Table 3 in New and poorly known " araphid " diatom species (Bacillariophyta) from regions near Lake Titicaca, South America and a discussion on the continued use of morphological characters in " araphid " diatom taxonomy [* Cross-Reference *]

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Eduardo A. Morales; Carlos E. Wetzel; Luc Éctor, 2026, "Table 3 in New and poorly known " araphid " diatom species (Bacillariophyta) from regions near Lake Titicaca, South America and a discussion on the continued use of morphological characters in " araphid " diatom taxonomy [* Cross-Reference *]", https://lore.list.lu/citation?persistentId=perma:LIST.OCAEJL, LIST Open Repository, V1
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Table 3. Comparison of P. vulpina stat. nov. with most similar triradiate species in Pseudostaurosira and Pseudostaurosiropsis that have LM and SEM information available. ND=not determined. Features in bold italic font are defining for each taxon. Feature/speciesP. iztaccihuatlii V.H. Salinas & D. MoraP. vulpina stat. nov.Pseudostaurosiropsis triradiatum (E. Morales) Kulikovskiy, Glushchenko & B. KarthickValve dimensions (µm)L: 6.2-10.8 W: NDL: 4.8-13.0 W: 4.1-5.6L: 7-10 W: NDStria density (in 10 µm)12-1814-1614-16Valve outline; axial area; virgaeTriradiate; irregularly triangular, externally and internally depressed with respect to the virgae; wideTriradiate; irregularly triangular and externally depressed with respect to the virgae, internally at the same level as the latter; wideTriradiate; triangular, with concave sides, depressed with respect to the virgae in external and internal view; much wider than striaeAreolae; volae; striaeRoundish to transapically elongate; well-developed and with ring-like depositions distorted in different ways at the valve interior; composed of several areolae, a single one on the valve mantleRoundish to transapically elongated; well-developed and with inverted cone-like accumulations of different shape at the valve interior; composed of several areolae, a single one on the valve mantleCircular; absent, with rotae instead; composed of up to 4 areolae 2 on valve face and 2 on the mantleSpines; stipules; flapsLarge, conical base, spatulate tip, slightly slender than basal vimen; absent; absentSmall, conical, slender than basal vimen, sometimes shapeless and occurring on virgae and vimines; absent; absentSmall, conical, wider that basal vimen; absent; absentApical pore fields; mantle abvalvar blistersDepressed, not known from valve interior view; large and extending to the apical portions but below the apical pore fieldDepressed, opening into a non-depressed porous plate at the valve interior; large and extending to the apical portions but below the apical pore fieldNot depressed, opening internally into a circular depressed zone; NDReferencesSalinas et al. (2020)Rumrich et al. (2000), this studyMorales (2005) (2021-12-13)
***This entry has been automatically imported via OpenAlex by LIST harvest scripts. Please refer to https://doi.org/10.5281/zenodo.18063691 for the original and latest version of the publication*** (2026-07-01)
Subject Other
Keyword Diatom, Conical surface, Table (database), Taxonomy (biology), Basal (medicine)
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