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Authority

Petz, Song & Wilbert (1995: 84, fig. 24)

Class

Heterotrichea

Order

Heterotrichida

Family

Folliculinidae

Additional References

Fauré-Fremiet (1936: 1153), Das (1948: 452), Ringuelet (1953a: 196; 1953b: 231)

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Basionym

Semifolliculina simplex Dons (1918: 78, fig. 2)

Synonyms

Lagotia simplex (Dons) Dons (1928: 7, fig. 7)
Folliculina simplex (Dons) Kahl (1932: 473, fig. 77.23, 26)

Description

Lorica 135–200 × 65–120 µm, ovoid, dark green, flattened; neck very short; opening narrow; ampulla lying (attached to substratum by its broad lateral side). Trophont 190–220 µm long, coloured blue due to pigment granules; short peristomial wings rounded, unequal. Macronucleus 1. Epibiotic on algae, molluscs and isopods.

Distribution

Bellingshausen Sea (Ringuelet, 1953a); Atlantic (Dons, 1918; Fauré-Fremiet, 1936; Das, 1948).

Comments

A new variety (now subspecies) Ascobius simplex irregularis was described by Ringuelet (1953a: 198, figs 4–7) for Antarctic specimens with an irregular lorica outline.

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