Description
With characters of the order; five genera. Family b ~ <9 t;? 1. Body with contractile tail. .... ....... .... .. Tontonia 1 '. Body without tail. .. ... .. .. .. ..... ..... .... ..... .......... ..... 2 CILIOPHORA, OLI 2. Girdle kinety , a sinistral helix making >2 helical turns around body .... ... ....... .... ... Laboea 2' . Girdle kinety making about 1- 1.5 turns around body .. ... ....... .... .. .... ....... .... .... ...... . 3. Conspicuous cytopharyngeal basket ; girdle kinety broken mid-dorsally .... ... .. .... ... .... ........ . ... ... .. .. ..... .... ... ........... ...... . Cyrtostrombidium 3' . Without cytopharyngeal basket ; girdle kinety unbroken mid -dorsally ... .. .... ... Strombidium
Type species
Figures
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Raw text
With characters of the order; five genera. Family b ~ <9 t;? 1. Body with contractile tail. .... ....... .... .. Tontonia 1 '. Body without tail. .. ... .. .. .. ..... ..... .... ..... .......... ..... 2 CILIOPHORA, OLI 2. Girdle kinety , a sinistral helix making >2 helical turns around body .... ... ....... .... ... Laboea 2' . Girdle kinety making about 1- 1.5 turns around body .. ... ....... .... .. .... ....... .... .... ...... . 3. Conspicuous cytopharyngeal basket ; girdle kinety broken mid-dorsally .... ... .. .... ... .... ........ . ... ... .. .. ..... .... ... ........... ...... . Cyrtostrombidium 3' . Without cytopharyngeal basket ; girdle kinety unbroken mid -dorsally ... .. .... ... Strombidium