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Authority

(Cleve) Poulin & Cardinal (1983: 114, figs 23, 24) var.  kjellmanii

Class

Diatomophyceae

Order

Pennales

Family

Entomoneidaceae

Synonyms

Entomoneis kjellmanii var. typica Cleve-Euler (1952: 31), nom. inval.
See VanLandingham (1967–79: 167) for details of synonymy.

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Basionym

Amphiprora kjellmanii Cleve, in Cleve & Grunow (1880: 15, pl. 4, fig. 83)

Additional References

De Toni (1891: 334), Cleve (1894: 16), Meunier (1910: 291, pl. 32, figs 4, 6, 7), Boyer (1927: 484), Hendey (1937: 349; 1964: 253), Everitt & Thomas (1986: 9, fig. 2F)

Description

Cells large, solitary, twisted about the valvar axis, compressed and usually lying in girdle view (where rectangular in shape); apical axis 60–130 µm; transapical axis 30–40 µm. Valves elliptical to lanceolate; apices rounded, with a prominent wing-like keel supporting the raphe. Valve striae 15–16 in 10 µm (valve) and 11–12 in 10 µm (keel) (Poulin & Cardinal, 1983). Copulae numerous, open, porous. Chloroplast single, plate-like and bi-lobed, or 2 per cell.

Distribution

Type locality, Kara Sea, Arctic (Cleve & Grunow, 1880); Davis Station, Prydz Bay, East Antarctica (Everitt & Thomas, 1986); Ross Sea (Andreoli et al., 1995); Syowa Station (Fryxell & Johansen, 1990); Weddell-Scotia Confluence (Garrison et al., 1987).

Comments

Another variety, E. kjellmanii var. subtilissima van Heurck was recorded from 69°05’S 04°25’W and 69°43’S 06°30’E, Southern Ocean, Pacific sector (Hustedt, 1958).

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