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Authority

(Gran) Lillick (1937: 497)

Class

Dinophyceae

Order

Prorocentrales

Family

Prorocentraceae

Basionym

Exuviaella perforata Gran (1915: 99, fig. 7)

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Synonyms

Porella bisimpressa J.Schiller (1928: 54, fig. 12), nom. illeg.
Porella perforata J.Schiller (1928: 55, fig. 12), nom. illeg.
Porella adriatica J.Schiller (1928: 56, fig. 11), nom. illeg.
Porella globulus J.Schiller (1928: 56, fig. 13), nom. illeg.
Porella asymmetrica J.Schiller (1933: 27, fig. 29), nom. illeg.
Porotheca perforata (Gran) Silva (1960: 23)

Additional References

Dodge (1982: 24, text fig. 2A, B; pl. 1a, b); Steidinger & Tangen (1997: 419)

Description

Cells round in valve view, flattened, 14–17 µm long, 15–21 µm diameter. Epitheca and hypotheca each with a central pore. Girdle ribbed, 2–5 µm wide, with 2 flagellar pores. Theca densely covered with small papillae; area around the central pore smooth. Periphery of each valve with a row of pores. Chloroplasts 2, one each in the epitheca and hypotheca.

Distribution

Southern Ocean, 43–63°S, south of Australia.

Comments

N/A

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