original description
(of Spatangidium ralfsianum G.Norman, 1859) Greville, R.K. (1859). Descriptions of Diatomaceae observed in Californian guano. Quarterly Journal of Microscopical Science, London, 7: 155-166, pl. 7, 8.
page(s): p. 161-162; pl. 7, fig. 7, 8 [details]
additional source
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]
new combination reference
Grunow, A. (1867). Diatomeen auf Sargassum von Honduras, gesammelt von Lindig. Hedwigia, 6(1-3): 1-8, 17-32, 33-37
page(s): p. 32 [details]
new combination reference
Schmidt, A. (1876). Atlas der Diatomaceen-kunde. <em>Aschersleben, Commissions-Verlag Von Ludwig Siever's Buchandlung.</em> Series I (Heft 9-10): pls. 33-40.
page(s): pl. 38, fig. 5-7 [details]
From editor or global species database
To NHMUK collection (Asteromphalus ralfsianus Grunow; Syntype; NHMUK:ecatalogue:4734604)
Hosted externally