Heterocapsa pseudotriquetra Iwataki, G.Hansen & Fukuyo 2002
Publication Details
Heterocapsa pseudotriquetra Iwataki, G.Hansen & Fukuyo 2002: 394-403, Figs 1-18
Published in: Iwataki, M., Hansen, G., Sawaguchi, T., Hiroishi, S. & Fukuyo, Y. (2004). Investigations of body scales in twelve Heterocapsa species (Peridiniales, Dinophyceae), including a new species H. pseudotriquetra sp. nov.. Phycologia 43(4): 394-403, 52 figs, 3 tables.
Request PDFPublication date: "Published 30 July 2004"
Type Species
The type species (neotype) of the genus Heterocapsa is Heterocapsa steinii Tillmann, Gottschling, Hoppenrath, Kusber & Elbrächter.
Status of Name
This name is of an entity that is currently accepted taxonomically.
Type Information
Izuhara, Tsushima Island, Nagasaki, Japan (34º11'N, 129º17'E); (Iwataki & al. 2004: 395) Holotype: March 1986; (Iwataki & al. 2004: 395, 394) Notes: Holotype: Fig. 18. Clonal strain NIES473 is maintained at the Microbial Culture Collection of the National Institute for Environmental Studies (NIES). Isolated by T. Sawaguchi.
Description
Motile cells of H. pseudotriquetra are spherical or ovoid. The epitheca and the hypotheca are hemispherical and of equal size or the epitheca may be slightly larger than the hypotheca. Cells measure 18.4-27.2 µm (x = 22.2 µm, n = 30) in length, and 14.4-21.6 µm (x = 17.2 µm, n = 30) in width (NIES473 strain). the cingulum is median or submedian and displaced about 0.5-1 times its own width. The sulcus is relatively wide, particularly towards the antapex. The nucleus is spherical and located in the central part of the epitheca. The chloroplast is located along the periphery of the cell. A spherical pyrenoid, surrounded by starch sheaths, is situated in the upper part of the hypotheca just below the nucleus. The pyrenoid matrix is penetrated by tubular invaginations.
Created: 16 November 2004 by Sandy Lawson.
Last updated: 06 January 2010
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Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 06 January 2010. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 16 April 2024
