Rhinocochlis nasuta (Metcalfe, 1851)

Marzuki, Mohammad Effendi bin, Liew, Thor-Seng & Mohd-Azlan, Jayasilan, 2021, Land snails and slugs of Bau limestone hills, Sarawak (Malaysia, Borneo), with the descriptions of 13 new species, ZooKeys 1035, pp. 1-113 : 1

Rhinocochlis nasuta (Metcalfe, 1851) Figures 40C , 53C

Helix nasuta Metcalfe, 1851: 70.

Type locality.

“Borneo”.

Material examined.

Bukit Sekunyit: ME 4878. Gunung Doya: ME 1610, ME 8914, ME 8924, ME 9040. Gunung Kapor: ME 4868, ME 4872, ME 4874, ME 8081, ME 8456, ME 8772, ME 8971, ME 9406. Gunung Stulang: ME 5906. Lobang Angin: ME 4882, ME 4883, ME 8727, ME 8740, ME 8885. Gunung Batu: ME 4869, ME 4870, ME 4871.

Distribution in Borneo.

Sarawak: Kuching, Serian, Kapit, and Miri divisions. Kalimantan: West and East Kalimantan provinces. Endemic to Borneo.

Remarks.

It differs from Rhinocochlis moluensis (Godwin-Austen, 1891), and Dyakia chlorosoma Vermeulen, Liew & Schilthuizen, 2015, by having a shell with the curved beak-like extension of the palatal side of the aperture.

Quantula H. B. Baker, 1941

Figures

Figure 40. A Dyakia busanensis Godwin-Austen, 1891 ME 9015 Gunung Doya B Dyakia subdebilis E. A. Smith, 1895 ME 1602 Gunung Kapor C Rhinocochlis nasuta (Metcalfe, 1851) ME 8740 Lobang Angin D Quantula striata (Gray, 1834) ME 8792 Gunung Kapor.

Figure 53. Living snails from Bau A Amphidromus cf. similis Pilsbry, 1900 ME 8756 Gunung Kapor B Ganesella acris (Benson, 1859) ME 8977 Lobang Angin C Rhinocochlis nasuta (Metcalfe, 1851) ME 8885 Lobang Angin. All not to scale.