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20 results for “Hydrolagus”
FIGURE 4 in Hydrolagus matallanasi sp. nov. (Holocephali, Chimaeridae) a new species of rabbitfish from southern Brazil
FIGURE 4. Exposed oral surfaces of tooth plates of Hydrolagus matallanasi sp. nov., NUPEC 1785, paratype, female 352 mm PCL.
FIGURE 1 in Hydrolagus matallanasi sp. nov. (Holocephali, Chimaeridae) a new species of rabbitfish from southern Brazil
FIGURE 1. Hydrolagus matallanasi sp. nov., MOVI 24303, holotype, mature male 296 mm PCL. Drawing by Rafael de Alcantara Brandi.
FIGURE 3 in Hydrolagus matallanasi sp. nov. (Holocephali, Chimaeridae) a new species of rabbitfish from southern Brazil
FIGURE 3. Hydrolagus matallanasi sp. nov., MOVI 24303, holotype, mature male 296 mm PCL; left to right: frontal tenaculum and left pelvic clasper shown in dorsal and ventral view, respectively. Scale = 1 cm.
FIGURE 2 in Hydrolagus matallanasi sp. nov. (Holocephali, Chimaeridae) a new species of rabbitfish from southern Brazil
FIGURE 2. Lateral line canals of the head of Hydrolagus matallanasi sp. nov., MOVI 24303, holotype, mature male 296 mm PCL: Scale = 1 cm.
FIGURE 5 in A new species of chimaera, Hydrolagus melanophasma sp. nov. (Chondrichthyes: Chimaeriformes: Chimaeridae), from the eastern North Pacific
FIGURE 5. Distribution map of the eastern north Pacific region of Hydrolagus melanophasma sp. nov. Filled star is location of holotype collection, open star is location of paratype collection, filled circle is location of ROV video footage and filled triangles are locations of nontype specimen collection (SIO 68-89, SIO 65-435, LACM 37753-1). Map produced courtesy of Joseph Bizzarro (PSRC).
FIGURE 4 in A new species of chimaera, Hydrolagus melanophasma sp. nov. (Chondrichthyes: Chimaeriformes: Chimaeridae), from the eastern North Pacific
FIGURE 4. Photograph of a live specimen of Hydrolagus melanophasma sp. nov. at 1663.5 m in the Gulf of California from the 2003 MBARI ROV Tiburon surveys (36.757'N 111.454'W). © 2003 MBARI
FIGURE 1 in A new species of chimaera, Hydrolagus melanophasma sp. nov. (Chondrichthyes: Chimaeriformes: Chimaeridae), from the eastern North Pacific
FIGURE 1. Holotype of Hydrolagus melanophasma sp. nov., SIO 77-211, adult male, 926 mm TL, 577 mm BDL, collected in the Gulf of California.
FIGURE 3 in A new species of chimaera, Hydrolagus melanophasma sp. nov. (Chondrichthyes: Chimaeriformes: Chimaeridae), from the eastern North Pacific
FIGURE 3. Intraspecific comparison of head lateral line canals of Hydrolagus melanophasma sp. nov. A) Holotype (SIO 77-211) preopercular (POP) and oral (O) lateral line canals branch separately from the infraorbital (IO) canal. B) Paratype (LACM 39805-1) preopercular (POP) and oral (O) lateral line canals branch together from the infraorbital (IO) canal and share a short common branch.
FIGURE 2 in A new species of chimaera, Hydrolagus melanophasma sp. nov. (Chondrichthyes: Chimaeriformes: Chimaeridae), from the eastern North Pacific
FIGURE 2. Paratype of Hydrolagus melanophasma sp. nov., LACM 39805-1, adult male, 982 mm TL, 631 mm BDL, collected in U.S. waters West of Ensenada.
FIGURE 2 in Hydrolagus erithacus sp. nov. (Chimaeriformes: Chimaeridae), a new species of chimaerid from the southeastern Atlantic and southwestern Indian oceans
FIGURE 2. Sexual characters of adult Hydrolagus erithacus sp. nov. holotype including the (a) claspers (b) frontal tenaculum in lateral view (c) frontal tenaculum in dorsal view and (d) pre-pelvic tenaculum in ventral view. Scale bars = 5 mm (a), and 1 mm (b) - (d).
FIGURE 1 in Hydrolagus erithacus sp. nov. (Chimaeriformes: Chimaeridae), a new species of chimaerid from the southeastern Atlantic and southwestern Indian oceans
FIGURE 1. Photograph of the Hydrolagus erithacus holotype, SAIAB 200578, mature male, 1290 mm TL, 790 mm BDL. Scale bar = 5 cm.
