TABLE 2 in Adlafia kociolekii sp. nov. (Bacillariophyceae): a new naviculoid diatom from the Eastern Himalayas, India

TABLE 2. Comparision between Adlafia kociolekii and morphologically similar taxa.
CharactersAdlafia kociolekii sp.nov.Michelcostea lecohuiana Van de Vijver, Lange-Bertalot, C.E.Wetzel & EctorAdlafia diahotensis Le Cohu, Marquié & TudesqueAdlafia baicalensis Kulikovskiy & Lange-BertalotAdlafia minuscula (Grunow) Lange-BertalotAdlafia babeiensis Glushchenko, Kulikovskiy & KociolekValve length (μm)16–53.528–479.5–1612.7–1310–1611.5–14Valve width (μm)6–10.55–62.8–3.83.3–3.53.2–4.84–4.5Striae in 10 μm26–3017–1936–4034–3535–4536–40Valve outlineLanceolate to linear- lanceolate, ellipticalLinear, broadly rounded endsLinear-lanceolate to almost ellipticalLinear with moderately convex margins and weekly protracted endsNarrow-elliptical or rhombic- lanceolate, slightly protractedLanceolate with rostrate endsStriaRadiate throughout the valve, convergent at apicesWeekly radiate throughout the valve, convergent near the apicesRadiate throughout, one to several irregularly spaced shortened striaeRadiate in the middle, strongly convergent towards endsStrongly radiate becoming abruptly parallelRadiate, becoming abruptly convergentAreolaCircular at poles, slit like structure at centreRoundTangentially elongated areolaeRound to rectangular shapeRoundedRounded or rectangularAxial areaNarrow to moderately wide narrower towards endsNarrowHardly widened in the middleNarrow, slightly broader at centreVery narrow, linearLinearReferencePresent studyVan de Vijver et al. 2017Le Cohu et al. 2020Kulikovskiy et al. 2012Lange-Bertalot 2001Glushchenko et al. 2020