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FIGURE 16 in Notes on shark and ray types at the South China Sea Fisheries Research Institute (SCSFRI) in Guangzhou, China

FIGURE 16. Ventral view of snout of the holotype of Springeria nanhaiensis SCSFRI S 04915 (subadult male 295 mm TL).

FIGURE 15 in Notes on shark and ray types at the South China Sea Fisheries Research Institute (SCSFRI) in Guangzhou, China

FIGURE 15. Dorsal view of the holotype of Springeria nanhaiensis SCSFRI S 04915 (subadult male 295 mm TL).

FIGURE 13 in Notes on shark and ray types at the South China Sea Fisheries Research Institute (SCSFRI) in Guangzhou, China

FIGURE 13. Ventral head view of the holotype of Bythaelurus immaculatus SCSFRI O 0094 (adult male ~708 mm TL).

FIGURE 18 in Notes on shark and ray types at the South China Sea Fisheries Research Institute (SCSFRI) in Guangzhou, China

FIGURE 18. Ventral view of snout of the holotype of Springeria stenosoma SCSFRI O 0065 (female 520 mm TL).

FIGURE 12 in Notes on shark and ray types at the South China Sea Fisheries Research Institute (SCSFRI) in Guangzhou, China

FIGURE 12. Lateral view of the holotype of Bythaelurus immaculatus SCSFRI O 0094 (adult male ~708 mm TL).

FIGURE 10 in Notes on shark and ray types at the South China Sea Fisheries Research Institute (SCSFRI) in Guangzhou, China

FIGURE 10. Lateral view of: A. holotype of Isistius labialis SCSFRI S 07257 (female 442 mm TL); B. Isistius brasiliensis (CSIRO H 5150–01, female 480 mm TL) from off Australia.

FIGURE 8 in Notes on shark and ray types at the South China Sea Fisheries Research Institute (SCSFRI) in Guangzhou, China

FIGURE 8. Lateral view of: A. holotype of Scymnodon niger SCSFRI S 07561 (female 482 mm TL); B. Zameus squamulosus (CSIRO H 2560–03, adult male ~500 mm TL) from Australia.

FIGURE 11 in Notes on shark and ray types at the South China Sea Fisheries Research Institute (SCSFRI) in Guangzhou, China

FIGURE 11. Holotype of Isistius labialis SCSFRI S 07257 (female 442 mm TL): A. anterior ventral view; B. dentition.

FIGURE 7 in Notes on shark and ray types at the South China Sea Fisheries Research Institute (SCSFRI) in Guangzhou, China

FIGURE 7. Lateral view of Centroscymnus coelolepis (CSIRO H 493, adult male 925 mm TL) from off southeastern Australia.

FIGURE 6 in Notes on shark and ray types at the South China Sea Fisheries Research Institute (SCSFRI) in Guangzhou, China

FIGURE 6. Lateral trunk denticles of the holotype of Centroscymnus macrops SCSFRI O 0150 (female 792 mm TL).

FIGURE 1 in Notes on shark and ray types at the South China Sea Fisheries Research Institute (SCSFRI) in Guangzhou, China

FIGURE 1. Holotype of Squalus acutirostris SCSFRI D 01562 (adult male 648 mm TL): A. lateral view; B. ventral head view; C. first dorsal fin; D. second dorsal fin.

FIGURE 3 in Notes on shark and ray types at the South China Sea Fisheries Research Institute (SCSFRI) in Guangzhou, China

FIGURE 3. Holotype of Centrophorus ferrugineus SCSFRI O 0094 (adult male 1044 mm TL): A. anterior lateral view; B. ventral head view; C. first dorsal fin; D. second dorsal fin.

FIGURE 5 in Notes on shark and ray types at the South China Sea Fisheries Research Institute (SCSFRI) in Guangzhou, China

FIGURE 5. Holotype of Centroscymnus macrops SCSFRI O 0150 (female 792 mm TL): A. lateral view; B. ventral view of head; C. dentition.

FIGURE 4 in Notes on shark and ray types at the South China Sea Fisheries Research Institute (SCSFRI) in Guangzhou, China

FIGURE 4. Lateral trunk denticles of the holotype of Centrophorus ferrugineus SCSFRI O 0094 (adult male 1044 mm TL).

opencc-by-4.0Dec 2020View details →

Early development of carbonate platform (Xisha Islands) in the northern South China Sea

<p>It contains data about the concentrations of Ca, Ti, Th, Zr, and the mineralogical compositions for the Xisha carbonate platform.</p>

Figure 6 in Morphology, morphogenesis, and molecular phylogeny of a new marine urostylid ciliate (Ciliophora, Stichotrichia) from the South China Sea, and a brief overview of the convergent evolution of the midventral pattern within the Spirotrichea

Figure 6. The maximum-likelihood (ML) tree inferred from the small subunit ribosomal RNA (SSU rRNA) gene sequences of 63 spirotrichous taxa, showing the position of Bergeriella ovata gen. et sp. nov. (boxed), and the phylogenetic relationships among the taxa possessing midventral cirral rows (i.e. urostylids s.l.; branches are depicted by thick lines, and species names are highlighted in bold text). Nodal support for branches in the ML, Bayesian inference (BI), and neighbour-joining (NJ) trees are marked in order. Bootstrap values lower than 50% and Bayesian posterior probabilities lower than 0.70 are replaced with hyphens. Clades with different topologies in the NJ tree relative to the ML and BI trees are indicated with asterisks. All branches are drawn to scale. The scale bar corresponds to five substitutions per 100 nucleotide positions. Phacodinium and Protocruzia were taken as out-group taxa.