FIGURE 3 in Hydrolagus erithacus sp. nov. (Chimaeriformes: Chimaeridae), a new species of chimaerid from the southeastern Atlantic and southwestern Indian oceans
FIGURE 3. Distribution of Hydrolagus erithacus sp. nov in the southeastern Atlantic and southwest Indian Oceans
FIGURE 3 in Hydrolagus erithacus sp. nov. (Chimaeriformes: Chimaeridae), a new species of chimaerid from the southeastern Atlantic and southwestern Indian oceans
FIGURE 3. Distribution of Hydrolagus erithacus sp. nov in the southeastern Atlantic and southwest Indian Oceans
FIGURE 2 in Hydrolagus erithacus sp. nov. (Chimaeriformes: Chimaeridae), a new species of chimaerid from the southeastern Atlantic and southwestern Indian oceans
FIGURE 2. Sexual characters of adult Hydrolagus erithacus sp. nov. holotype including the (a) claspers (b) frontal tenaculum in lateral view (c) frontal tenaculum in dorsal view and (d) pre-pelvic tenaculum in ventral view. Scale bars = 5mm (a), and 1mm (b)-(d).
FIGURE 1 in Hydrolagus erithacus sp. nov. (Chimaeriformes: Chimaeridae), a new species of chimaerid from the southeastern Atlantic and southwestern Indian oceans
FIGURE 1. Photograph of the Hydrolagus erithacus holotype, SAIAB 200578, mature male, 1290 mm TL, 790 mm BDL. Scale bar = 5 cm.
FIGURE 4 in Hydrolagus erithacus sp. nov. (Chimaeriformes: Chimaeridae), a new species of chimaerid from the southeastern Atlantic and southwestern Indian oceans
FIGURE 4. Maximum likelihood tree estimate using general-time reversible (GTR) + gamma model based on NADH2 sequence data of Hydrolagus erithacus and comparative species. GenBank accession numbers follow species names. Hydrolagus erithacus position indicated in bold; collection number follows GenBank accession number. * = holotype.
FIGURE 5 Hydrolagus mirabilis Collet, 1904 in Holocephalan (Chondrichthyes) dental plates with hypermineralized dentine as a substitute for missing teeth through developmental plasticity
FIGURE 5 Hydrolagus mirabilis Collet, 1904, μCT-scans. (a) Upper dentition in oral view, including anterior dental plate with ridges on the lingual surface of the dental plate. (b) Upper dentition rendered (Avizo) showing ovoids and rods of hypermineralized dentine in the both dental plates and tritoral pads on the posterior plate. (c) Oral view, with posterior dental plate cut away to show the posterior face of the anterior dental plate and lingual ridges. (d) and (e) Anterior dental plate, cut away to show section through developing ovoids (hypermineralized), surrounding trabecular dentine, sclerotic (hypermineralized) trabecular dentine and the ridges. The double-headed arrow in (e) indicates correspondence of developing ovoids and lingual ridges. (f) Anterior and posterior dental plates in symphyseal view, with opposing plates cut away to show the symphyseal face of the anterior plate and the ridges. Numbered arrows mark different regions of the plate as in Figures 2f, 3e and 4f. Abbreviations as in previous figures
FIGURE 4 Hydrolagus mirabilis Collet, 1904 in Holocephalan (Chondrichthyes) dental plates with hypermineralized dentine as a substitute for missing teeth through developmental plasticity
FIGURE 4 Hydrolagus mirabilis Collet, 1904, μCT-scans. (a) Upper dentition in oral view, including anterior dental plate with distinct ridges on the lingual surface of the dental plate. (b) Upper dentition rendered (Avizo) showing ovoids and rods of hypermineralized dentine (whitlockin) in both dental plates. Red arrowheads on the developing tritoral pad on the left side of the image showing ovoids being added to form the pad. (c) Upper dentition in oral view, with posterior dental plate cut away to show ridges on the anterior dental plate. (d) and (e) Anterior dental plate, cut away to show section through developing ovoids (hypermineralized), surrounding trabecular dentine, sclerotic (hypermineralized) trabecular dentine and the ridges. (f) Anterior and posterior dental plates in symphyseal view, with opposing plates cut away to show symphyseal face of the anterior plate and the ridges. Numbered arrows indicate different regions of the plate (as in Figures 2f and 3e). Abbreviations as in previous figures
FIGURE 4 in Hydrolagus erithacus sp. nov. (Chimaeriformes: Chimaeridae), a new species of chimaerid from the southeastern Atlantic and southwestern Indian oceans
FIGURE 4. Maximum likelihood tree estimate using general-time reversible (GTR) + gamma model based on NADH 2 sequence data of Hydrolagus erithacus and comparative species. GenBank accession numbers follow species names. Hydrolagus erithacus position indicated in bold; collection number follows GenBank accession number. * = holotype.
Figure 1 in Prevalence And Intensity Of Otodistomum Hydrolagi (Trematoda: Azygiidae) In Spotted Ratfish, Hydrolagus Colliei (Chondrichthyes: Chimaeridae) From The Coastal Waters Of British Columbia, Canada
Figure 1. Map of coastal British Columbia, Canada showing sample locations (solid dots) for Spotted Ratfish Hydrolagus colliei used in this study (west coast of Vancouver Island [WCVI] and Queen Charlotte Sound [QCS]).
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