Pontoniine shrimps (Decapoda: Palaemonidae) from the island of Socotra, with descriptions of new species of Dactylonia Fransen, 2002 and Periclimenoides Bruce, 1990 Author Bruce, A. J. text Zootaxa 2006 1137 1 36 journal article 10.5281/zenodo.171992 eedef5c9-0d43-4e03-95d8-ba89388c2dbb 1175­5326 171992 Odontonia sibogae Bruce, 1972 Pontonia sibogae Bruce, 1972 : 182 –185, figure 1. Odontonia sibogae — Fransen, 2002 , 371–382, figs 241–246, pl. 19. Material examined : (1) 1ɗ, MAP­137B, ST­067, 12°40.429’N 54°11.731’E , Rhyi di Hamri, N coast, Socotra , 7–9 m , 19 March 1999 , SMF 29217. (2) 1 ovig. Ψ, MAP­137, stn 67, 12°40.429’N 54°11.731’E , Rhyi di Hamri, E of Hawlaf, 7–8 m , 19 March 1999 , in dead Acropora , NHCY . Host : No data. Usually associated with tunicate hosts. Regional records : Previously reported from Oman by Holthuis (1986) . General distribution : Type locality: Port Curtis, Queensland, Australia . In the Indian Ocean, otherwise only known from Madagascar ( Bruce, 1978a ) and the Seychelle Islands ( Fransen, 1994 ). Also known from Indonesia . Remarks : Only the second pereiopods of the male are preserved, but the species can be readily identified by the presence of five pairs of dorsal telson spines, the only species of the genus with this feature.