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Authority

(Müller) Lamarck (1816: 30)

Class

Heterotrichea

Order

Heterotrichida

Family

Folliculinidae

Additional References

Kahl (1932: 470), Hadzi (1951: 111)

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Basionym

Vorticella ampulla Müller (1786: 283, pl. 40, figs 4–7)

Synonyms

N/A

Description

Lorica 135–200 × 90–100 µm, ovoid to broadly bottle-shaped, colourless; ampulla lying; neck rather short, rising at an angle of c. 45-60° from substratum; opening slightly everted. Trophont dark green, contractile; short peristomial wings roundish to elongate, dorsally scarcely separate. Macronucleus 1. Epizoic on bryozoans.

Distribution

Indian sector of the Southern Ocean (Schröder, 1906a); North Atlantic (Claparède & Lachmann, 1858); Greenland (Vanhöffen, 1897); North Sea (Kahl, 1932); White Sea (Mereschkowsky, 1879); widespread.

Comments

According to Hadzi (1951), several species are aggregated under the name F. ampulla. Thus, for example F. ampulla sensu Laackmann (1910b) in the Southern Ocean is Lagotia gigantea (see below).

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