Scapholeberis kingi Sars, 1888
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publication ID |
https://doi.org/ 10.5281/zenodo.214313 |
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DOI |
https://doi.org/10.5281/zenodo.5680404 |
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persistent identifier |
https://treatment.plazi.org/id/03B687AA-FFBF-5A4B-25DC-980FFC35FA42 |
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treatment provided by |
Plazi |
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scientific name |
Scapholeberis kingi Sars, 1888 |
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3. Scapholeberis kingi Sars, 1888
Fig. 5 View FIGURE 5
Synonymy. Scapholeberis kingi Sars, 1888 , p. 68; Chiang & Du, 1979, p. 145–146, Fig. 97; Dumont & Pensaert 1983, p. 24–25, Fig. 2 View FIGURE 2 : 3; Fig. 4 View FIGURE 4 : 4; Fig. VI: 1–2; Pl. 1: 8; Pl. 2: 4; Pl. 3: 5, 7, 9; Pl. 4: 1–7; Pl. 5: 1–2, 4; Fig. 10 View FIGURE 10 : 3; Pl. 6: 6–8; Fig. 12 View FIGURE 12 Fig. 21 View FIGURE 21 : 4; Kotov et al. 2011a, p. 405.
Scapholeberis kingi n.sp. in Sars 1903, p. 8–10, Pl. 1: figs 2a–c.
Scapholeberis rammneri Dumont & Pensaert in Yoon 2010, p. 64–66, Fig. 34.
Type locality. “South Creek and Paramatta, New South Wales, Australia ” ( Dumont & Pensaert 1983).
Localities in Korea. 3, 5, 6a–b, 7a–b, 8, 9, 10, 13, 14 (see Fig. 1 and Table 1 View TABLE 1 ).
Parthenogenetic female. Brownish in colour. Body with dorsal margin interrupted by a cervical incision, postero-dorsal angle well-expressed, posterion margin slightly convex, postero-ventral angle with a strong spine - mucro, which is of 0.2 of valve length ( Fig. 5 View FIGURE 5 A). Head rather large, lacking a horn, rostrum trilobate in ventral view ( Fig. 5 View FIGURE 5 B), middle lobe with "a hyaline membrane in front" in terminology of Dumont & Pensaert (1983), compound eye very large, occupies distalmost portion of head ( Fig. 5 View FIGURE 5 A). A ridge departs from the insertion of the second antenna and extends to the side of the head—seen frontally, it appear as a pair of shallow depressions, "auricles" in terminology of Dumont & Pensaert (1983). An elongate frontal head pore on the rostrum ( Fig. 5 View FIGURE 5 B, arrow). Valves with reticulations as vertical lines near the posterior margin. A projection on ventral valve margin before the system of setae located on a flat portion, "sucker-plate" in terminology of Dumont & Pensaert (1983). A broad hyaline membrane extends beyond the posterior valve rim ( Fig. 5 View FIGURE 5 –D). Postabdomen slightly widened distally, preanal margin long, preanal angle obtuse, anal margin straight, postanal angle not expressed, postanal margin very short ( Fig. 5 View FIGURE 5 E). About 3–5 single postanal teeth, followed by clusters of spinules proximally (on anal margin), numerous series of minute setules laterally ( Fig. 5 View FIGURE 5 F). In distal dorsal external pecten 2–4 proximalmost denticles specially strong and sparsely located. First antenna short, with antennular sensory seta and 9 terminal aesthetascs ( Fig. 5 View FIGURE 5 G). Antenna II long, antennal formula: setae 0-1-3/1-1-3 ( Fig. 5 View FIGURE 5 H). Limb I as shown in Fig. 5 View FIGURE 5 I. Other limbs not studied. Size in our material 0.5–1.0 mm.
Notes. According to Dumont & Pensaert (1983), this taxon is distributed in Australia, SE Asia, India, Middle East and Africa. It is known from the Far East of Russia ( Kotov et al. 2011b), China ( Chiang & Du 1979) and Japan ( Mizuno & Takahashi 1991), so its presence in Korea was expected. Yoon (2010) described S. mucronata ( O. F. Müller, 1776) and S. rammneri Dumont & Pensaert, 1983 from Korea, but we did not see these species in our samples. Probably this author misidentified S. kingi as S. rammneri . Unfortunately, descriptions and illustrations by Kim (1988), Kim & Yoon (1987) and Yoon (2010) do not allow us to assign their " S. mucronata " to any species, because most taxonomically important characters were not mentioned.
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