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Authority

Entz (1884: 387, pl. 23, figs 24–27)

Class

Spirotrichea

Order

Strombidiida

Family

Strombidiidae

Additional References

Kahl (1932: 495), Alekperov & Mamaeva (1992: 10), Song & Bradbury (1998: 769)

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Basionym

N/A

Synonyms

Strombidium hadai Maeda & Carey (1985: 45, fig. 75)
Strobilidium elegans Hada (1970: 28, fig. 42)

Description

In vivo 30–54 × 15–28 µm. Body elongate-obconical, with an apical protrusion in median part (indistinct in fixed specimens); posterior portion contractile. Equatorial kinety supraequatorial, continuous ventrally. Very short ventral kinety c. in posterior eighth of cell. Anterior adoral membranelles 15–18, continuous with 6 or 7 ventral membranelles. Prominent girdle of 16–30 µm long extrusomes supraequatorial, possibly mistaken as “longitudinal stripes” by Hada (1970). Macronucleus 1; micronucleus 1. Contractile vacuole 1. Movement: moderately to very fast.

Distribution

Antarctic and/or sub-Antarctic areas of the Indian Ocean (Hada, 1970); Pacific (Song & Bradbury, 1998); Bering Sea (Alekperov & Mamaeva, 1992); Mediterranean Sea (Entz, 1884).

Comments

N/A

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