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Authority

Kent (1881: 544, pl. 27, fig. 56)

Class

Oligohymenophorea

Order

Pleuronematida

Family

Pleuronematidae

Additional References

Kahl (1931: 388), Dragesco (1968: 91), Borror (1972: 58), Foissner et al. (1994: 278), Song (2000: 316)

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Basionym

N/A

Synonyms

N/A

Description

In vivo 60–100 (–150) × 30–55 µm. Body elongate-ovoid to ellipsoidal, laterally slightly flattened; oral area c. two-thirds of body length. Somatic kineties 35–48, 4–6 preoral. Caudal cilia c. 10–15, elongate and stiff posteriorly. Adoral membranelles (oral polykinetids) 3, inconspicuous; undulating membrane prominent. Extrusomes c. 4 µm long. Macronucleus 1; micronuclei 1–8. Contractile vacuole subterminal on dorsal side. Movement: moderately fast, slightly wobbly, motionless for some seconds.

Distribution

Ross Sea (Albergoni et al., 2000); Atlantic sector of the Southern Ocean (Song & Wilbert, 2002); cosmopolitan in marine and fresh waters.

Comments

N/A

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