DiatomBase
DiatomBase name details
Orthosira W. Smith, 1855
605105 (urn:lsid:marinespecies.org:taxname:605105)
unaccepted
Genus
- Species Orthosira roeseana (Rabenhorst) Pfitzer, 1871
- Species Orthosira americana (Kützing) Ralfs in Pritchard, 1861 (uncertain > unassessed)
- Species Orthosira angulata Gregory, 1857 (uncertain > unassessed)
- Species Orthosira antiqua (W. Smith) Lagerstedt, 1873 accepted as Cyclotella antiqua var. antiqua W. Smith, 1853 (uncertain > unassessed)
- Species Orthosira binderana (Kützing) Schonfeldt, 1907 accepted as Melosira binderana var. binderana Kützing, 1844 (uncertain > unassessed)
- Species Orthosira crenulata (Ehrenberg) Studnicka, 1888 (uncertain > unassessed)
- Species Orthosira crucicula De Toni, 1894 (uncertain > unassessed)
- Species Orthosira interjecta Janisch in Schmidt et al., 1892 (uncertain > unassessed)
- Species Orthosira italica (Ehrenberg) Schonfeldt, 1907 accepted as Gaillonella italica Ehrenberg, 1838 (uncertain > unassessed)
- Species Orthosira kuetzingiana (Thwaites) Heiberg, 1863 accepted as Cyclotella kuetzingiana f. kuetzingiana Thwaites, 1848 (uncertain > unassessed)
- Species Orthosira marina W. Smith, 1856 (uncertain > unassessed)
- Species Orthosira mirabilis W. Smith, 1856 (uncertain > unassessed)
- Species Orthosira nivalis W. Smith in Greville, 1855 (uncertain > unassessed)
- Species Orthosira oceanica Brightwell, 1860 (uncertain > unassessed)
- Species Orthosira operculata (Agardh) Heiberg, 1863 accepted as Frustulia operculata C.Agardh, 1827 accepted as Epithemia operculata (C.Agardh) Ruck & Nakov (uncertain > unassessed)
- Species Orthosira orichalcea (uncertain > unassessed)
- Species Orthosira punctata Gregory, 1854 (uncertain > unassessed)
- Species Orthosira punctata W. Smith, 1856 (uncertain > unassessed)
- Species Orthosira roeseana (Rabenhorst) O'Meara, 1876 accepted as Melosira roeseana f. roeseana Rabenhorst, 1854 (uncertain > unassessed)
- Species Orthosira rotula (Kützing) Heiberg, 1863 accepted as Melosira roeseana Rabenhorst, 1852 accepted as Aerophilia roeseana (Rabenhorst) Danz & Kociolek (uncertain > unassessed)
- Species Orthosira sculpta Grunow in Van Heurck, 1882 (uncertain > unassessed)
- Species Orthosira sol (Ehrenberg) Grunow in Van Heurck, 1882 accepted as Gaillonella sol Ehrenberg, 1844 (uncertain > unassessed)
- Species Orthosira solida Eulernstein ex Moller, 1868 (uncertain > unassessed)
- Species Orthosira splendida (uncertain > unassessed)
- Species Orthosira sulcata (Ehrenberg) O'Meara, 1875 accepted as Gaillonella sulcata Weisse, 1854 (uncertain > unassessed)
- Species Orthosira tenuis (Kützing) Rabenhorst, 1863 accepted as Melosira tenuis var. tenuis Kützing, 1844 (uncertain > unassessed)
- Species Orthosira tenuis (Kützing) Rabenhorst, 1861 accepted as Melosira tenuis var. tenuis Kützing, 1844 (uncertain > unassessed)
- Species Orthosira arenaria (Moore) W.Smith, 1856 accepted as Ellerbeckia arenaria (Moore ex Ralfs) R.M.Crawford, 1988 accepted as Melosira arenaria var. arenaria Moore ex Ralfs, 1843 (synonym)
- Species Orthosira granulata (Ehrenberg) Schonfeldt, 1907 accepted as Aulacoseira granulata (Ehrenberg) Simonsen, 1979 (synonym)
- Species Orthosira spinosa W.Smith, 1855 accepted as Liparogyra spinosa (W. Smith) Danz & Kociolek (unaccepted > junior subjective synonym)
Smith, W. (1855). Notes of an excursion to the south of France and the Auvergne in Search of Diatomaceae. Annals and Magazine of Natural History, 2nd series,, 15: 1-9, pl. 1. [details] 
Kociolek, J.P.; Blanco, S.; Coste, M.; Ector, L.; Liu, Y.; Karthick, B.; Kulikovskiy, M.; Lundholm, N.; Ludwig, T.; Potapova, M.; Rimet, F.; Sabbe, K.; Sala, S.; Sar, E.; Taylor, J.; Van de Vijver, B.; Wetzel, C.E.; Williams, D.M.; Witkowski, A.; Witkowski, J. (2026). DiatomBase. Orthosira W. Smith, 1855. Accessed at: https://www.diatombase.org/aphia.php?p=taxdetails&id=605105 on 2026-10-05
Date
action
by
original description
Smith, W. (1855). Notes of an excursion to the south of France and the Auvergne in Search of Diatomaceae. Annals and Magazine of Natural History, 2nd series,, 15: 1-9, pl. 1. [details]
basis of record Fourtanier, E. & Kociolek, J. P. (compilers). (2011). Catalogue of Diatom Names. California Academy of Sciences, On-line Version. Updated 2011-09-19., available online at http://researcharchive.calacademy.org/research/diatoms/names/index.asp [details]
basis of record Fourtanier, E. & Kociolek, J. P. (compilers). (2011). Catalogue of Diatom Names. California Academy of Sciences, On-line Version. Updated 2011-09-19., available online at http://researcharchive.calacademy.org/research/diatoms/names/index.asp [details]
Published in AlgaeBase 
To Catalogue of Diatom Names (CAS)
To NHMUK collection (Orthosira W.Sm.; NHMUK:ecatalogue:4742102)
To Catalogue of Diatom Names (CAS)
To NHMUK collection (Orthosira W.Sm.; NHMUK:ecatalogue:4742102)
Unreviewed
Hosted externally
