Description
Anterior end of body twisted left, body uniformly ciliated ; cauda l cilia often conspicuous ; nine genera. b 9 6; wide oral area beneath anterior lip .. ..... .... ... ..... . Palmarella 3' . "" 6 oral polykinetids ; oral area about 1 I 6 body length .. .... ...... ...... ...... .... ..... .. Tesnospira 4. Serial left oral polykinetids make almost complete spiral around body; cytostome in posterio r half ........... ....... ...... ... Brachonella 4' . Serial left oral polykinetids extend anteriorly and ventrally (from cytostome , barely to left side ....... .... .. ... ..... ..... .. ... .... ...... .... ....... ..... ... .... 5. Distinct frontal lobe overhangs oral area ... .. . 6 5'. No frontal lobe; perizonal kineties along extreme antero-dorsal edge of oral area ............. ...... ... .... ... ... ................... ... Eometopus 6. Right paroral kinetids form several kineties .... .......... .. .... ..... .... ... .... ... ...... .... ....... .. Metopus 6' . Right paro ral kinetids few , or none ..... .... .... .... . . ..... ... ............... ..... ..... .. .. .. ......... Parametopus
Type species
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Anterior end of body twisted left, body uniformly ciliated ; cauda l cilia often conspicuous ; nine genera. b 9 6; wide oral area beneath anterior lip .. ..... .... ... ..... . Palmarella 3' . "" 6 oral polykinetids ; oral area about 1 I 6 body length .. .... ...... ...... ...... .... ..... .. Tesnospira 4. Serial left oral polykinetids make almost complete spiral around body; cytostome in posterio r half ........... ....... ...... ... Brachonella 4' . Serial left oral polykinetids extend anteriorly and ventrally (from cytostome , barely to left side ....... .... .. ... ..... ..... .. ... .... ...... .... ....... ..... ... .... 5. Distinct frontal lobe overhangs oral area ... .. . 6 5'. No frontal lobe; perizonal kineties along extreme antero-dorsal edge of oral area ............. ...... ... .... ... ... ................... ... Eometopus 6. Right paroral kinetids form several kineties .... .......... .. .... ..... .... ... .... ... ...... .... ....... .. Metopus 6' . Right paro ral kinetids few , or none ..... .... .... .... . . ..... ... ............... ..... ..... .. .. .. ......... Parametopus