the divergence and cladogenesis in the freshwater crab species (Potamonautidae: Potamonautes perlatus sensu lato) in the Cape Fold Mountains, South Africa, with the description of two novel cryptic lineages
Figure 2. A maximum likelihood (ML) phylogram of the combined mtDNA sequences for the phylogenetic reconstruction of Potamonautes perlatus s.l. The ML node support is shown by bootstrap values above each branch (only values above 75% are shown). The values below the branches are bootstrap values for maximum parsimony (MP)/posterior probabilities for Bayesian inference (BI; the * indicates no support). The numbers next to each taxon name represent the individual specimens; no numbering is given to taxa for which the entire population occurs on one branch.
Figure 4 in Neglected refugia of biodiversity: mountainous regions in Mozambique and Malawi yield two novel freshwater crab species (Potamonautidae: Potamonautes)
Figure 4. Potamonautes namuliensis sp. nov. male holotype, SAM A46796. A, left gonopod 1, anterior view; B, left gonopod 1 posterior view; C, left gonopod 2 anterior view. Scale bars = 10 mm.
Figure 3 in Neglected refugia of biodiversity: mountainous regions in Mozambique and Malawi yield two novel freshwater crab species (Potamonautidae: Potamonautes)
Figure 3. Potamonautes namuliensis sp. nov. Male holotype (carapace length = 21.55 mm) from Manho forest 1500 m a.s.l., Mount Namuli, Zambézia Province, central Mozambique SAM A46796. A, whole animal dorsal aspect; B, whole animal ventral aspect; C, cephalothorax, frontal aspect. Scale bars = 10 mm.
Figure 2. A Bayesian phylogram for the combined 12S in Neglected refugia of biodiversity: mountainous regions in Mozambique and Malawi yield two novel freshwater crab species (Potamonautidae: Potamonautes)
Figure 2. A Bayesian phylogram for the combined 12S rRNA + 16S rRNA + COI mtDNA sequence data. Statistical values above the nodes represent values for bootstrapping for maximum parsimony (MP). Values below each node represent the posterior probability (pP) values for the Bayesian analyses. Only bootstrap values> 70% and pP values> 0.95 are shown.
Figure 1. A in Neglected refugia of biodiversity: mountainous regions in Mozambique and Malawi yield two novel freshwater crab species (Potamonautidae: Potamonautes)
Figure 1. A map showing the three sample sites in central and northern Mozambique and the one sample site in southern Malawi where freshwater crabs were collected.
Figure 5 in Neglected refugia of biodiversity: mountainous regions in Mozambique and Malawi yield two novel freshwater crab species (Potamonautidae: Potamonautes)
Figure 5. Potamonautes mulanjeensis sp. nov. Male holotype (carapace length = 25.38 mm) Madzeka hut 1800 m a.s.l., Mount Mulanje (form B, Fig. 2), southern Malawi, SAM A46799. A, whole animal dorsal aspect; B, whole animal ventral aspect; C, cephalothorax, frontal aspect. Scale bars = 10 mm.
Figure 6 in Neglected refugia of biodiversity: mountainous regions in Mozambique and Malawi yield two novel freshwater crab species (Potamonautidae: Potamonautes)
Figure 6. Potamonautes mulanjeensis sp. nov. male holotype, SAM A46799. A, left gonopod 1, anterior view; B, left gonopod 1 posterior view. Scale bars = 10 mm.
FIGURE 3. Potamonautes macrobrachii Bott, 1953 in Redescriptions of three species of freshwater crabs from Angola, southern Africa (Brachyura: Potamoidea: Potamonautidae)
FIGURE 3. Potamonautes macrobrachii Bott, 1953, holotype, adult ♂ CW 32.9 mm, from Huamba Province, Angola (SMF 1892). Whole animal, dorsal view (A), whole animal, ventral view (B). Scale bars: A = 12.5 mm, B = 5.38 mm.
FIGURE 1. Potamonautes adeleae Bott, 1968 in Redescriptions of three species of freshwater crabs from Angola, southern Africa (Brachyura: Potamoidea: Potamonautidae)
FIGURE 1. Potamonautes adeleae Bott, 1968, paratype, adult ♂ CW 55.3 mm, from Lunda Norte Province, Angola (SMF 4444). Whole animal, dorsal view (A), whole animal, ventral view (B). Scale bars: A = 10.17 mm, B = 10 mm.
