Guide to the aquatic heteroptera of Singapore and Peninsular Malaysia. 6. Mesovellidae, with description of a new Nereivelia species from Singapore
Evidence of the earliest freshwater decapod fossil from Southeast Asia (Crustacea: Decapoda: Brachyura)
A new subspecies of Amphidromus (Amphidromus) atricallosus from Singapore (Mollusca: Gastropoda: Camaenidae)
Large mangrove-dwelling Elysia species in Asia, with descriptions of two new species (GAstropoda: Opistobranchia: Sacoglossa)
New species of Pheretima, Pithemera, and Polypheretima (Clitellata: Megascolecidae) from Kalbaryo, Luzon Island, Philippines