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Authority

(Lyngb.) C.Agardh (1832: 56)

Class

Diatomophyceae

Order

Centrales

Family

Triceratiaceae

Synonyms

Biddulphia aurita (Lyngb.) Bréb. & Godey (Brébisson & Godey, 1838: 12)

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Basionym

Diatoma aurita Lyngb. (Lyngbye, 1819: 182, pl. 62, fig. D)

Additional References

Cupp (1943: 161, fig. 112), Hasle & Syvertsen (1997: 239, pl. 49, tab. 62)

Description

Cells coarsely silicified, solitary or forming short zig-zag chains, rectangular in girdle view with slightly raised divergent apical corners; pervalvar axis 31–50 µm. Valves elliptical in valve view; valve face between corners evenly inflated; apical axis 10–97 µm. Valve areolae 8–11 in 10 µm; girdle band areolae 8–14 in 10 µm. Labiate processes 2 per valve, with long curved external tubes. Chloroplasts numerous, stellate.

Distribution

Ross Sea (Watanabe, 1982); Wilkes Land, Antarctica (Bunt & Wood, 1963); cosmopolitan? (Hasle & Syvertsen, 1997); Prydz Bay, SIBEX (Boden, 1985).

Comments

N/A

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