10. Notomastus ceylonicus Pillai, 1961

(Fig. 2h)

Notomastus ceylonicus Pillai, 1961: 28, fig. 9g–h.—García-Garza & de León-González 2015: 183, fig. 3g–i.

Type material: * Holotype (BMNH 1960.3.13.23).

Type locality: Indian Ocean, Sri Lanka, Tambalagam Lake, brackish water, 11.0–19.0 ppt, 1.8–7.3 m, in fine black mud in oyster beds .

Records: Only known from the type locality.