Hoban, M.A. (1983). Biddulphioid diatoms II: The morphology and systematics of the Pseudocellate species, Biddulphia biddulphiana (Smith) Boyer, B. alternans (Bailey) Van Heurck, and Trigonium arcticum (Brightwell) Cleve. Botanica Marina, 26(6): 271-284
265800
Hoban, M.A.
1983
Biddulphioid diatoms II: The morphology and systematics of the Pseudocellate species, Biddulphia biddulphiana (Smith) Boyer, B. alternans (Bailey) Van Heurck, and Trigonium arcticum (Brightwell) Cleve