Description
Body cilia, cirrus-like, of at least two types , arranged in girdles around the body ; nematodesmata and bulge microtubules of rhabdos absent; clavate kineties absent; one family. stomatia 1990) B. Schematic of Mesodinium infraciliature . (from trichida Krainer and Foissner, 1990) . ...... 2 FAMILY MESODINIIDAE Jankowski , 1980 With characters of the order; five genera . . Haptorida 478 CILIOPHORA, LITOST b 9 <9 e? 1. Two components of the girdle , the pre- equatorial belt and equatorial belt, seemingly composed of dikinetids ....... .. .. .. ... ... Myrionecta 1'. Only one component of the girdle , the equatorial belt, may be composed of dikinetids ...... ..... ....... 2 2. Subequatorial belt kinetosomes posterior to equatorial belt kinetosomes .. ........ ............... ...... 3 2'. Subequatorial belt absent .............. Mesodinium 3. Equatorial belt of a single file of monokinetids; circumoral dikinetids , with nematodesmata, internal to anterior pre-equatori ....... .. .. .......... ........ .. .. .. ....... ... Rhabdoask 3'. Equatorial belt of monokinetids in a zig-zag arrangement appearing like dikinetids ..... .... ... .4 4. Circumoral granules (=kinetids?} , without nematodesmata, internal to anterior equatorial belt ............ ...... ........ ........ Askenasia 4'. Oral dikinetids just anterior to equatorial belt of zig-zag kinetosomes ; five ciliary girdles of monokinetids posterior to anterior .... ......... ...... ....... ...... ..... ..... .. ..... Pelago
Type species
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Raw text
Body cilia, cirrus-like, of at least two types , arranged in girdles around the body ; nematodesmata and bulge microtubules of rhabdos absent; clavate kineties absent; one family. stomatia 1990) B. Schematic of Mesodinium infraciliature . (from trichida Krainer and Foissner, 1990) . ...... 2 FAMILY MESODINIIDAE Jankowski , 1980 With characters of the order; five genera . . Haptorida 478 CILIOPHORA, LITOST b 9 <9 e? 1. Two components of the girdle , the pre- equatorial belt and equatorial belt, seemingly composed of dikinetids ....... .. .. .. ... ... Myrionecta 1'. Only one component of the girdle , the equatorial belt, may be composed of dikinetids ...... ..... ....... 2 2. Subequatorial belt kinetosomes posterior to equatorial belt kinetosomes .. ........ ............... ...... 3 2'. Subequatorial belt absent .............. Mesodinium 3. Equatorial belt of a single file of monokinetids; circumoral dikinetids , with nematodesmata, internal to anterior pre-equatori ....... .. .. .......... ........ .. .. .. ....... ... Rhabdoask 3'. Equatorial belt of monokinetids in a zig-zag arrangement appearing like dikinetids ..... .... ... .4 4. Circumoral granules (=kinetids?} , without nematodesmata, internal to anterior equatorial belt ............ ...... ........ ........ Askenasia 4'. Oral dikinetids just anterior to equatorial belt of zig-zag kinetosomes ; five ciliary girdles of monokinetids posterior to anterior .... ......... ...... ....... ...... ..... ..... .. ..... Pelago