LAI, Giuseppina G., Luc ECTOR, Antonella LUGLIE, Nicola SECHI, & Carlos E. WETZEL 2018 (June 13) Sellaphora gologonica sp. nov. (Bacillariophyta, Sellaphoraceae), a new diatom species from a Mediterranean karst spring (Sardinia, Italy) Phytotaxa 356(2): 145-157, 59 figs., 2 tables