Pseudotetracystis terrestris Arneson 1973

Pseudotetracystis terrestris Arneson

Current name: Pseudotetracystis terrestris Arneson - 05 January 2012. Valerie R. Flechtner

Publication Details
Pseudotetracystis terrestris Arneson 1973: 11, figs 1-12

Published in: Arneson, R.D. (1973). Pseudotetracystis, a new chlorosarcinacean alga. Journal of Phycology 9: 10-14.

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Type Species
This is the type species (holotype) of the genus Pseudotetracystis.

Status of Name
This name is of an entity that is currently accepted taxonomically.

Origin of Species Name
Adjective (Latin), growing on the ground or soil, as opposed to rocks or trees (Stearn 1983).

Description
Single vegetative cells spherical to oblong, 5.5-18 µm wide in mature cultures; dividing cells to 22 µm. Flat and raised packets of cells formed by vegetative division which produces 2-4 (rarely 8) daughter cells which often adhere in small groups; several generation of cells sometimes visible inside a single cell wall. One (rarely 2) chloroplast which can be lobed or asteroid; one (rarely 2) pyrenoids with large starch grains covering the hull. No extracellular matrix is present. Naked zoospores are dorsal-ventrally flattened and are of varying sizes (2-4 µm wide by up to 12 µm long); some are very flexible. Typically 4-8 zoospores produced per sporangium. Zoospores have a round posterior and either a round or pointed anterior; a small stigma, nucleus and 2 contractile vacuoles are positioned at the anterior end; no pyrenoid was observed. No caroteniod pigment was observed. UTEX1927

Habitat
Isolated from soil collected near Reagan County Texas

Created: 02 May 2002 by M.D. Guiry.

Last updated: 05 March 2013

Verification of Data
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Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=51835

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 05 March 2013. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 13 December 2024

 
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