Adlafia kociolekii sp. nov. (Bacillariophyceae): a new naviculoid diatom from the Eastern Himalayas, India Author Se. Wetzel Author Karthick, Balasubramanian 0000-0003-4066-2458 Biodiversity and Paleobiology Group, Agharkar Research Institute, Pune, Maharashtra- 411004, India. & Affiliated with the Department of Environmental Science, Savitribai Phule University of Pune, Ganeshkind, Pune, Maharashtra- 411007, India. & karthickbala @ aripune. org; https: // orcid. org / 0000 - 0003 - 4066 - 2458 karthickbala@aripune.org text Phytotaxa 2023 2023-05-03 595 1 62 72 http://dx.doi.org/10.11646/phytotaxa.595.1.4 journal article 53285 10.11646/phytotaxa.595.1.4 b774a52c-9ec3-4c3d-8910-68f16a9c2e28 1179-3163 7889438
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 & Kociolek
Valve length (μm)16–53.528–479.5–1612.7–1310–1611.5–14
Valve width (μm)6–10.55–62.8–3.83.3–3.53.2–4.84–4.5
Striae in 10 μm26–3017–1936–4034–3535–4536–40
Valve 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 ends
StriaRadiate 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 convergent
AreolaCircular at poles, slit like structure at centreRoundTangentially elongated areolaeRound to rectangular shapeRoundedRounded or rectangular
Axial areaNarrow to moderately wide narrower towards endsNarrowHardly widened in the middleNarrow, slightly broader at centreVery narrow, linearLinear
ReferencePresent studyVan de Vijver et al. 2017Le Cohu et al. 2020Kulikovskiy et al. 2012Lange-Bertalot 2001Glushchenko et al. 2020