Platylepas hexastylos (Fabricius, 1798)

(Figs 3a, b)

Material examined. ZUTC-cirri 1218.

Persian Gulf. No record.

Gulf of Oman. New record from the Gulf of Oman.

General distribution and habitat. Indo-Pacific; attached to sea turtles (Chan et al. 2009).

Descriptive features and remarks. Shell with obvious external growth lines (Fig. 3a), median sulcus clear from ventral view (Fig. 3 b), labrum with three teeth on each side. Largest specimen with basal diameter 8.0 mm. The specimens were found attached to the front limb scales of the green turtle Chelonia mydas from Gwatr (25° 16'N, 60° 44'E) (Fig. 1).