Anatomy of soft body of Pugilina cochlidium (Linnaeus, 1758) and P. erecta (Vermeij & Raben, 2009) (Neogastropoda: Melongenidae) from Thondi Coast-Palk Bay in Tamil Nadu, India

Abstract The species of Pugilina cochlidium (Linnaeus, 1758) and P. erecta (Vermeij & Raben, 2009) has been studied in the present study. female can be differentiated from male by absence cephalic penis a complicated genital aparatus visible through mantle skirt both sexes. In other aspects external features are quite to males. digestive system was similar with few differences structure between each other. It consists buccal mass, proboscis, salivary glands, accessory oesophagus, stomach, intestine, rectum anus. nervous is constituted six ganglia which forms circumoesophgeal ganglionic ring. Among neogastropods there similarity organization reproductive systems. more than that male. sexes separated these two species. gross morphology almost similar. study aims describe system, gastropods erecta.