Abstract

Nerocila recurvispina Schiodte and Meinert, 1881, a poorly known parasitic cymothoid species, is redescribed after 134 years from materials available in the National Zoological Collections of Zoological Survey of India (NZC-ZSI) collected from Hooghly River, Kolkatta. The general morphology and appendages of various life cycle stages (male, transitional, ovigerous female and juvenile) of the species are here discussed. Important characters to distinguish N. recurvispina from other species in the genus include: coxae and postero-lateral angles of all pereonites produced into narrow, apically pointed, acute and upwardly directed recurved spines; increasing the length of the recurved spines progressively from pereonite 1 to 7. Uropod rami, exopod slender, slightly longer than endopod, distal end narrowly rounded; endopod distally broader and lancelate.

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