Frankovich, T.,
Al-Handal, A.,
Sullivan, M.,
Ashworth, M.
(2025).
Pseudogomphonema.
In Diatoms of North America.
Retrieved March 19, 2025, from https://diatoms.org/genera/pseudogomphonema
Symmetric Biraphid
Pseudogomphonema
Valves heteropolar
Areolae lineolate
Frustule cuneate
Apices with internal chambers (one or both poles)
Plastids, two, girdle-appressed
Pseudogomphonema
is one of three marine diatom genera created from division of the genus Gomphonema by Medlin and Round (1986), and is one of several genera that they referred to as the “marine gomphonemoids”. These “marine gomphonemoids” are not monophyletic groups. However, they exhibit a superficial resemblance to Gomphonema
in their...