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64 results for “Dotillidae”
FIGURE 7. Dotilla fraternalis n in On the two 'forms' of Dotilla intermedia De Man, 1888 (Crustacea: Brachyura Dotillidae) from the Bay of Bengal, India, with description of a new species
FIGURE 7. Dotilla fraternalis n. sp., holotype, male (CW 7.9 mm, CL 5.9 mm) (ZSI-C7125/2), Digha, West Bengal. A, pleon; D, spoon tipped seta of inner margin of merus of second maxilliped. Dotilla intermedia De Man, 1888 male (CW 9.6 mm, CL 7.9 mm) (ZSI-C7963/2), Digha, West Bengal. B, pleon; E, spoon tipped setae of inner margin of merus of second maxilliped. Dotilla clepsydrodactylus Alcock, 1900, lectotype, male (CW 6.5 mm, CL 5.0 mm) (ZSI 438–45/7), False Point, Odisha. C, pleon.
FIGURE 2 in On the two 'forms' of Dotilla intermedia De Man, 1888 (Crustacea: Brachyura Dotillidae) from the Bay of Bengal, India, with description of a new species
FIGURE 2. Dotilla intermedia De Man, 1888 paralectotype, male (CW 4.2 mm, CL 3.5 mm) (ZSI-C8236/6), Sullivan I., Mergui Archipelago. A, habitus, dorsal view; B, frontal view; C, right chela, outer view; D, thoracic sternum and pleon, ventral view.
FIGURE 6. Dotilla fraternalis n in On the two 'forms' of Dotilla intermedia De Man, 1888 (Crustacea: Brachyura Dotillidae) from the Bay of Bengal, India, with description of a new species
FIGURE 6. Dotilla fraternalis n. sp., holotype, male (CW 7.9 mm, CL 5.9 mm) (ZSI-C7125/2), Digha, West Bengal. A, habitus, dorsal view; B, frontal view; C, right chela, outer view; D, thoracic sternum and pleon, ventral view.
FIGURE 7. A in Taxonomy of the sand bubbler crabs Scopimera globosa De Haan, 1835, and S. tuberculata Stimpson, 1858 (Crustacea: Decapoda: Dotillidae) in East Asia, with description of a new species from the Ryukyus, Japan
FIGURE 7. A minimum evolution (ME) tree (left) and maximum parsimony (MP) tree (right) of the Scopimera species from East Asia and Dotilla, based on 658 basepairs of the cytochrome oxidase I genes. Probability values at the nodes represent confidence values for ME (left), MP, Bayesian inference (BI) and maximum likelihood (ML) (right). For haplotype names see Table 1. Species name and locality are behind each haplotype name.
FIGURE 3 in Taxonomy of the sand bubbler crabs Scopimera globosa De Haan, 1835, and S. tuberculata Stimpson, 1858 (Crustacea: Decapoda: Dotillidae) in East Asia, with description of a new species from the Ryukyus, Japan
FIGURE 3. Scopimera globosa De Haan, 1835: G1 entire view (a), tip (b) and magnification of setae (c); S. intermedia Balss, 1934: G1 entire view (d), tip (e) and magnification of setae (f); S. ryukyuensis sp. nov.: G1 entire view (g), tip (h) and tip observed under light microscope (i). Scale bars in µm.
FIGURE 2 in Taxonomy of the sand bubbler crabs Scopimera globosa De Haan, 1835, and S. tuberculata Stimpson, 1858 (Crustacea: Decapoda: Dotillidae) in East Asia, with description of a new species from the Ryukyus, Japan
FIGURE 2. Scopimera globosa De Haan, 1835: chela (a) and male abdomen (b); S. intermedia Balss, 1934: chela (c) and male abdomen (d); S. ryukyuensis sp. nov.: chela (e) and male abdomen (f). a, c, e: arrow pointing tooth at inner margin of movable finger: that of S. intermedia Balss, 1934, being most rudimentary. b, d, f: large arrows showing dimensions of the sixth abdominal somite and small arrow indicating the convexity of distal border of the fourth somite.
