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Authority

(Brandt) Laackmann (1910a: 451)

Class

Spirotrichea

Order

Tintinnida

Family

Xystonellidae

Additional References

Brandt (1907: 244), Jörgensen (1924: 34)

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Basionym

Cyttarocylis (Xystonella) acus Brandt (1906: 6, pl. 45, figs 4–6)

Synonyms

N/A

Description

Lorica 250–580 × 50–115 µm, elongate chalice-shaped, apically usually slightly dilated, frequently somewhat widened in middle portion; antapical horn highly refractile, thus easily recognisable, of variable length; wall hyaline and reticulate. Trophont with 2 macronuclear nodules and 2 micronuclei.

Distribution

Weddell Sea (Song & Wilbert, 2000a); Atlantic (Brandt, 1907; Laackmann, 1910a); Mediterranean Sea (Jörgensen, 1924).

Comments

N/A

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