Rajendran, C. P., Raha, P. K. and Sen, M. K. (1987) “The Foraminiferal Species Actinosiphon from the Subsurface Sediments of Kerala”, Journal of Geological Society of India, 30(1), pp. 77–79. Available at: https://geosocindia.com/index.php/jgsi/article/view/66068 (Accessed: 20 September 2024).