Mitra, S. (2009). On the First Record of the Pen Shell, <i>Pinna incurva</i> Gmelin (Mollusca : Bivalvia : Pteroida : Pinnidae) from Digha Coast of West Bengal. Records of the Zoological Survey of India, 109(2), 99–109. https://doi.org/10.26515/rzsi/v109/i2/2009/159011