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Authority

H.A.Thomsen, in Thomsen et al. (1990: 372, figs 22–26)

Class

Craspedophyceae/Choanoflagellida

Order

Choanoflagellida

Family

Acanthoecidae

Additional References

Takahashi (1981: figs 17–19, as “Pleurasiga sp. 4”)

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Basionym

N/A

Synonyms

N/A

Description

[after Thomsen et al. (1990)] Cells solitary. Lorica 16–22 µm long overall, 15–19 µm diameter at lorica end. Longitudinal costae 12; transverse costae 3. All costal strips are thin rods; longitudinal costal strips project distally from the third anterior transverse costa, forming a circle of spines. Protoplast obovoid, c. 4 × 7 µm (dried specimen), in the centre of the lorica. Flagellum to 25 µm long.

Distribution

Weddell Sea (Thomsen et al., 1991a).

Comments

N/A

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