Information from the abstract
Dicharax feuangensis Jirapatrasilp & Inkhavilay sp. nov. Fig. 8 Type material. Holotype. Laos • 1 shell. SH = 1.0 mm, SW = 1.9 mm; Vientiane Province, Feuang District, unnamed limestone hill (loc. MF 1); 18°40'29.2"N, 102°02'18.4"E; 320 m a. s. l.; 7 Oct. 2024; leg. CU - NUOL expedition team; CUMZ 14483 (Fig. 8 A). Paratypes. Laos • 1 shell; same data as for holotype; CUMZ 14484 (Fig. 8 B). Diagnosis. Shell lenticular, depressed-conical. Spire ~ 1 / 5 of shell height. R 1 ~ 1 ½ whorls with regular, sharp radial ribs. R 2 very short; with ~ 10 ribs; ribs consistently thickened throughout. R 3 ~ 1 / 5 whorl with ~ 21 ribs. Apertural tube coiling parallel to horizontal axis of the shell, slightly expanding near the end of the aperture. Inner peristome slim, very slightly protruding. Outer peristome thickened, slightly expanded at the columellar corner, not reflected. Differential diagnosis. Among the tiny Dicharax species (SH and SW
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Related topics: Diatoms and Algae Research · Marine Biology and Ecology Research · Mollusks and Parasites Studies
Thai researcher and institutional participation
Parin Jirapatrasilp · Teerangkul Janjai · Ekgachai Jeratthitikul · Natdanai Likhitrakarn · Ruttapon Srisonchai · Chirasak Sutcharit · Chulalongkorn University · Mahidol University · Maejo University · Khon Kaen University
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