In this study, we utilized biometric, structural engineering and micro-FTIR (Fourier Transform Infrared Spectroscopy) analyses to examine the possible biological affinity of Chuaria circularis Walcott, collected from the Mesoproterozoic Suket Shales of the Vindhyan Supergroup and the Neoproterozoic Halkal Shales of the Bhima Supergroup of peninsular India. On the basis of these studies, contrary to the present belief, we conclude that Chuaria circularis was most likely a cylindrical body of algal origi
