[1]
Patricio, Fabiola and Ingrid 2010. Extubocellulus spinifer (Hargraves & Guillard) Hasle, Stosch & Syvertsen (Cymatosiraceae, Bacillariophyceae): First report of the species from the Southeastern Pacific with comments on the variability of some of its morphological features. Gayana Botánica. 67, 2 (Dec. 2010), 153-157.