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Authority

Fenchel & Lee (1972: 234, fig. 3)

Class

Spirotrichea

 

Order

Euplotida

Family

Euplotidae

Additional References

Petz et al. (1995: 186)

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Basionym

N/A

Synonyms

N/A

Description

In vivo 90–145 × 30–80 µm. Body elongate-ellipsoidal; anterior ventral surface distinctly protruding, with 3 or 4 inconspicuous ventral and 6–10 low dorsal ridges, dorsoventrally flattened. Cirri: 10 frontoventral, 5 transverse, 2 left-marginal, 3–6 caudal. Dorsal kineties 8–14 (11–21 dikinetids in mid-dorsal rows). Adoral membranelles 30–70. Macronucleus question-mark-shaped; micronucleus 1. Contractile vacuole 1. Dorsal silverline system of double-eurystomus type. Movement: crawling very slowly on substratum, remaining stationary for long periods.

Distribution

Ross Sea, in the region 71.03°–74.03°S and 135.00°–150.40°W, in sea-ice (Petz, unpublished data); Weddell Sea (Fenchel & Lee, 1972; Corliss & Snyder, 1986; Petz et al., 1995).

Comments

N/A

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