Studies on the free-living protozoan fauna of estuaries in the coastal zone of Tamil Nadu, India Author Bindu, L. text Records of the Zoological Survey of India 2021 121 1 61 75 journal article 10.26515/rzsi/v121/i1/2021/141506 2581-8686 13186453 54. Tintinnopsis parvula Jorgensen, 1912 Material examined : Mi-171, 3 ex. , Kaliveli estuary, 22.vi.2013 ; Mi-183, 4 ex. , Marakkanam estuary, 22. vi. 2013 ; Mi-306, 4 ex. , Kaduviyar estuary, 11.x.2015 . Diagnosis : Lorica small in size; oral end broadened; aboral end pointed; length 55-65µm. Distribution in India : Odisha , Tamil Nadu .