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Placoneis explanata

(Hustedt) Mayama in Mayama & Kawashima 1998      Category: Symmetrical biraphid
BASIONYM: Navicula explanata
SYNONYM(S): Placoneis explanata (Hustedt) Lange-Bertalot in Rumrich et al. 2000 

Placoneis anglophila

 

Placoneis gastrum

Contributor: Mark Edlund - June 2017