Okamoto, N., Chantangsi, C., Horák, A., Leander, B.S. & Keeling, P.J. (2009) Molecular phylogeny and description of the novel katablepharid Roombia truncata gen. et sp. nov., and establishment of the Hacrobia taxon nov. PLoS ONE4: e7080. doi:10.1371/journal.pone.0007080
Okamoto, N. & Inouye, I. (2005) The Katablepharids are a distant sister group of the Cryptophyta: a proposal for Katablepharidophyta divisio nova / Kathablepharida phylum novum based on SSU rDNA and beta-tubulin phylogeny. Protist156 163-179.
Okamoto, N. & Inouye, I. (2006) Hatena arenicola gen. et sp. nov., a katablepharid undergoing probable plastid acquisition. Protist157 401-419.
Šlapeta, J., Ló pez-García, P. & Moreira, D. (2006) Present status of the molecular ecology of kathablepharids. Protist157 7-11..