Natarajan, P. and Soundararajan, R. 2011. OCCURRENCE OF PARREYSIA (PARREYSIA) WYNEGUNGAENSIS (LEA) (EULAMELLIBRANCHIATA) AND OPEAS ANNANDALEI GODWIN AUSTEN (STYLOMMATOPHORA) IN PORTO NOVO. Indian Journal of Fisheries. 26, 1 & 2 (Nov. 2011), 241–243.