Find research datasets worth reusing

Figure 5 in Xenostrobus or Vignadula (Bivalvia: Mytilidae)? A taxonomic re-evaluation of small black mussels inhabiting the upper intertidal zone of the estuaries of Southeast Asia

Figure 5. Vignadula mangle (Ockelmann, 1983) comb. nov. Selected sequenced specimens from Indonesia (A, B), Malaysia (C, D, I–L) and Singapore (E–H). A, B, X4I, Surabaya, E. Java; LV, SL = 9.9 mm (ZRC.MOL.24045). C, D, XA MYKS 1219A, Kampong Bako, Sarawak (Borneo); LV, SL = 12.8 mm (ZRC.MOL.24021). E, F, X8, Punggol Point; LV, SL = 10.1 mm (ZRC. MOL.24054). G, H, MX2, Sembawang Park; LV, SL = 14.8 mm (ZRC.MOL.24046). I, J, XAJ 12, Sungei Punggur, Johor (Malacca Strait); LV, SL = 6.8 mm (ZRC.MOL.24015). K, L, XMJ 3, Sungei Punggur, Johor (Malacca Strait); LV, SL = 10.9 mm (ZRC.MOL.24019). See also Clade D in Figures 1–3.

Figure 4 in Xenostrobus or Vignadula (Bivalvia: Mytilidae)? A taxonomic re-evaluation of small black mussels inhabiting the upper intertidal zone of the estuaries of Southeast Asia

Figure 4. Vignadula atrata (Lischke, 1871). Sequenced specimens from Kyushu, Japan: A–H, Nagasaki; I–L, Kagoshima. A, B, XM NJ 0519; LV, SL = 11.2 mm (ZRC.MOL.24028). C, D, XNJ 0519A; LV, SL = 12.4 mm (ZRC.MOL.24029). E, F, XNJ 0519B; LV, SL = 10.6 mm (ZRC.MOL.24030). G, H, XNJ 0519C; LV, SL = 9.6 mm (ZRC.MOL.24031). I, J, XKJ 0519B; LV, SL = 8.0 mm (ZRC.MOL.24025). K, L, XKJ 0519C, SL = 6.6 mm (ZRC.MOL.24026). See also Clade C in Figures 1–3.

Figure 3 in Xenostrobus or Vignadula (Bivalvia: Mytilidae)? A taxonomic re-evaluation of small black mussels inhabiting the upper intertidal zone of the estuaries of Southeast Asia

Figure 3. Concatenated two-gene Bayesian inference/maximum likelihood tree based on COI and H3 sequences of mussels. For readability, some nodes on the branch tips have been omitted and the lengths of some branches truncated (marked by a double slash). Sequence codes with asterisks were obtained from specimens shown in Figures 4–7. Line and text colours correspond to the colour scheme used to differentiate the geographical distributions of the species represented in the clades A, B, C and D. For an explanation of sequence code abbreviations, see legend to Figure 1.

Figure 2 in Xenostrobus or Vignadula (Bivalvia: Mytilidae)? A taxonomic re-evaluation of small black mussels inhabiting the upper intertidal zone of the estuaries of Southeast Asia

Figure 2. Concatenated three-gene Bayesian inference/maximum likelihood tree based on COI, 28S D1R and H3 sequences of mussels from East Asia and Australasia, including additional sequences from GenBank. For readability, some nodes on the branch tips have been omitted and the lengths of some branches truncated (marked by a double slash). Sequence codes with asterisks were obtained from specimens shown in Figures 4–7. Line and text colours correspond to the colour scheme used to differentiate the geographical distributions of the species represented in the clades A, B, C and D. For an explanation of sequence code abbreviations, see legend to Figure 1.

Figure 1 in Xenostrobus or Vignadula (Bivalvia: Mytilidae)? A taxonomic re-evaluation of small black mussels inhabiting the upper intertidal zone of the estuaries of Southeast Asia

