Protozoa Guide review

Vasicola Tatem, 1869 dik

genus / PROSTOMATIDA / METACYSTIDAE

Description

Oral dikinetid kinetosomes surrounding 4. Soma internal nematodesmal ring ; double ring of oral cor nematodesmata; lorica annulated; with long caudal 4'. Pos cilia (Fig. 4). . . 5. Soma at po 5' . No . A. Vasico/a ciliata. B. Oral detail. (from o et al. , 1974) DER PRORODONTIDA Corliss, 1974 ostome apical to subapical; "brosse" of units often as three or more files of ids, varying (from parallel to icular to body axis , and developing on l ventral surface ; extra-oral toxicysts , near kinetids of "brosse"; eight families . b 9 <9 69 dikinetids as semicircle ..... ....... ...... ... .... .. 2 l dikinetids as oval or circle ...... ... ..... ... ... .. 3 Extensible "palps" or lappets in which icysts reside on dorsal side of oral area ............... ... ............ ......... ... Plagiocampidae l dikinetid along right side of oral area; two ngate "brosse" units along left side of oral a .. .. .... .. .. ... ... ..... .... .......... Malacophryidae Inconspicuous "brosse" kinetids inside cumoral dikinetids; very elongate oral lps " bearing extrusomes surrounding erior end ............ .. ..... .. ...... .. Balanionidae "Brosse" kinetids outside circumoral inetid .. .. .. .. .. .. ....... ... .... .... ... .. ... ...... ........ .... . 4 tic cilia evenly distributed over somatic tex ..... .. .. ... .. .. ... .... ... ..... .... .. .. .... ... ... ... ..... .... .. 5 terior 1/4-1 / 5 of somatic cortex barren ..... .... ................ ..... ... ....... ..... .. Urotrichidae tic kineties slightly spiralled ; "brosse ," least as single file of dikinetids extending steriorly (from cytostome ........... Placidae t as above .............. .. ....... ..... ..... ...... .... .... .. .. .. 6 570 CILIOPHORA, PROSTOMATEA 6. Brosse as three or more short inconspicuous rows of dikinetids ........ ........ ............ ............... .7 6'. Brosse conspicuous ........ ......... ........ ........... ...... 8 7. Calcium carbonate plates in cortical alveoli .. . .. ... .... ... ..... .............. .................. ... ... . Colepidae 7'. Without calcium carbonate plates in cortical alveoli ; pyriform when alive ........ Lagynidae ora elo 8. "Brosse " as extension of unclosed circumoral sur dikinetids.................... ... ........ Prorodonti dae pos 8' . "Brosse " as units separate (from circumoral cil dikinetids ... ... ... .. .. .... .. ....... .... ... Holoph ryidae

Type species

Figures

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Raw text

Oral dikinetid kinetosomes surrounding 4. Soma
internal nematodesmal ring ; double ring of oral cor
nematodesmata; lorica annulated; with long caudal 4'. Pos
cilia (Fig. 4). . .
5. Soma
at
po
5' . No
. A. Vasico/a ciliata. B. Oral detail. (from
o et al. , 1974)
DER PRORODONTIDA Corliss, 1974
ostome apical to subapical; "brosse" of
units often as three or more files of
ids, varying (from parallel to
icular to body axis , and developing on
l ventral surface ; extra-oral toxicysts ,
near kinetids of "brosse"; eight families .
b
9 <9 69
dikinetids as semicircle ..... ....... ...... ... .... .. 2
l dikinetids as oval or circle ...... ... ..... ... ... .. 3
Extensible "palps" or lappets in which
icysts reside on dorsal side of oral area
............... ... ............ ......... ... Plagiocampidae
l dikinetid along right side of oral area; two
ngate "brosse" units along left side of oral
a .. .. .... .. .. ... ... ..... .... .......... Malacophryidae
Inconspicuous "brosse" kinetids inside
cumoral dikinetids; very elongate oral
lps " bearing extrusomes surrounding
erior end ............ .. ..... .. ...... .. Balanionidae
"Brosse" kinetids outside circumoral
inetid .. .. .. .. .. .. ....... ... .... .... ... .. ... ...... ........ .... . 4
tic cilia evenly distributed over somatic
tex ..... .. .. ... .. .. ... .... ... ..... .... .. .. .... ... ... ... ..... .... .. 5
terior 1/4-1 / 5 of somatic cortex barren
..... .... ................ ..... ... ....... ..... .. Urotrichidae
tic kineties slightly spiralled ; "brosse ,"
least as single file of dikinetids extending
steriorly (from cytostome ........... Placidae
t as above .............. .. ....... ..... ..... ...... .... .... .. .. .. 6
570 CILIOPHORA, PROSTOMATEA
6. Brosse as three or more short inconspicuous
rows of dikinetids ........ ........ ............ ............... .7
6'. Brosse conspicuous ........ ......... ........ ........... ...... 8
7. Calcium carbonate plates in cortical alveoli .. .
.. ... .... ... ..... .............. .................. ... ... . Colepidae
7'. Without calcium carbonate plates in cortical
alveoli ; pyriform when alive ........ Lagynidae ora
elo
8. "Brosse " as extension of unclosed circumoral sur
dikinetids.................... ... ........ Prorodonti dae pos
8' . "Brosse " as units separate (from circumoral cil
dikinetids ... ... ... .. .. .... .. ....... .... ... Holoph ryidae