1 record found in the Index Nominum Genericorum database.
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[C] Gyrosigma Hassall, Hist. Brit. Freshw. Algae 435. 1845 (nom. cons.).
T.: G. hippocampus (Ehrenberg) Hassall ('hippocampa') (Navicula hippocampus C. G. Ehrenberg)
nom. rej. vs. Pleurosigma W. Smith 1852 (nom. cons.)
Gyrosigma is conserved over its taxonomic synonym Scalptrum Corda 1835 and is itself a taxonomic synonym of Pleurosigma.
BACILLARIOPHYTA (92) 9 Feb 1996