Luticola australomutica Van de Vijver 2008
Luticola australomutica Van de Vijver in Van de Vijver & Mataloni 2008: 458, 460, figs 39-51
Published in: Van de Vijver, B. & Mataloni, G. (2008). New and interesting species in the genus Luticola D.G. Mann (Bacillariophyta) from Deception Island (South Shetland Islands). Phycologia 47(5): 451-467, 104 figs, 1 table.
Publication date: 2008
Status of name
This name is of an entity that is currently accepted taxonomically.
Type locality: Near Crater Lake, Deception Island, South Shetland islands (Van de Vijver & Mataloni 2008: 458). Holotype: Mataloni; 14 February 2002; See L. gigamuticopsis. BR 4114 (Van de Vijver & Mataloni 2008: 458). Notes: Isotypes: PLP-108 (UA), BRM-ZU6/55.
No synonyms are currently included in AlgaeBase.
This is a terrestrial species.
Valves lanceolate to linear-lanceolate with convex margins and broadly rounded apices. Smaller valves tending to become more elliptic-lanceolate. Valve length 19–29 µm, valve width 6.5–8.0 µm. Axial area rather wide, linear, forming a large hyaline area bordering the raphe branches, widening near the apices. Central area rectangular to slightly wedge-shaped forming a stauros bordered on both sides by one row of rounded marginal areolae. One more or less circular stigma present, rather isolated in between the central raphe endings and the valve face margin. Raphe branches straight. Central raphe endings distinctly deflected opposite to the stigma, bent with simple central pores. Terminal raphe fissures clearly elongated, first weakly deflected towards the same side as the central endings, then rather straight towards the valve apices, terminating well after the final row of areolae. Transapical striae radiate throughout, 20–22 in 10 µm. Striae ending at some distance before the valve apices leaving a rather large hyaline area at the valve apices; each stria consisting of two to three small, rounded areolae. Marginal areolae larger and near the central area weakly transapically elongated. The internal structures could not be observed.
See habitat of type. Also found at other sites e.g. Fumarole Bay, a coastal area with ongoing volcanic activity. The sample from Fumarole Bay is dominated by Pinnularia borealiss.l., Psammothidium germainii and several Muelleria species.
Levkov, Z., Metzeltin, D. & Pavlov, A. (2013). Luticola and Luticolopsis. In: Diatoms of Europe. Diatoms of the European inland waters and comparable habitats. Volume 7. (Lange-Bertalot, H. Eds), pp. 1-698. Königstein: Koeltz Scientific Books.
Sterken, M., Verleyen, E., Jones, V.J., Hodgson, D.A., Vyverman, W., Sabbe, K. & Van de Vjver, B. (2015). An illustrated and annotated checklist of freshwater diatoms (Bacillariophyta) from Livingston, Signy and Beak Island (Maritime Antarctic Region). Plant Ecology and Evolution 148(3): 431-455.
Zindarova, R., Kopalová, K. & Van der Vijver, B. (2016). Diatoms from the Antarctic region: maritime Antarctica. Bibliotheca Diatomologica 28: [i]-vii, 9-504, 216 pls.
Created: 11 November 2008 by G.M. Guiry
Verified by: 20 October 2018 by M.D. Guiry
Accesses: This record has been accessed by users 221 times since it was created.
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Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=133850
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2021. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 23 June 2021.