Xanthidium


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Xan`thid´i`um


n.1.(Bot.) A genus of minute unicellular algæ of the desmids. These algæ have a rounded shape and are armed with glochidiate or branched aculei. Several species occur in ditches, and others are found fossil in flint or hornstone.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
laportei(Ehrenberg) Teiling Desmidium cylindricum Greville Staurodesmus cuspidatus (Brebisson) Ralfs Euastrum abruptum Nordstedt Tetmemorus brebissonii (Meneghini) Ralfs Euastrum denticulatum Gay Xanthidium antilopaeum (Brebisson in Meneghini) Kutzing Xanthidium horridum Skuja EUGLENOPHYCEAE Euglena acus (Muller) Ehrenberg Phacus tortus Lemmermann Skvortzow Euglena acus var.
Now this might have been the perfect opportunity to use a unicellular algae like Xanthidium. However, Anderson probably chose extreme to appeal to the age group he is targeting.
Genera in the Scenedesmaceae include Scenedesmus and Coelastrum, genera in the Desmidiaceae include Micrasterias, Desmidium, Cosmarium, Gonatozygon, Bambusina, Pleurotaenium, Staurastrum, Arthrodesmus, Xanthidium, and Closterium.
0.1 5.4 Xanthidium octocorne 4.6 18.9 Ehrenberg ex Ralfs Unidentified 0.1 4.1 Chlorococcal 1 Unideintfied 0.0 1.4 Chlorococcal 2 Unidentified Volvocal 0.1 4.1 Euglenophyta Euglena sp.
Borge Staurodesmus Rainy -- -- -- -- -- -- triangularis Dry 9 -- 3 3 -- 3 (Lagerheim) Teiling Xanthidium antilopaeum Rainy -- -- -- -- -- -- (Brebisson) Kutzing Dry -- -- -- -- -- -- BACILLARIOPHYTA 413 569 139 595 760 211 Aulocoseira ambigua Rainy -- -- 23 -- -- 23 (Grunow) Simonsen Dry -- -- -- -- -- -- Aulocoseira granulata Rainy -- -- 3 -- -- -- (Ehrenberg) Simonsen Dry -- -- -- -- -- -- Encyonema minutum Rainy -- -- -- -- -- 3 (Hilse) D.G.