Published December 13, 2023
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TABLE 5 in Small naviculoid species of Kobayasiella Lange-Bertalot, Adlafia Moser, Lange-Bertalot & Metzeltin, Nupela Vyverman & Compère and Sellaphora Mereschowsky from Tursujuq National Park, Hudson Bay region, Nunavik, Québec
Authors/Creators
- 1. Université Laval, Département de Géographie et Centre d'études nordiques (CEN), Pavillon Abitibi-Price, 2405 rue de la Terrasse, Québec G 1 V 0 A 6 (Canada)
- 2. Canadian Museum of Nature, Research and Collections Division, PO Box 3443, Station D, Ottawa, ON, K 1 P 6 P 4 (Canada)
Description
TABLE 5. — Comparison of distinct morphological traits among the genera Kobayasiella Lange-Bertalot, Adlafia Moser, Lange-Bertalot & Metzeltin, Nupela Vyverman & Compère, and Sellaphora Mereschkowski.
| Kobayasiella | Adlafia | Nupela | Sellaphora | |
|---|---|---|---|---|
| Frustule | Light to moderately silicified – | – | – | – |
| Shape | Linear-elliptic, linear- lanceolate | – | – | – |
| Raphe | Straight and filiform | Linear to weakly curved | – | Slightly deflected and curved |
| Umbilicus | Kink-like irregularity closer to valve apices along the raphe fissure | Absent | – | – |
| Terminal raphe fissure | Hooks on the valve face, does not continue onto the mantle | Bends in the same direction and extends to the mantle | – | Terminates in a long helictoglossa |
| Areolae | – | Large and round, covered externally by a multiseriate hymen and a silica layer at the outer periphery of each areola | Elliptical in outline, externally covered with a hymen | Presence of hymen that obscures small areolae details |
| Striae | Alveolae-like apertures with – recessed pores, arranged radially at the mid-valve changing to convergent at the Voigt fault and then extending to the apices | – | – | – |
| Internal structure | Narrow raised sternum, – straight or T-shaped proximal ends of the raphe, small raised helictoglossa at the distal end | – | – | Central raphe ends deflected, terminal raphe fissure terminates in a long helictoglossa |
| Genetic affiliation | – | Distant from Kobayasiella, aligned with Geissleria and Placoneis | Chloroplast genetic affinity to Pinnularia and Stauroneis | Genetically associated with Eolimna |
Notes
Published as part of Alibert, Marie, Hamilton, Paul B., Pienitz, Reinhard & Antoniades, Dermot, 2023, Small naviculoid species of Kobayasiella Lange-Bertalot, Adlafia Moser, Lange-Bertalot & Metzeltin, Nupela Vyverman & Compère and Sellaphora Mereschowsky from Tursujuq National Park, Hudson Bay region, Nunavik, Québec, pp. 182 in Cryptogamie, Algologie 20 (9) on page 182, DOI: 10.5252/cryptogamie-algologie2023v44a9, http://zenodo.org/record/10376356
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- Is part of
- Journal article: 10.5252/cryptogamie-algologie2023v44a9 (DOI)
- Journal article: urn:lsid:plazi.org:pub:5751FFFB2B2DFFFFFFF2FF95FFB64879 (LSID)
- Journal article: http://publication.plazi.org/id/5751FFFB2B2DFFFFFFF2FF95FFB64879 (URL)
- Journal article: http://zenodo.org/record/10376356 (URL)