Pseudofrustulia Sawai et Nagumo, 2016

Sawai, Yuki, Nagumo, Tamotsu & Nelson, Alan R., 2016, A brackish diatom, Pseudofrustulia lancea gen. et sp. nov. (Bacillariophyceae), from the Pacific coast of Oregon (USA), Phytotaxa 267 (2), pp. 103-112 : 104

Pseudofrustulia Sawai et Nagumo , gen. nov.

Valves lanceolate. Striae uniseriate. Raphe with helictoglossae at the distal ends, with a nodule at the proximal ends, enclosed between two internal ribs. Distal part of the internal ribs fused with helictoglossae, independent from the raphe and the proximal nodule. Areolae are poroids, present on the inner side of the valve between the axial ribs and raphe. Valvocopula opening. Notched features in the middle of valvocopula. Pleura perforated.

Type:— Pseudofrustulia lancea Sawai et Nagumo.

Etymology: — the genus epithet is composed of the ancient Greek word “ pseudo ” with the meaning of “resembling to,” and Frustulia .