Difflugia geosphaira Ogden, 1991

Bindu, L., 2021, Studies on the free-living protozoan fauna of estuaries in the coastal zone of Tamil Nadu, India, Records of the Zoological Survey of India 121 (1), pp. 61-75 : 67

30. Difflugia geosphaira Ogden, 1991

Material examined: Mi-113, 2 ex., Coleron estuary,

02.vii.2012; Mi-274, 2 ex., Vellar estuary, 20.vii.2014.

Diagnosis: Shell dark brown, more or less ovoid, apertural rim is very prominenet; aperture large, circular; nucleus with many peripheral nucleoli, three contractile vacuoles; measurements: 51-85 µm long.

Distribution in India: Tamil Nadu (present record). This forms new record for India.