Figure 3 in Morphology, morphogenesis, and molecular phylogeny of a new marine urostylid ciliate (Ciliophora, Stichotrichia) from the South China Sea, and a brief overview of the convergent evolution of the midventral pattern within the Spirotrichea

Figure 3. Ventral (A, C, E, G) and dorsal (B, D, F, H) views of Bergeriella ovata gen. et sp. nov. in morphogenesis (A–D) and regeneration (E–H), after impregnation with protargol. A, an early divider, showing the oral primordium (arrow) and fronto-ventral-transverse (FVT) anlagen (arrowhead) of the proter. The double arrowheads mark the anlagen for the nonmigratory row, which comes from the posteriormost FVT streak. B, the same specimen as shown in (A), showing the enlarged macronuclear nodules and the formation of the dorsal kinety anlagen (arrows). C, an individual at a late stage of division, with all cirri developed; note the structures that will respectively form the enlarged postoral ventral cirri (arrowheads) and the delicate left ventral cirri (arrows). The double arrowheads indicate the anlagen for the nonmigratory row. D, the differentiating marginal row (arrows) and dorsal kineties; note that the macronuclear nodules are separating. E, F, an early reorganizer, showing the oral primordium (arrow in E), FVT streak (arrowhead), nonmigratory row (double arrowheads) and dorsal kinety anlagen; the arrows in (F) indicate the anlagen for the right and left marginal rows, which are derived within the parental structure. G, H, a middle-stage reorganizer, with a further proliferation of kinetosomes, showing the first frontal cirrus (arrow in G) generated from the undulating membrane anlagen, the basal bodies developed from FVT streaks (arrowhead), the anlagen for the nonmigratory row (double arrowheads), and the anlagen for the right and left marginal rows (arrows in H). Abbreviations: DK, dorsal kineties; DKA, dorsal kinety anlagen. Scale bars: 40 Mm.

Figure 2 in Morphology, morphogenesis, and molecular phylogeny of a new marine urostylid ciliate (Ciliophora, Stichotrichia) from the South China Sea, and a brief overview of the convergent evolution of the midventral pattern within the Spirotrichea

Figure 2. Photomicrographs of Bergeriella ovata gen. et sp. nov. from life. A, ventral view of a specimen. B, C, ventral view of slender and fat forms; the arrow indicates the wide and bright oral field. D, lateral view. E, F, lateral (E) and dorsal (F) views, showing the distribution of the granules; the arrows mark the granule rows near the base of each marginal cirrus, the arrowheads point to the granule rows along with midventral rows, and the double arrowheads mark the granule bands in the gap between the somatic kineties. G, H, showing the cortical granules (arrows), the fibres associated with cirri (arrowheads), and a dorsal cilium (double arrowheads). I, focusing on the oral field; note the paroral membrane (arrowhead) and the endoral membrane (arrow). J, the cortical granules (arrow) near the base of marginal cirri. K, lateral view of the posterior portion; arrows point to the enlarged postoral ventral cirri. L, globular lipid droplets in the cytoplasm. Scale bars: 50 Mm.

Figure 1 in Morphology, morphogenesis, and molecular phylogeny of a new marine urostylid ciliate (Ciliophora, Stichotrichia) from the South China Sea, and a brief overview of the convergent evolution of the midventral pattern within the Spirotrichea

Figure 1. Bergeriella ovata gen. et sp. nov. drawn from life (A–C, E–F) and after impregnation with protargol (D, G–J). A, ventral view of a specimen. B, different body shapes. C, section of the ventral infraciliature, showing the fibres associated with the postoral ventral cirri (double arrowheads) and the obliquely arranged left ventral cirri (arrow). D, distribution of cortical granules (arrow) near the marginal cirri. E, F, distribution of the cortical granules on the ventral (E) and dorsal (F) sides; the arrow indicates the granules along the nonmigratory row, and the arrowheads point to the granular rows along the dorsal kineties. G, left lateral side view of the infraciliature. H–I, ventral (H) and dorsal (I) views of the infraciliature; note the enlarged postoral ventral cirri (dashed lines), the frontal cirri (dashed lines), and the three dorsal kineties (arrows). J, ventral view of an early divider; the arrow indicates the oral primordium of the proter, the arrowheads mark the old endoral membranes in dedifferentiation, and the double arrowhead points to the oral primordium of the opisthe. Abbreviations: AZM, adoral zone of membranelles; BC, buccal cirri; DK, dorsal kineties; EM, endoral membrane; FC, frontal cirri; LMR, left marginal row; LVR, left ventral rows; MVR, midventral rows; NMR, nonmigratory row; PM, paroral membrane; PVR, postoral ventral rows; RMR, right marginal row. Scale bars: 40 Mm (A–C, F–J); 15 Mm (E).

Figure 5 in Morphology, morphogenesis, and molecular phylogeny of a new marine urostylid ciliate (Ciliophora, Stichotrichia) from the South China Sea, and a brief overview of the convergent evolution of the midventral pattern within the Spirotrichea

Figure 5. Photomicrographs of regeneration in Bergeriella ovata gen. et sp. nov. after impregnation with protargol. A, B, ventral views of middle reorganizers, showing the oral primordium (arrow in A), fronto-ventral-transverse (FVT) anlagen (arrowheads), and the anlagen for the nonmigratory row (double arrowhead); the arrow in (B) points to the undulating membrane anlagen. C, a middle-stage reorganizer; the arrow marks the first frontal cirrus generated from the undulating membrane anlagen, and the arrowheads indicate the anlagen for the nonmigratory row. D, dorsal view of the same specimen, showing the anlagen for the left marginal row (arrow) and the dorsal kinety anlagen (arrowheads).