| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Gyrosigma eximium (Thwaites) Boyer 1927, p. 462 | |||
| Basionym | Schizonema eximium Thwaites 1848 | ||
| Status | Valid | ||
| Published in | Boyer, C.S. 1927 [ref. 000946]. Synopsis of North American diatomaceae, supplement, part 2.-Naviculatae, Surirellatae. Proceedings of the Academy of Natural Sciences of Philadelphia 79:229-583. | ||
| Type | Click here to view INA card. Click here to check this name in the INA website. | ||
| Collector | Assessment of record accuracy | likely accurate | |
| List of nomenclatural synonyms | Colletonema eximium (Thwaites) Kützing 1849 Pleurosigma eximium (Thwaites) Grunow in Cleve & Grunow 1880 Scalprum (Scalptrum) eximium (Thwaites) Kuntze 1891 Schizonema eximium Thwaites 1848 Gyrosigma eximium (Thwaites) Boyer emend Giffen 1970 Endosigma eximium (Thwaites) Juhlin-Dannfelt 1882 | ||