portrait
Right side view.
Key to Schewiakoff's abbreviations:
a -- Anus
al -- Pellicular alveoli
cv -- Contractile vacuole
l.Pr -- Left edge of peristome
m -- Undulating membrane
N -- Macronucleus
ncl -- Micronucleus
nv -- Food vacuole
P -- Peristome
r.Pr -- Right edge of peristome
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Pleuronema chrysalis
From the collection
Images from Schewiakoff, 1889
| Description of Pleuronema chrysalis: Ciliate, body elongate-ovoid, compressed, from two to two and a half times as long as broad, convex above, slightly concave beneath, subsequently rounded at the two extremities. Oral opening situated near the centre of the ventral surface, followed by a tubular pharyngeal passage. The length of the cilia about one-half of the diameter of the body, in even longitudinal rows over the whole surface. Contractile vacuole anteriorly located. Nucleus spheroid, subcentral. Length of most cells 70 - 130 microns |
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