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Authority

Buddenbrock (1920: 344, fig. 4)

Class

Oligohymenophorea

Order

Philasterida

Family

Uronematidae

Additional References

Borror (1963: 495; 1965: 555), Petz et al. (1995: 88), Song & Wilbert (2000b: 62)

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Basionym

N/A

Synonyms

Parauronema virginianum Thompson (1967: 731, figs 1–7)
Uronema virginianum (Thompson) Foissner (1971: 47)
Uronema sp. (Fenchel & Lee, 1972: 233)
Parauronema sp. (Thompson & Croom, 1978: 53, fig. 12)

Description

In vivo 30–70 × 13–27 µm. Body fusiform, anteriorly tapering, posteriorly narrowly rounded; frontal plate small; oral apparatus in anterior half of cell. Somatic kineties 9–14 (c. 22 kinetosomes per row); caudal cilium 13–17 µm long. Adoral membranelles 3, small; membranelle 1 composed of 2 ciliary rows; paroral membrane indistinct. Scutica consisting of c. 2 paired kinetosomes. Extrusomes in rows along somatic kineties, indistinct. Macronuclear nodules 1 (or 2); micronucleus 1. Contractile vacuole terminal. Movement: moderately fast to fast, rotating about main body axis.

Distribution

Atlantic sector of the Southern Ocean (Thompson & Croom, 1978); Weddell Sea (Petz et al., 1995); Atlantic (Borror, 1963).

Comments

N/A

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