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Authority

Hasle (1965b: 41, pl. 9, figs 11, 12; pl. 15, figs 1–5)

Class

Diatomophyceae

Order

Pennales

Family

Bacillariaceae

Synonyms

Nitzschia barbieri var. latestriata Perag. (Peragallo, 1921: 66, pl. 3, fig. 21)

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Basionym

N/A

Additional References

Hasle & Medlin (1990c: 181, pl. 24.4, figs 11, 12; pl. 24.7, figs 1–5)

Description

Cells solitary or in short chains with cells attached by valve faces, elliptical to lanceolate in valve view; apical axis 32–90 µm; transapical axis 7–8 µm. Transapical striae straight in the middle of the cell, curved near valve poles, 7–9 in 10 µm. Interstrial membranes with 2 rows of poroid areolae; areolae c. 16 in 10 µm. Fibulae present in the same density as striae. Pseudonodulus absent.

Distribution

Type locality, Argentine Is., Antarctic Peninsula (Peragallo, 1921; Hasle, 1965b); Antarctic pack-ice, Bellingshausen Sea, BRATEGG (Hasle, 1965b).

Comments

This species has rarely been reported since its original description.

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