Revision of the Synechococcales (Cyanobacteria) through recognition of four families including Oculatellaceae fam. nov. and Trichocoleaceae fam. nov. and six new genera containing 14 species Author Mai, Truc Department of Biology, John Carroll University, 1 John Carroll Blvd., University Heights, Ohio 44118, USA & Department of Plant and Environmental Sciences, New Mexico State University, Skeen Hall Room N 127, P. O Box 30003 MSC 3 Q, Las Cruces, New Mexico 88003, USA. Author Johansen, Jeffrey R. Department of Biology, John Carroll University, 1 John Carroll Blvd., University Heights, Ohio 44118, USA & Department of Botany, Faculty of Science, University of South Bohemia, 31 Branišovská, 37005 České Budějovice, Czech Republic Author Pietrasiak, Nicole Department of Plant and Environmental Sciences, New Mexico State University, Skeen Hall Room N 127, P. O Box 30003 MSC 3 Q, Las Cruces, New Mexico 88003, USA. Author Bohunická, Markéta Author Martin, Michael P. Department of Biology, John Carroll University, 1 John Carroll Blvd., University Heights, Ohio 44118, USA text Phytotaxa 2018 2018-08-16 365 1 1 59 http://dx.doi.org/10.11646/phytotaxa.365.1.1 journal article 10.11646/phytotaxa.365.1.1 1179-3163 Komarkovaea Mai, Johansen et Pietrasiak gen. nov. Description:— Filaments simple, unbranched, with variation in width between post-hormogonial and mature filaments. Sheath firm, thin, colorless. Trichomes constricted at cross-walls, rarely tapering. Hormogonia and necridia present. Cells with parietal thylakoids, shorter than wide to longer than wide, mostly isodiametric. Etymology:— Named for Jaroslava Komárková, a prominent Czech cyanobacteriologist, phytoplankton ecologist, and personal friend who recently passed away. She will be sorely missed, and we wish to honor her memory and contributions to science with the establishment of this genus. Type species:— Komarkovaea angustata Mai, Johansen et Pietrasiak sp. nov.