On a collection of some Mollusca from Budhabalanga estuary, Odisha Author Gurumayum, S. D. text Records of the Zoological Survey of India 2019 119 1 55 59 journal article 10.26515/rzsi/v119/i1/2019/123277 2581-8686 10956119 5. Neverita didyma (Röding, 1798) 1798. Albula didyma Roiding. Mus. Bolten. , p.20 2003. Polinices ( Glossaulax ) didyma (Roiding) : Subba Rao, Rec . zool. Surv. India , Occ. Paper No. 192 : 189. Material examined: 1 Measurement: Length: 2.5cm , Breath: 2.0cm Remarks: The shell intact and estuarine in habitat. Distribution: Andhra Pradesh , Gujarat , Maharashtra , Orissa , Pondicherry , Tamil Nadu , West Bengal .