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Authority

(Laackmann) Laackmann (1910a: 376, pl. 41, figs 1–8)

Class

Spirotrichea

Order

Tintinnida

Family

Xystonellidae

Additional References

Balech (1947: 81), Sassi & Melo (1986: 76), Van der Spoel (1986: 7), Barria de Cao (1987: 278), Alder (1999: 349)

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Basionym

Cyttarocylis drygalskii Laackmann (1907: 236, fig. 2)

Synonyms

Cymatocylis flava f. typica Laackmann (1910a: 371, pl. 39, figs 2, 4), pro parte
Cymatocylis cylindrus (Laackmann) Kofoid & Campbell (1929: 135, fig. 259)
Cymatocylis ecaudata Kofoid & Campbell (1929: 137, fig. 263)
Cymatocylis ovata (Laackmann) Kofoid & Campbell (1929: 141, fig. 257)
Cymatocylis typica Laackmann, in Kofoid & Campbell (1929: 145, fig. 260)

Description

Lorica 140–340 × 70–125 µm, cylindrical; rim serrated and bent downwards, often with a short antapical horn; wall hyaline. Coxlielliform lorica cylindrical, annulated. Trophont with 19 adoral membranelles. Macronuclear nodules 2; micronuclei 2.

Distribution

Indian sector of the Southern Ocean (Laackmann, 1910a; Grey et al., 1997); Pacific sector of the Southern Ocean (Balech, 1958b); Ross Sea (e.g. Monti & Fonda Umani, 1995; Fonda Umani et al., 1998); Bellingshausen Sea (e.g. Balech 1958a, 1973a; Barria de Cao, 1987); Atlantic sector of the Southern Ocean (e.g. Wasik & Mikolajczyk, 1990; Thompson et al., 1999); Weddell Sea (e.g. Balech & El-Sayed, 1965; Heinbokel & Coats, 1986; Boltovskoy & Alder, 1992); South Atlantic (Alder, 1999).

Comments

N/A

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