Senthiappan, M., V. Stephen Pitchaimani, A.V. Udayanapillai, Perumal Velmayil, Bangarupriyanga Sundaram, G. Ramalingam and Armstrong Altrin, J.S. 2023. Petrography and geochemistry of the Upper Cretaceous Gryphaea Limestones, Kallankurichi Formation, Ariyalur Group, Trichinopoly, Southern India: Implication for palaeoenvironment. Journal of The Indian Association of Sedimentologists (peer reviewed). 40, II (Dec. 2023), 14–26. DOI:https://doi.org/10.51710/jias.v40iII.309.