Figure 10 in Cryptic and widespread: a recipe for taxonomic misidentification in a freshwater crab species (Decapoda: Potamonautidae: Potamonautes sidneyi) as evident from species delimitation methods
Figure 10. Potamonautes Ʋalles sp. nov., male holotype (SAM-MB A 094482). A, left gonopod 1, anterior view; B, left gonopod 1 posterior view; C, left gonopod 2 anterior view; D, right third maxilliped. Scale bar represents 10 mm.
Figure 9 in Cryptic and widespread: a recipe for taxonomic misidentification in a freshwater crab species (Decapoda: Potamonautidae: Potamonautes sidneyi) as evident from species delimitation methods
Figure 9. Potamonautes Ʋalles sp. nov., male holotype (SAM-MB A 094482). A, major right cheliped; B, minor left cheliped. Scale bar represents 10 mm.
Figure 8 in Cryptic and widespread: a recipe for taxonomic misidentification in a freshwater crab species (Decapoda: Potamonautidae: Potamonautes sidneyi) as evident from species delimitation methods
Figure 8. Potamonautes Ʋalles sp. nov., male holotype (CL = 30.90 mm) (SAM-MB A094482) from Muilhuis section, Blyde River Canyon Nature Reserve, Mpumalanga Province, South Africa. A, whole animal dorsal aspect; B, whole animal ventral aspect; C, cephalothorax, frontal aspect. Scale bar represents 10 mm.
Figure 7 in Cryptic and widespread: a recipe for taxonomic misidentification in a freshwater crab species (Decapoda: Potamonautidae: Potamonautes sidneyi) as evident from species delimitation methods
Figure 7. Potamonautes karooensis sp. nov., male holotype (SAM-MB A094477) A, left gonopod 1, anterior view; B, left gonopod 1 posterior view; C, left gonopod 2 anterior view; D, right third maxilliped. Scale bar represents 10 mm.
Figure 6 in Cryptic and widespread: a recipe for taxonomic misidentification in a freshwater crab species (Decapoda: Potamonautidae: Potamonautes sidneyi) as evident from species delimitation methods
Figure 6. Potamonautes karooensis sp. nov., male holotype (SAM-MB A094477) A, major right cheliped; B, minor left cheliped. Scale bar represents 10 mm.
Figure 5 in Cryptic and widespread: a recipe for taxonomic misidentification in a freshwater crab species (Decapoda: Potamonautidae: Potamonautes sidneyi) as evident from species delimitation methods
Figure 5. Potamonautes karooensis sp. nov., male holotype (CL = 47.48 mm) (SAM-MB A094477) Erasmuskloof, Eastern Cape Province, South Africa. A, whole animal dorsal aspect; B, whole animal ventral aspect; C, cephalothorax, frontal aspect. Scale bar represents 10 mm.
Figure 4 in Cryptic and widespread: a recipe for taxonomic misidentification in a freshwater crab species (Decapoda: Potamonautidae: Potamonautes sidneyi) as evident from species delimitation methods
Figure 4. BEAST chronogram of the three concatenated mtDNA loci (16S rRNA, 12S rRNA + COI) dataset for all the described southern African Potamonautes species. Node bars show 95% highest posterior distributions for each divergence date estimate. The terminal labelled P. sp. nov., represents a yet undescribed species from Hogsback. Posterior probability values> 0.95 (PP) together with bootstrap values> 75% are shown above and below branches, respectively.
Figure 3 in Cryptic and widespread: a recipe for taxonomic misidentification in a freshwater crab species (Decapoda: Potamonautidae: Potamonautes sidneyi) as evident from species delimitation methods
Figure 3. Ultrametric BEAST tree phylogeny of the COI sequence data for the four Afrotropical genera: A, Potamonautes; B, Liberonautes; C, Nesonautes; D,
Figure 2. Maximum likelihood phylogenetic tree topology derived from the combined 16S in Cryptic and widespread: a recipe for taxonomic misidentification in a freshwater crab species (Decapoda: Potamonautidae: Potamonautes sidneyi) as evident from species delimitation methods
Figure 2. Maximum likelihood phylogenetic tree topology derived from the combined 16S rRNA + COI sequence data, demonstrating the evolutionary relationships within the P. sidneyi s.l. species complex. Statistical support for nodes is provided as posterior probability values above nodes (> 0.95 PP) and bootstrap values below nodes (> 75%). An * or # denotes nodal relationships that were not supported (<0.95 PP/ <75%). Potamonautes sidneyi s.s. (clade 3) localities are marked with a dark blue triangle, while P. danielsi (clade 5) localities are marked by an orange square. The two new species, P. karooensis, (clade 2) and P. Ʋalles (clade 4), are marked by a light-blue circle and a green diamond, respectively. Specimens of P. barbarai are confined to clade 1.
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