Taxometric analysis of helminthes of marine fishes. 1. Pedunculacetabulum spinatum n.sp., from Chorinemus mandetta and Wenyonia rhincodonti n.sp., from Rhincodon typus

The investigations include report of two new worms from marine fishes of Central West Coast of Goa in Arabian Sea. A trematode, Pedunculacetabulum spinatum n.sp. from Chorinemusmandetta and Wenyonia rhincodoni n.sp. from sharks, Rhincodon typus have been described and compared with closer species. The systematics of genus Pedunculacetabulum Yamaguti (Japan J Zool 6:1-112, 1934) has been discussed with detailed evidence of taxometric significance to reinstate this genus.