Protozoa Guide review

SYNHYMENIIDA

order / SYNHYMENIIDA

Description

de Puytorac et al., 197 4 Synhymenium of dikinetids or small polykinetids (i .e. , usually of - four kinetosomes), extending (from right postoral body surface to left dorsal body surface ; cyrtos conspicuous; tour families . Ventral surface . (from Derou x, 1978) B. Dorsal surface . (from Foissner, 1979b) b 9 <9 t;? 1. With polar anterior suture , separated (from oral region and synhymenium .. Nassulopsidae 1'. Segment of synhymenium extending anteriorly and left of oral region into a preoral suture ... .. 2 2. With another preoral suture to right of the suture into which the synhymenium extends .. ... .... .. ... ... .. ................. ..... .... ... Synhymeniidae 2'. With only one preoral suture into which the synhymenium extends .. .... ...... ......... .... ...... ... .. ... .3 CILIOPHORA, NASSOPH 3. Synhymenium thickly ciliated , extending (from right postoral body surface to left preoral body surface ...... ...... ..... ................ . Orthodonellida 3' . Synhymenium sparsely ciliated , extending (from postoral region onto left preoral body surface .. .... .... ... ... ... ........ ... Scaphidiodontid

Type species

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de Puytorac et al., 197 4
Synhymenium of dikinetids or small
polykinetids (i .e. , usually of - four kinetosomes),
extending (from right postoral body surface to left
dorsal body surface ; cyrtos conspicuous; tour
families .
Ventral surface . (from Derou x, 1978)
B. Dorsal surface . (from Foissner, 1979b)
b
9 <9 t;?
1. With polar anterior suture , separated (from
oral region and synhymenium .. Nassulopsidae
1'. Segment of synhymenium extending anteriorly
and left of oral region into a preoral suture ... .. 2
2. With another preoral suture to right of the
suture into which the synhymenium extends
.. ... .... .. ... ... .. ................. ..... .... ... Synhymeniidae
2'. With only one preoral suture into which the
synhymenium extends .. .... ...... ......... .... ...... ... .. ... .3
CILIOPHORA, NASSOPH
3. Synhymenium thickly ciliated , extending (from
right postoral body surface to left preoral body
surface ...... ...... ..... ................ . Orthodonellida
3' . Synhymenium sparsely ciliated , extending
(from postoral region onto left preoral body
surface .. .... .... ... ... ... ........ ... Scaphidiodontid