Figure 1. Concatenated four-gene Bayesian inference/maximum likelihood tree based on COI, ITS1, 28S D1R and H3 sequences of Xenostrobus mussels from East Asia and Australasia. Both 313 bp and full-length COI barcodes were used in the analysis. In several cases (e.g. SG X18 and SG X18-2; XTSW1 and XTSW1-2), two sequences from the same individual were incorporated into the analysis. For readability, some nodes on the branch tips have been omitted and the lengths of some branches truncated (marked by a double slash). Sequence codes with asterisks were obtained from specimens shown in Figures 4–7. Line and text colours correspond to the colour scheme used to differentiate the geographical distributions of the species represented in the clades A, B, C and D. Sequence code abbreviations: E Th, Gulf of Thailand; FJP, Fukuoka, Japan; GB, GenBank; HK, Hong Kong; Indon, Indonesia; J MY, Johor, Malaysia; JP, Japan; K EMY, Kuching, East Malaysia; K JP, Kagoshima, Japan; K TW, Kinmen, Taiwan; N JP, Nagasaki, Japan; P MY, Perak, Malaysia; SG, Singapore; S Indon, Surabaya, Indonesia; SW Th, south-west Thailand; Th, Thailand; Z Tan, Zanzibar, Tanzania.

FIGURE 1 in A new species of the genus Porirualia Huys & Mu, 2021 (Copepoda, Harpacticoida, Parastenheliidae) from the intertidal zone of Qingdao, China, with a key to species of the genus

FIGURE 1. Porirualia ngankeeae sp. nov., female: A, antennule, dorsal; B, habitus, Lateral. male: C, habitus, lateral. Scale bars: A = 20 μm, B–C = 100 μm.

FIGURE 4 in A new species of the genus Porirualia Huys & Mu, 2021 (Copepoda, Harpacticoida, Parastenheliidae) from the intertidal zone of Qingdao, China, with a key to species of the genus

FIGURE 4. Porirualia ngankeeae sp. nov., female: A, P1, anterior; B, P2, anterior. Scale bar = 50 μm.

FIGURE 7 in A new species of the genus Porirualia Huys & Mu, 2021 (Copepoda, Harpacticoida, Parastenheliidae) from the intertidal zone of Qingdao, China, with a key to species of the genus

FIGURE 7. Porirualia ngankeeae sp. nov., female: A, P5 baseoendopod, anterior; B, P5 exopod, anterior. male: C, P2 endopod, anterior; D, P3 endopod, anterior; E, P5, anterior; F, antennule, dorsal. Scale bars: A–D = 50 μm, E–F = 20 μm.

FIGURE 5 in A new species of the genus Porirualia Huys & Mu, 2021 (Copepoda, Harpacticoida, Parastenheliidae) from the intertidal zone of Qingdao, China, with a key to species of the genus

FIGURE 5. Porirualia ngankeeae sp. nov., female: A, P3, anterior; B, P4, anterior. Scale bar = 50 μm.

FIGURE 6 in A new species of the genus Porirualia Huys & Mu, 2021 (Copepoda, Harpacticoida, Parastenheliidae) from the intertidal zone of Qingdao, China, with a key to species of the genus

FIGURE 6. Porirualia ngankeeae sp. nov., male: A, urosome, dorsal; B, urosome, ventral. Scale bars = 100 μm.

FIGURE 2 in A new species of the genus Porirualia Huys & Mu, 2021 (Copepoda, Harpacticoida, Parastenheliidae) from the intertidal zone of Qingdao, China, with a key to species of the genus

FIGURE 2. Porirualia ngankeeae sp. nov., female: A, urosome, dorsal; B, urosome, ventral. Scale bars = 100 μm.

FIGURE 3 in A new species of the genus Porirualia Huys & Mu, 2021 (Copepoda, Harpacticoida, Parastenheliidae) from the intertidal zone of Qingdao, China, with a key to species of the genus

FIGURE 3. Porirualia ngankeeae sp. nov., female: A, antenna; B, labrum; C, mandible; D, maxillule; E, maxilla; F, maxilliped. Scale bars = 20 μm.

FIGURES 17–20 in Gyrosigma rostratum sp. nov. (Bacillariophyta) from the low intertidal zone, Xiamen Bay, southern China

FIGURES 17–20. Gyrosigma rostratum, sp. nov., internal views, SEM. 17–18. Two types of valve. 19. Detail of Fig. 17, showing helictoglossa, axial costa (arrow) more markedly developed on one side of raphe and apical pores (black arrow). 20. A detail of Fig. 17, showing central bars (arrows) and T-shaped proximal raphe endings. Scale bars = 10 μm (in Figs. 17–18), 1 μm (in Figs. 19–20).

