A revised description of the Nitzschia frustulum var. symbiotica Lee and Reimer emend. complex, the most common of the endosymbiotic diatoms in larger foraminifera
Jj. Lee' et al., A revised description of the Nitzschia frustulum var. symbiotica Lee and Reimer emend. complex, the most common of the endosymbiotic diatoms in larger foraminifera, MICROPALEON, 46, 2000, pp. 170-181