Acanthoceras (diatom)
''Acanthoceras'' is a genus of radially symmetric planktonic diatoms comprising two taxonomically accepted species. They do not have any ''raphe Raphe (; from Greek ῥαφή, "seam"Liddell, H.G. & Scott, R. (1940). ''A Greek-English Lexicon. revised and augmented throughout by Sir Henry Stuart Jones. with the assistance of. Roderick McKenzie.'' Oxford: Clarendon Press.) has several diffe ...'' and therefore lack motility. It appears rectangular with two setae extending from each valve. Not much is known about this genus because it is easily destroyed using common preparation techniques. They can be found all over North America in small lakes and short-lasting ponds. Species * '' Acanthoceras madgeburgense'' * '' Acanthoceras zachariasii'' References * * Spaulding, S., Edlund, M. (2009). Acanthoceras. In Diatoms of North America. Retrieved March 11, 2022, from https://diatoms.org/genera/acanthoceras Coscinodiscophyceae Diatom genera {{diatom-stub ...
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