FIGURE 1 in Taxonomy of the sand bubbler crabs Scopimera globosa De Haan, 1835, and S. tuberculata Stimpson, 1858 (Crustacea: Decapoda: Dotillidae) in East Asia, with description of a new species from the Ryukyus, Japan
FIGURE 1. Scopimera globosa De Haan, 1835: dorsal view of carapace (a) and suborbital ridge and pterygostomian region (b); S. intermedia Balss, 1934: dorsal view of carapace (c) and suborbital ridge and pterygostomian region (d); S. ryukyuensis sp. nov.: dorsal view of carapace (e) and suborbital ridge and pterygostomian region (f). a, c, e: note arrow highlighting relative size of extra-orbital angle and solid line indicating direction of ridge behind the extra-orbital angle (which is diagnostic between S. ryukyuensis sp. nov. and S. globosa). b, d, f: arrow noting raised branchial region viewed from front in S. ryukyuensis sp. nov. (e) and relative conspicuousness of sub-orbital ridge: that of S. ryukyuensis sp. nov. being most pronounced.
FIGURE 5 in Taxonomy of the sand bubbler crabs Scopimera globosa De Haan, 1835, and S. tuberculata Stimpson, 1858 (Crustacea: Decapoda: Dotillidae) in East Asia, with description of a new species from the Ryukyus, Japan
FIGURE 5. Photographs in life Scopimera ryukyuensis sp. nov. (a–e): dorsal view (a), frontal view (b) and ventral view (c) of male and dorsal view (d) and frontal view (e) of female. External architecture of burrow at Sedake, Okinawa, the Ryukyus (f).
FIGURE 4 in Taxonomy of the sand bubbler crabs Scopimera globosa De Haan, 1835, and S. tuberculata Stimpson, 1858 (Crustacea: Decapoda: Dotillidae) in East Asia, with description of a new species from the Ryukyus, Japan
FIGURE 4. Photographs in life (a–e). Scopimera globosa De Haan, 1835: male frontal view (a) and dorsal view (b); S. intermedia Balss, 1934: male frontal view (c) and dorsal view (d); and S. ryukyuensis sp. nov.: male frontal view (e) and close-up of external maxillipeds from preserved specimens, showing ring-like marking on merus (f).
FIGURE 6 in Taxonomy of the sand bubbler crabs Scopimera globosa De Haan, 1835, and S. tuberculata Stimpson, 1858 (Crustacea: Decapoda: Dotillidae) in East Asia, with description of a new species from the Ryukyus, Japan
FIGURE 6. Dorsal view of the neotype of Scopimera tuberculata Stimpson, 1858. A male (cw 9.9 mm, cl 7.6 mm) (CBM-ZC 4195) deposited in Natural History Museum and Institute, Chiba, Japan.
FIGURE 9. A in Two new species of sand-bubbler crabs, Scopimera, from North China and the Philippines (Crustacea: Decapoda: Dotillidae)
FIGURE 9. A Bayesian inference (BI) tree of the Scopimera species from East and Southeast Asia, based on the COI gene. Support values for BI, maximum likelihood (ML) and maximum parsimony (MP) are represented at the nodes. The haplotypes are shown as the accession numbers, with the localities and species behind.
FIGURE 1 in Two new species of sand-bubbler crabs, Scopimera, from North China and the Philippines (Crustacea: Decapoda: Dotillidae)
FIGURE 1. Scopimera sheni sp. nov.: (a) dorsal surface of carapace; (b) left external maxilliped; (c) right chela; (d) male abdomen; (e) female abdomen. Scopimera globosa De Haan, 1835: (f) dorsal surface of carapace; (g) male abdomen.
FIGURE 6. G1 in Two new species of sand-bubbler crabs, Scopimera, from North China and the Philippines (Crustacea: Decapoda: Dotillidae)
FIGURE 6. G1 of Scopimera philippinensis sp. nov. (a, b); G1 of Scopimera curtelsona Shen, 1936 (c, d).
