Lakshminarayana, K. V. and Radhakrishnan, C. (1993) “Notes on a Nw Record of an Ichnofossil from Trichinopoly Cretaceous (South India)”, Records of the Zoological Survey of India, 93(1-2), pp. 267–273. doi: 10.26515/rzsi/v93/i1-2/1993/160874.