Parke, M.; Boalch, G. T.; Jowett, R.; Harbour, D. S. (1978). The genus Pterosperma (Prasinophyceae): species with a single equatorial ala. Journal of the Marine Biological Association of the United Kingdom, 58: 239-276, 2 figs, 1 table, 14 pls [I-XIV].
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Parke, M.; Boalch, G. T.; Jowett, R.; Harbour, D. S.
1978
The genus Pterosperma (Prasinophyceae): species with a single equatorial ala
Journal of the Marine Biological Association of the United Kingdom