TABLE 1 in Gomphocymbellopsis guijiangensis sp. nov. (Cymbellaceae; Bacillariophyta), a new species from Guangxi Province with comments on associated specimens from Hubei Province, China

TABLE 1. Morphological and morphometric comparison of Gomphocymbellopsis guijiangensis sp. nov. to the most similar genera.
Gomphocymbellopsis guijiangensis sp. nov.Gomphocymbellopsis KrammerAfrocymbella KrammerCymbella AgardhGomphonema EhrenbergGomphocymbella MüllerReimeria Kociolek & StoermerReferenceThis studyKrammer 2003, Shi 2013Krammer 2003, Shi 2013Krammer 2002, Shi 2013, Kulikovskiy et al. 2016Shi 2004, Levkov et al. 2016Shi 2004, Levkov et al. 2016Kociolek & Stoermer 1987, Shi 2013, Glushchenko et al. 2020Valve symmetryDorsiventral and heteropolar symmetryDorsiventral and heteropolar symmetryDorsiventral and heteropolar symmetryDorsiventral symmetryHeteropolar to isopolar symmetryDorsiventral and heteropolar symmetryDorsiventral symmetryCentral raphe endsVentrally deflectedVentrally deflectedDorsally deflectedVentrally deflected—Ventrally deflectedInternally dorsally deflectedTerminal raphe endsDorsally deflectedDorsally deflectedVentrally deflectedDorsally deflected—Dorsally deflectedVentrally deflectedApical pore fieldPresent at head pole and foot pole on the mantle, entire (not bisected)Apical pore fields at both ends, but the two parts of the pore field are of different sizes; one apical pore field at head pole, about two apical pore fields at foot poleOne apical pore field at head pole, about two apical pore fields at foot polePresent at both ends—Present at foot pole, entire (not bisected)Apical pore fields at both poles are bisected by the external distal raphe end, and the two parts of the pore field are of different sizes.StigmaThree external, round to elliptical stigma openings present on the ventral sideOne stigma present on the ventral side near the central areaOne (nearly two) stigma present on the dorsal side near the central areaPresent at the ventral side or absentOne or more than one stigma present near the central areaPresent at the dorsal side or absentA single stigma is located in close proximity to or between the proximal ends of the raphe.