FIGURE 5 in Two new species of sand-bubbler crabs, Scopimera, from North China and the Philippines (Crustacea: Decapoda: Dotillidae)
FIGURE 5. Scopimera philippinensis sp. nov.: (a) dorsal surface of carapace; (b) right external maxilliped; (c) right chela; (d) male abdomen. Scopimera curtelsona (= S. curtelsoma) Shen, 1936: (e) dorsal surface of carapace; (f) left chela; (g) male abdomen.
FIGURE 7 in Two new species of sand-bubbler crabs, Scopimera, from North China and the Philippines (Crustacea: Decapoda: Dotillidae)
FIGURE 7. In-situ photograph of Scopimera philippinensis sp. nov.: (a) dorsal view; (b) frontal view. (Photo credit: D.K.H. Lo).
FIGURE 6 in Tropical sand-bubblers heading north? First discovery of Scopimera curtelsona Shen, 1936 (Crustacea: Decapoda: Dotillidae) populations in Hong Kong: possible range expansion from Hainan, China
FIGURE 6. Time-series in annual mean sea surface temperatures in Hong Kong and Hainan obtained from Huang et al. (2015). The left dashed line represents the year (1936) when Scopimera curtelsona was described by C.-J. Shen based on material from Hainan, while the right dashed line represents the year (2013) when a population of S. curtelsona was found in Shui Hau, Hong Kong.
FIGURE 5 in Tropical sand-bubblers heading north? First discovery of Scopimera curtelsona Shen, 1936 (Crustacea: Decapoda: Dotillidae) populations in Hong Kong: possible range expansion from Hainan, China
FIGURE 5. Scanning electron micrographs of the second maxillipedal setae of (a) Scopimera curtelsona, (b) S. intermedia and (c) Dotilla wichmanni. Graph (d) showing the variation in spoon-tip size against body size among the three species.
FIGURE 3 in Tropical sand-bubblers heading north? First discovery of Scopimera curtelsona Shen, 1936 (Crustacea: Decapoda: Dotillidae) populations in Hong Kong: possible range expansion from Hainan, China
FIGURE 3. Scopimera curtelsona, male (10.1 × 7.0 mm, SWIMS-CRU-16-002, Lung Mei): (a) carapace, dorsal view; (b) left third maxilliped, external view; (c) left chela, external view; (d) male pleon; (e) left G1, mesial view, (f) tip of left G1, ventral view.
FIGURE 4 in Tropical sand-bubblers heading north? First discovery of Scopimera curtelsona Shen, 1936 (Crustacea: Decapoda: Dotillidae) populations in Hong Kong: possible range expansion from Hainan, China
FIGURE 4. Sediment characteristics (a) and dotillid density (b) on the shore in Shui Hau, Hong Kong, where Scopimera intermedia, S. curtelsona and Dotilla wichmanni coexist. H = high (~ 2.1 m + C.D.), M = mid (~ 1.8 m + C.D.) and L = low tidal height (~ 1.5 m + C.D.). n = 6 replicates for sediment characteristics and n = 8 replicates for crab density along each height. Error bars are SE. No D. wichmanni were found along the high shore during the survey in 2013. Pie charts show the relative abundance of the three dotillids along each height during the qualitative sampling in 2018 (white = S. intermedia, black = S. curtelsona, grey = D. wichmannii), numbers next to the charts are total number of crabs collected along each tidal height.
FIGURE 2 in Tropical sand-bubblers heading north? First discovery of Scopimera curtelsona Shen, 1936 (Crustacea: Decapoda: Dotillidae) populations in Hong Kong: possible range expansion from Hainan, China
FIGURE 2. Live colouration of Scopimera curtelsona Shen, 1936: (a) male, Shui Hau, Hong Kong; (b) male, Lung Mei, Hong Kong (SWIMS-CRU-16-002).
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