Sterrenburg, F. A. S.; Underwood, G. J. C. (1997). Studies on the genera Gyrosigma and Pleusosigma (Bacillariophyceae). The marine Gyrosigma spenceri records: Gyrosigma limosum Sterrenburg et Underwood nov. sp.
Proceedings of the Academy of Natural Sciences of Philadelphia. 148: 165-169.