The paper reported the first record of Regular sea urchin Salmacis virgulata (L. Agassiz and Desor
1846) in the Pondicherry coast, India. Three adult specimens were found in Kalapet region of Pondicherry coast,
India in May 2010. It is a characteristic organism of the Echinoderm fauna of the Bay of Bengal and the
description of the organism are provide