1.
Phylogenetic Analyses of a Combined Data Set Suggest that the Attheya Lineage is the Closest Living Relative of the Pennate Diatoms (Bacillariophyceae)
by Sorhannus, Ulf
Protist, 2012-03, Vol.163 (2), p.252-262

2.
Microevolution and Speciation in Thalassiosira weissflogii (Bacillariophyta)
by Sorhannus, Ulf
Protist, 2010, Vol.161 (2), p.237-249
