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 48. Tintinnopsis angusta Meunier, 1910 Material examined : Mi-208, 2 ex. , Coleron estuary, 8.xii.2013 . Diagnosis : Lorica short; oral diameter more than half the diameter of bowl; length 5-65µm. Distribution in India : Odisha , Tamil Nadu , West Bengal .