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Authority

(Corliss & Snyder) Petz, Song & Wilbert (1995: 101, fig. 30)

Class

Oligohymenophorea

Order

Philasterida

Family

Philasteridae

Additional References

Song & Wilbert (2000a: 219)

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Basionym

Cohnilembus grassei Corliss & Snyder (1986: 41, fig. 3)

Synonyms

N/A

Description

In vivo 120–350 × 40–110 µm. Body slenderly bottle-shaped to fusiform, laterally flattened, well-fed specimens roundish, often dark red (due to digested food?). Somatic kineties 46–80; several caudal cilia slightly elongated. Adoral membranelle 1 long, slender-triangular, composed of transverse ciliary rows; membranelle 2 often inseparable from membranelles 1 and 3; paroral membrane oblique. Scutica irregularly arranged. Extrusomes (mucocysts) c. 4 µm long. Macronucleus ellipsoidal, sometimes fragmented; micronuclei 2. Contractile vacuole terminal. Movement: slow to moderately fast, gliding to and fro on the substratum.

Distribution

Ross Sea (Petz, unpublished data); Weddell Sea (Corliss & Snyder, 1986; Petz et al., 1995; Song & Wilbert, 2000a).

Comments

N/A

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