new combination referenceMereschkowsky, C. (1901). List of California Diatoms. Annals and Magazine of Natural History, series 7,, 7: 292-300, 474-480, 505-520, pl. 4-5. page(s): p. 515 [details]
new combination referenceMills, F.W. (1933). An index to the genera and species of the diatomaceae and their synonyms. 1816-1932. Part 4 (At-Bi). Wheldon & Wesley, Limited. London, pp. 223-296 page(s): p. 280 [details]