Ralfs, J. (1861) Sub-group Diatomeae or Diatomaceae In A history of infusoria including the Desmidiaceae and Diatomaceae British and foreign. Fourth Edition. (Ed. by A. Pritchard), pp. 756-940 plus plates 2 and 4 - 17 (X). Whittaker and Co., London.

Plate 10 (Medium resolution)
Original magnification of images when drawn not specified.      Figure_Legend (opens in a new window)

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