Acmella nana Vermeulen, Liew & Schilthuizen, 2015

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

Acmella nana Vermeulen, Liew & Schilthuizen, 2015 Figures 15C , 17D, E

Acmella nana Vermeulen et al., 2015: 14, fig. 5A-D.

Type locality.

"Malaysia, Sarawak, 4th Division, Niah Caves, Southside of limestone area, West side of the quarry, soil-filled crevice opened in quarry".

Material examined.

Gunung Kapor: ME 8497. Gunung Doya: ME 9091.

Distribution in Borneo.

Sarawak: Kuching and Miri divisions. Sabah: Interior and Sandakan divisions. Endemic to Borneo.

Remarks.

Only dry shells were found during the surveys. The shells from Bau population are larger than the description of the type specimen (height 0.88 mm, width 0.76 mm).

Figures

Figure 15. A Acmella bauensis, sp. nov., MZU. MOL. 20.01 holotype Gunung Kapor B Acmella cyrtoglyphe Vermeulen, Liew & Schilthuizen, 2015 ME 8960 Gunung Doya [not in natural colour, shell surface coated with platinum for examination under scanning electron microscope] C Acmella nana Vermeulen, Liew & Schilthuizen, 2015 ME 8497 Gunung Kapor D Acmella ovoidea Vermeulen, Liew & Schilthuizen, 2015 ME 2215 Gunung Batu E Anaglyphula sauroderma Vermeulen, Liew & Schilthuizen, 2015 ME 6910 Gunung Doya F Solenomphala scalaris (Heude, 1882) ME 8810 Gunung Batu.

Figure 17. Acmella bauensis sp. nov. A-C ME 0002340 paratype A enlargement of the apical side showing the apex B enlargement of the body whorl (abapertural side) showing the shell sculpture C enlargement of the body whorl (apertural side) showing the shell sculpture. Acmella nana Vermeulen, Liew, & Schilthuizen, 2015 D-E ME 0009091 SPECIMEN D apertural view E enlargement of the body whorl (apertural side) showing the shell sculpture.