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Authority
Claparède & Lachmann (1859: 371, pl. 13, fig. 6)
Class
Spirotrichea
Order
Strombidiida
Family
Strombidiidae
Additional References
Borror (1963: 508), Fauré-Fremiet & Ganier (1970: 207), Montagnes et al. (1990: 319), Song et al. (2000: 333)
Basionym
N/A
Synonyms
Strobilidium sulcatum Claparède & Lachmann sensu Hada (1970: 27), par lapsus
Description
In vivo 30–60 × 18–40 µm. Body obovoid to broadly ellipsoidal, with a prominent apical protrusion in median part (disappears after fixation). Equatorial kinety subequatorial, continuous ventrally. Ventral kinety extending from antapical pole c. halfway to equatorial kinety. Anterior adoral membranelles 12–16, continuous with 7–9 ventral membranelles. Girdle of prominent extrusomes (c. 15–20 µm long, in bundles) parallel to equatorial kinety. Subpellicular platelet layer in posterior half of cell. Macronucleus 1; micronucleus 1. Contractile vacuole 1. Movement: fast.
Distribution
Indian sector of the Southern Ocean (Hada, 1970); Bellingshausen Sea (Klöser, 1990); cosmopolitan.
Comments
N/A