FIGURES 2–11 in Gyrosigma rostratum sp. nov. (Bacillariophyta) from the low intertidal zone, Xiamen Bay, southern China

FIGURES 2–11. Gyrosigma rostratum, sp. nov., LM. 2. One cell with two girdle-appressed chloroplasts per cell. 3. Photograph of holotype specimen with discernable conopeum (arrow). 4. Photograph of isotype specimen with two discernable conopea (two arrows). 3–6. Four valves belonging to one type of valves, either epitheca or hypotheca. 7–11. Five valves belonging to the other type of valves, either epitheca or hypotheca. Scale bars = 10 μm (Figs. 3–11 are in the same scale).

FIGURE 1 in Gyrosigma rostratum sp. nov. (Bacillariophyta) from the low intertidal zone, Xiamen Bay, southern China

FIGURE 1. Map of study sites showing three low intertidal zones of sampling: ZCV= Zengcuo Village, YFV= Yefeng Village and HZC= Huizhan Center.

FIGURES 12–16 in Gyrosigma rostratum sp. nov. (Bacillariophyta) from the low intertidal zone, Xiamen Bay, southern China

FIGURES 12–16. Gyrosigma rostratum, sp. nov., external views, SEM. 12–13. Two types of valves (epitheca and hypotheca) with conopeum at each end (arrows), clockwise rotated raphe (12) and anticlockwise rotated raphe (13) in relation to apical axis. 14. Apex, showing noticeable conopeum, elongated narrow slits, round pores locating on the mantle (arrows), terminal raphe fissure, and five apical pores (black arrow). 15–16. Two central areas of epitheca and hypotheca, both with proximal raphe fissures turning in same direction (Fig. 15 central area of Fig. 12, Fig. 16 central area of Fig. 13). Scale bars = 10 μm (in Figs. 12–13), 1 μm (in Figs. 14–16).

FIGURES 16–18 in Gyrosigma xiamenense sp. nov. (Bacillariophyta) from the middle intertidal zone, Xiamen Bay, southern China

FIGURES 16–18. Gyrosigma xiamenense sp. nov., external views, SEM. 16. A whole valve, note that the raphe sternum has single curvature only. 17. Apex showing an isolated crescent of apical pores (three black arrowheads), terminal raphe fissure, round pores located on the mantle (three black arrows) and on the other side continuing up to the longitudinal middle line of the valve (three white arrows), and elongated narrow slits. 18. Central area, showing proximal raphe fissures turning first in opposite directions, then both final parts of the fissures run nearly parallel to the longitudinal striae. Peripheral stria condensation (three double-headed arrows), and round pores located on the mantle (three arrows). Scale bars = 20 μm (Fig. 16), 1 μm (Figs 17–18).

FIGURES 23–30 in Gyrosigma xiamenense sp. nov. (Bacillariophyta) from the middle intertidal zone, Xiamen Bay, southern China

FIGURES 23–30. Gyrosigma xiamenense sp. nov., SEM. 23–26. External views of four specimens, showing variation in central raphe fissure morphology. 27–30. Internal views of four specimens, showing variation in central raphe ending morphology. Scale bars = 2 μm (Figs 23–24), 1 μm (in Figs 25–30).

FIGURES 19–22 in Gyrosigma xiamenense sp. nov. (Bacillariophyta) from the middle intertidal zone, Xiamen Bay, southern China

FIGURES 19–22. Gyrosigma xiamenense sp. nov., internal views, SEM. 19. A whole valve, note that the raphe has single curvature only. 20. Apex, showing an isolated crescent of apical pores (three curved arrows), a row of areolae closest to the raphe sternum is capped by small projections (three arrows) on the primary side whilst these are absent on the secondary side. 21. Central area, showing thickened central bars with undulating outer edges. Proximal raphe endings club-shaped and wide, then the final parts of the two raphe endings form two T-shaped slits, each slit being separated from the club-shaped part by a tiny bridge (two arrows). There is a vermiform bar (curved arrow) in the middle of the nodule. 22. Central area, showing a row of areolae closest to the raphe sternum capped by small projections (four arrows), which continue up to the central bar on the primary side whilst on the secondary side these are absent. Scale bars = 20 μm (in Fig. 19), 1 μm (in Figs 20–22).

FIGURE 1 in Gyrosigma xiamenense sp. nov. (Bacillariophyta) from the middle intertidal zone, Xiamen Bay, southern China

FIGURE 1. Map of the study site showing the middle intertidal zone of sampling: DDI = Dadeng Island, YTV = Yangtang Village, CD = Caidian, HT = Houtian, JG = Jiageng, and YMC = Yuemeichi.