Opisthoporus birostris (L. Pfeiffer, 1854)

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

publication ID	https://dx.doi.org/10.3897/zookeys.1035.60843
publication LSID	lsid:zoobank.org:pub:ED19022E-A170-4DB7-9587-FEFE15D07854
persistent identifier	https://treatment.plazi.org/id/B4A99D04-E014-51DF-9A9F-1764CE95B72B
treatment provided by	ZooKeys by Pensoft
scientific name	Opisthoporus birostris (L. Pfeiffer, 1854)
status

Treatment

Opisthoporus birostris (L. Pfeiffer, 1854) View in CoL Figures 7B View Figure 7 , 46D View Figure 46

Cyclostoma birostre Pfeiffer, 1854b: 300.

Type locality.

"Sarawak, Borneo".

Material examined.

Bukit Sekunyit: ME 4735. Gunung Doya: ME 1312. Gunung Kapor: ME 4731, ME 4736, ME 4737, ME 8072, ME 8495, ME 8755, ME 8758, ME 9605. Lobang Angin: ME 4738. Gunung Batu: ME 4732, ME 4734, ME 4739, ME 8830.

Distribution in Borneo.

Sarawak: Kuching Division. Endemic to Borneo.

Remarks.

Living snails were observed foraging among leaf litter and plant debris near the cliff in lowland limestone forest. It differs from other Bornean Opisthoporus species by having a large shell, short sutural tube projecting downwards, and a thick brown periostracum can be seen on fresh shells.