Description
Paroral of 2 monokinetid files around oral cavity from right rear to anterior left ; polykinetids of lapel and collar separated , the latter anteriodorsal ; two or more spherical to elongate macronuclei ; four genera. b y t;? 1. Four transverse c1rn ... .... ....... Paradiophrys 1'. Five transverse cirri ... .. ...... ... ..... .......... .. .. ..... 2 2. Several left marginal cirri strongly hypert roph ied ; paroral ciliature hyper- trophied in horseshoe-shape around right perimeter of oral cavity ... ... .. ........ Uronychia 2' . Not as above .. ... .. ....... .......... .... .. ..... ...... .............. 3 3. Body round in cross-section ; cilia of dorsal dikinetids long , 10-15 1-Jm; planktonic .. .. ...... . . ..... ..... ........ ... ..... ... .. ... .. ..... ... ........ ... Diophryopsis 3'. Body with flattened ventral surface; cilia of dorsal dikinetids short , 2-3 1-Jm ; benthic ....... . ... .. .......... ... .. ...... .......................... .. .. .. ..... Diophrys
Type species
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Paroral of 2 monokinetid files around oral cavity from right rear to anterior left ; polykinetids of lapel and collar separated , the latter anteriodorsal ; two or more spherical to elongate macronuclei ; four genera. b y t;? 1. Four transverse c1rn ... .... ....... Paradiophrys 1'. Five transverse cirri ... .. ...... ... ..... .......... .. .. ..... 2 2. Several left marginal cirri strongly hypert roph ied ; paroral ciliature hyper- trophied in horseshoe-shape around right perimeter of oral cavity ... ... .. ........ Uronychia 2' . Not as above .. ... .. ....... .......... .... .. ..... ...... .............. 3 3. Body round in cross-section ; cilia of dorsal dikinetids long , 10-15 1-Jm; planktonic .. .. ...... . . ..... ..... ........ ... ..... ... .. ... .. ..... ... ........ ... Diophryopsis 3'. Body with flattened ventral surface; cilia of dorsal dikinetids short , 2-3 1-Jm ; benthic ....... . ... .. .......... ... .. ...... .......................... .. .. .. ..... Diophrys