original description(ofNavicula powelli var. galapagensis Cleve, 1881)Cleve, P.T. (1881). On some new and little known diatoms. Kongliga Svenska-Vetenskaps Akademiens Handlingar, 18(5): 1-28, 6 pls page(s): p. 11; pl. 3, fig. 30 [details]
new combination referenceMills, F. W. (1934). An index to the genera and species of the diatomaceae and their synonyms. 1816-1932. Part 17 (Ni-Pl). <em>Wheldon & Wesley, Limited. London.</em> pp. 1241-1320. page(s): p. 1253 [details]