Thalassiosira eccentrica (Ehrenberg) Cleve (Figure 5)

Literature: (Fryxell and Hasle 1972, p. 300, figs. 1–18; Hendey 1964: p. 80, pl. 24, fig. 7 [as Coscinodiscus eccentricus Ehrenberg]; Simonsen 1974, p. 9, pl. 2, figs. 1–3).

vr, very rare, few cells found; r, rare, 1 – 5 %; f, frequent, 5 – 20 %; c, common,> 20 %; –, not observed. a Reported as Amphora cf. fogediana (Grunow) Lange-Bertalot in Al-Handal and Wulff (2008 a). b Reported as Caloneis sp. 1 in Al-Handal and Wulff (2008 a). c Reported as Cocconeis schuettii Van Heurck in Al-Handal and Wulff (2008 a). d Reported as Achnanthidium exigua (Grunow) Lange-Bertalot in Al-Handal and Wulff (2008 a). e Reported as Amphora holsatica Husted in Al-Handal and Wulff (2008 a). f Reported as Amphora rhombica Kitton ex A. Schmidt in Al-Handal and Wulff (2008 a).

Description: Diameter: 48–55 µm.

Ecology and distribution: A widely distributed marine neritic species, known from the Arctic (Katsuki et al. 2004). Rare in Potter Cove.