Protozoa Guide review

PARAURONEMATIDAE

family / PHI / PARAURONEMATIDAE

Description

Small and Lynn, 1985 Body pyriform to ovoid; segments of paroral segment c skewed to left of midventral postoral region ; life cycle of several genera includes microstome-macrostome transformation; four genera. b 9 (i> t;? 1. 0Pk1 and 0Pk2 as large, broad fields of kinetosomes ........... ........ .. ......... .. .. .. G/auconema 1'. Oral polykinetids not as above ...... .. .. ........ ........ .. 2 2. Body, ovoid; no macrostome stage .............. .......... . ... .... ........... ... ... .. .. ....... .. .. ... .... .... .. P 2'. Microstomal stage pyriform ; lack of bacteria and presence of prey (e.g., Pseudocohnilembus) causing change to macrostomal stage ....... ..... ..... 3 3. Paroral dikinetid extending anteriorly past 0Pk2; 0Pk2 wider than 0Pk1.. ...... Miamiensis 3'. Paroral dikinetid extending only to middle of 0Pk2; 0Pk2 of same width as 0Pk1.Potomacus

Type species

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Raw text

Small and Lynn, 1985
Body pyriform to ovoid; segments of paroral
segment c skewed to left of midventral postoral
region ; life cycle of several genera includes
microstome-macrostome transformation; four
genera.
b
9 (i> t;?
1. 0Pk1 and 0Pk2 as large, broad fields of
kinetosomes ........... ........ .. ......... .. .. .. G/auconema
1'. Oral polykinetids not as above ...... .. .. ........ ........ .. 2
2. Body, ovoid; no macrostome stage .............. .......... .
... .... ........... ... ... .. .. ....... .. .. ... .... .... .. P
2'. Microstomal stage pyriform ; lack of bacteria
and presence of prey (e.g., Pseudocohnilembus)
causing change to macrostomal stage ....... ..... ..... 3
3. Paroral dikinetid extending anteriorly past
0Pk2; 0Pk2 wider than 0Pk1.. ...... Miamiensis
3'. Paroral dikinetid extending only to middle of
0Pk2; 0Pk2 of same width as 0Pk1.Potomacus