Notes on the non-marine molluscs of the island of Borneo. 6. The genus Opisthostoma (Gastropoda Prosobranchia: Diplommatinidae), part 2

Opisthostoma hailei Solem, 1964 (Taxon Pages), Plectostoma jucundum (Smith, 1893) (Taxon Pages), Opisthostoma javanicum van Benthem Jutting, 1932 (Taxon Pages), Plectostoma inornatum (Vermeulen, 1994) (Taxon Pages), Plectostoma hosei (Godwin-Austen, 1890) (Taxon Pages), Opisthostoma holzmarki Thompson, 1978 (Taxon Pages), Plectostoma heteropleuron (Vermeulen, 1994) (Taxon Pages), Plectostoma grandispinosum (Godwin-Austen, 1889) (Taxon Pages), Plectostoma goniostoma (Vermeulen, 1994) (Taxon Pages), Opisthostoma gibbosum Vermeulen, 1994 (Taxon Pages), Plectostoma fraternum (Smith, 1905) (Taxon Pages), Plectostoma everetti (Smith, 1893) (Taxon Pages), Plectostoma episomon (Vermeulen, 1994) (Taxon Pages), Plectostoma dormani (Vermeulen, 1994) (Taxon Pages), Plectostoma dipterum (Vermeulen, 1994) (Taxon Pages), Opisthostoma dihelicton Vermeulen, 1994 (Taxon Pages), Opisthostoma devogelli Vermeulen, 1991 (Taxon Pages), Plectostoma depauperatum (Smith, 1894) (Taxon Pages), Opisthostoma delopterum Vermeulen, 1994 (Taxon Pages), Plectostoma decrespignyi (Adam, 1865) (Taxon Pages), Plectostoma dancei dispersum (Vermeulen, 1994) (Taxon Pages), Plectostoma dancei dancei (Vermeulen, 1994) (Taxon Pages), Plectostoma cyrtopleuron (Vermeulen, 1994) (Taxon Pages), Opisthostoma cryptodon Vermeulen, 1991 (Taxon Pages), Opisthostoma crassum Vermeulen, 1994 (Taxon Pages), Opisthostoma crassicolle Vermeulen, 1994 (Taxon Pages), Plectostoma cookei (Smith, 1894) (Taxon Pages), Plectostoma concinnum (Fulton, 1901) (Taxon Pages), Plectostoma brevituba (Vermeulen, 1994) (Taxon Pages), Opisthostoma brachyacrum tatauense Vermeulen, 1994 (Taxon Pages), Opisthostoma brachyacrum lambii (Vermeulen, 1991) (Taxon Pages), Opisthostoma brachyacrum brachyacrum (Thompson, 1978) (Taxon Pages), Plectostoma bihamulatum (Vermeulen, 1994) (Taxon Pages), Plectostoma baritense (Smith, 1893) (Taxon Pages), Opisthostoma ballorum Vermeulen, 1991 (Taxon Pages), Plectostoma austeni (Smith, 1894) (Taxon Pages), Opisthostoma auriforme Vermeulen, 1994 (Taxon Pages), Opisthostoma asyndeton Vermeulen, 1994 (Taxon Pages), Plectostoma anisopterum (Vermeulen, 1994) (Taxon Pages), Plectostoma aethoderma (Vermeulen, 1994) (Taxon Pages), Opisthostoma acolaston Vermeulen, 1994 (Taxon Pages), Opisthostoma lechria Vermeulen, 1991 (Taxon Pages), Plectostoma lissopleuron bigibbum (Vermeulen, 1994) (Taxon Pages), Plectostoma lissopleuron lissopleuron (Vermeulen, 1994) (Taxon Pages), Plectostoma lituus (Vermeulen, 1994) (Taxon Pages), Plectostoma mirabile (Smith, 1893) (Taxon Pages), Plectostoma obliquedentatum (Vermeulen, 1994) (Taxon Pages), Plectostoma otostoma (Boettger, 1893) (Taxon Pages), Plectostoma perglaber (Vermeulen, 1994) (Taxon Pages), Plectostoma perspectivum (Vermeulen, 1994) (Taxon Pages), Plectostoma picsingense (Smith, 1905) (Taxon Pages), Opisthostoma planiapex Vermeulen, 1991 (Taxon Pages), Plectostoma ptychodon (Vermeulen, 1994) (Taxon Pages), Plectostoma pulchellum (Godwin-Austen, 1890) (Taxon Pages), Plectostoma pumilio (Smith, 1894) (Taxon Pages), Plectostoma pyrgiscus (Vermeulen, 1994) (Taxon Pages), Opisthostoma rotundum Vermeulen, 1994 (Taxon Pages), Opisthostoma semisolutum Vermeulen, 1994 (Taxon Pages), Plectostoma shelfordi (Smith, 1905) (Taxon Pages), Opisthostoma simile Vermeulen, 1994 (Taxon Pages), Plectostoma simplex (Fulton, 1901) (Taxon Pages), Plectostoma stellasubis (Vermeulen, 1994) (Taxon Pages), Plectostoma stenotoreton (Vermeulen, 1994) (Taxon Pages), Opisthostoma subconicum Vermeulen, 1994 (Taxon Pages), Opisthostoma sulcatum Vermeulen, 1994 (Taxon Pages), Opisthostoma telestoma Vermeulen, 1991 (Taxon Pages), Plectostoma transequatorialis (Vermeulen, 1994) (Taxon Pages), Opisthostoma tridens Vermeulen, 1991 (Taxon Pages), Plectostoma tuba (Vermeulen, 1994) (Taxon Pages), Plectostoma wallacei busauense (Smith, 1893) (Taxon Pages), Plectostoma wallacei teinostoma (Vermeulen, 1994) (Taxon Pages), Plectostoma wallacei wallacei (Ancey, 1887) (Taxon Pages), Plectostoma wilfordi (Vermeulen, 1994) (Taxon Pages)