Liardetia acutiuscula (von Moellendorff, 1897)
Mollendorff (1897) original descriptions on Kaliella acutiuscula – “T. rimata, pyramidata, tenuis. pellucida. subtiliter et confertim striatula, albida. Spira valde elevata lateribus paullum convexiusculis. Anfr. 7 planulati. sutura per carinam exsertam filomarginata disjuncti, ultimus acute carinatus, basi convexior. Apertura sat obliqua, late elliptica, modice excisa. peristoma rectum. acutum, ad rimam breviter reflexum.”
Benthem-Jutting (1950) descriptions on Liardetia acutiuscula – “Shell high-conical to pyramidal, with flat sides and base. Periphery of last whorl acutely keeled with a thread-like keel. The shell is very similar to that of L. angigyra (Mlldff), but the latter species is larger and has a wider top angle. Greenish-yellow to yellowish-white. Shining and transparent. Delicately striated according to the growth lines. This structure is crossed by a still finer spiral pattern, only visible under strong magnification. Whorls 7-7 ½, regularly increasing in size, with almost flat sides. Hence the profile of the shell approaches the ideal cone. Suture superficial. Spire elevated, but apex not sharp. Umbilicus narrow. Aperture trapezoidal, somewhat oblique. Peristome sharp, not continuous, the columellar side vertical, a little reflected, hiding part of the umbilicus.”
Kaliella acutiuscula – “Diam. 3, alt. 3,33 mm.” (Möllendorff, 1897); Durgellina acutiuscula – “Die Schale besitzt 6 Umgänge und miβt: Höhe 3.3 mm, Durchm. 3.1 mm.” (Rensch, 1934); Liardetia acutiuscula – “Dimensions: height 3.6-3.9, breadth 2.9-3.4, height of aperture 0.8-0.9 mm, The type specimen from Java (without precise locality) Mus. Senckenberg no. 62083) is high 3.9, broad 3.2 mm and has an aperture 0f 0.9 mm height.” (Benthem-Jutting, 1950)
Type locality – “Java” (Möllendorff, 1897); “Gunung Pepandajan, W.-Java” (Rensch, 1934)
Other localities – “Bali: Trockental bei Kintamani (1300 m)” (Rensch, 1934); “West Java: Mt. Gedeh” (Benthem-Jutting, 1950); “West Java: Kandang Badak, saddle between Mt. Gedeh and Mt. Pangerango, soil fauna, 2400 m” (Benthem-Jutting, 1950); “West Java: Sukabumi, 600 m” (Benthem-Jutting, 1950); “West Java: Mt. Malabar, 1600 m” (Benthem-Jutting, 1950); “West Java: Mt. Papandajan, 5000 feet” (Benthem-Jutting, 1950); “West Java: Mt. Tjikorai” (Benthem-Jutting, 1950)
Distributions – “Java, Bali, Sumba, S.-Celebes” (Rensch, 1934)
“low vegetation and vegetable debris on the soil of mountain forests, at 1000 m and more altitude.” Benthem-Jutting, 1950)