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Authority

Petz (1994: 186, figs 1–7)

Class

Spirotrichea

Order

Strombidiida

Family

Strombidiidae

Additional References

N/A

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Basionym

N/A

Synonyms

N/A

Description

In vivo 40–55 × 35–50 µm. Body spherical to slightly ellipsoidal. Peristomial field small; shallow oral cavity apical, separated from ventral surface by cytoplasmic wall. Adoral zone inconspicuous; anterior adoral membranelles 14–17, continuous with 4–6 ventral membranelles that invaginate on anterior surface, forming a closed circle in top view. Equatorial kinety usually continuous ventrally. Short ventral kinety in posterior third of cell. Girdle of 8–13 µm long extrusomes equatorial. Subpellicular platelet layer in posterior half of cell. Macronucleus 1; micronucleus 1. Contractile vacuole 1. Cytoplasm containing sequestered chloroplasts. Movement: rapid, rotating about main body axis.

Distribution

Weddell Sea (Petz, 1994).

Comments

N/A

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