Published at Raffles Journal from Raffles museum on 17th March 2014. Sculpture and size different from R. solorensis, and somewhat rarer. pdf manuscript in on-line. google “raffles journal”. Shell smaller than R. solorensis, R. floresiana, and R. setzeri setzeri, but similar to. R setzeri atauroensis. Most typical features are smooth penial verge with pointed tip and well-developed longitudinal pilasters of penial wall. Discovered and named in Honour of Mr. John Abbas.