Four new species of the terrestrial, prosobranch family Diplommatinidae are described. Opisthostoma (Plectostoma) sinyumensis spec. nov. and O. (P.) christae spec. nov. are both reported from Peninsular Malaysia. Arinia panhai spec. nov. is described from Thailand and A. jensi spec. nov. from Peninsular Malaysia. These are the first records for an Arinia species from Thailand and Peninsular Malaysia.

Peninsular Malaysia, Diplommatinidae, taxonomy, Opisthostoma, Thailand, Prosobranchia, Gastropoda, Plectostoma, Arinia
Basteria

CC BY-NC 4.0 NL ("Naamsvermelding-NietCommercieel")

Nederlandse Malacologische Vereniging

Wim J.M. Maassen. (2001). Four new Diplommatinidae (Gastropoda, Prosobranchia, Diplommatinidae) from southern Thailand and northern Peninsular Malaysia. Basteria, 65(1/3), 51–56.