Kaliella Penang sp. 4

Goh, Soo-Mun, Jasrul, Dulipat, Lee, Mei-Yi, Vermeulen, Jaap J. & Liew, Thor-Seng, 2025, From 153 - year-old records to contemporary discoveries: land snail (Mollusca, Gastropoda) diversity in Penang Hill, Malaysia, ZooKeys 1230, pp. 99-154 : 99-154

Kaliella Penang sp. 4

Fig. 14 D

Material examined.

Malaysia • Penang Hill, The Habitat, Research trail, Plot. 03 ; 5.4226 ° N, 100.2645 ° E; 750 m a. s. l.; 5 Sept. 2022; T. S. Liew, J. Dulipat, S. M. Goh leg.; BOR/MOL 15473 • Penang Hill, The Habitat, Research trail, Plot. 06 ; 5.4247 ° N, 100.2674 ° E; 750 m a. s. l.; 5 Sept. 2022; T. S. Liew, J. Dulipat, S. M. Goh, M. Y. Lee, M. Y. Wua leg.; BOR/MOL 15474 • Penang Hill, The Habitat, Habitat nature trail, Plot. 07 ; 5.4210 ° N, 100.2642 ° E; 760 m a. s. l.; 6 Sept. 2022; T. S. Liew, J. Dulipat, S. M. Goh, M. Y. Lee leg.; BOR/MOL 15470 • Penang Hill, Air Itam, Forest near Dam, Plot. 25 ; 5.3900 ° N, 100.2575 ° E; 290 m a. s. l.; 25 Oct. 2022; T. S. Liew, J. Dulipat leg.; BOR/MOL 15471 • Penang Hill, Trail - Moniot Road East, Plot. 28 ; 5.4240 ° N, 100.2746 ° E; 530 m a. s. l.; 26 Oct. 2022; T. S. Liew, J. Dulipat leg.; BOR/MOL 15472 .

Remarks.

This is a new record for Penang Hill. The shell is conical in shape with an angular periphery adorned with a spiral thread. Teleoconch with elevated radial ribs above periphery that transition to densely placed fine spiral ribs on the subsequent whorls, crossed by irregular growth lines. Below periphery with less densely spaced spiral grooves at the periphery, which diminish towards the umbilicus.

Figures

Figure 14. A Kaliella barrakporensis (Reeve, 1852) BOR / MOL 15739 B Kaliella Penang sp. 1 BOR / MOL 15465 C Kaliella Penang sp. 2 BOR / MOL 15467 D Kaliella Penang sp. 4 BOR / MOL 15474. Scale bar: 0.5 mm.