Graeff, C., Kociolek, J.P. and Burliga, A.L. 2012.

Valve morphology of four species of Frustulia (Bacillariophyta), including two described as new

. Phytotaxa. 42, 1 (Jan. 2012), 62–76. DOI:https://doi.org/10.11646/phytotaxa.42.1.8.