Frankovich, T.
(2022).
Amicula.
In Diatoms of North America.
Retrieved September 07, 2024, from https://diatoms.org/genera/amicula
Symmetric Biraphid
Amicula
Valves small (<10 µm)
Marginal ring of areolae
Raphe branches terminate before apices
Central nodule distinct
Central area thickened
The genus Amicula was originally a monospecific genus created by Witkowski, Lange-Bertalot and Metzeltin in 2000. At that time, the genus consisted only of Amicula speculum, which Witkowski described in 1994 as Navicula speculum from Puck Bay, Poland in the Baltic Sea (Witkowski 1994).
Amicula is a small (<10 um), raphid, marine...