| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Semiorbis R. Patrick in R. Patrick & C.W. Reimer 1966, pg. 162 | |
| Generitype | T: Semiorbis hemicyclus (C.G. Ehrenberg) R. Patrick in R. Patrick & C.W. Reimer 1966 (= Synedra hemicyclus C.G. Ehrenberg 1840) |
| Designated by | Patrick in Patrick & Reimer (003167) |
| Year Designated | 1966 |
| Nomenclatural status | valid |
| Recent revisions | |
| Comments | Type by original designation (also monotypic) |
| Published in |
Patrick, R.M. and Reimer, C.W. 1966 (ref. 3167) The Diatoms of the United States exclusive of Alaska and Hawaii. Volume 1. Fragilariaceae, Eunotoniaceae, Achnanthaceae, Naviculaceae Monographs of the Academy of Natural Sciences of Philadelphia., Vol:13, 688 pp., 64 pls. |