Description
Cytostome eccentric at base of a short to relatively elongate proboscis; oral dikinetids along proboscis with toxicysts on ventral side of proboscis ; six genera. b y <9 e? 1. With three probosces .................. Teuthophrys 1'. With one proboscis ............. ..... .. .... .. ...... .. ......... 2. Oblique segments of somatic kineties extend along ventral side of proboscis and pass to the right side and posterior of the cytostome- cytopharynx .... ...... ... ... ...... .. .. ... .. . Paradileptus 2' . Not as above ... ...... ... .... ... .... ....... ..... .. .. ... .. 3. Body oval to round , with rounded posterior ; proboscis very short and only slightly mobile ............................................. ........... Trachelius 3' . Body elongate, usually pointed at posterior ; proboscis elongate and mobile ........ .... Dileptus
Type species
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Cytostome eccentric at base of a short to relatively elongate proboscis; oral dikinetids along proboscis with toxicysts on ventral side of proboscis ; six genera. b y <9 e? 1. With three probosces .................. Teuthophrys 1'. With one proboscis ............. ..... .. .... .. ...... .. ......... 2. Oblique segments of somatic kineties extend along ventral side of proboscis and pass to the right side and posterior of the cytostome- cytopharynx .... ...... ... ... ...... .. .. ... .. . Paradileptus 2' . Not as above ... ...... ... .... ... .... ....... ..... .. .. ... .. 3. Body oval to round , with rounded posterior ; proboscis very short and only slightly mobile ............................................. ........... Trachelius 3' . Body elongate, usually pointed at posterior ; proboscis elongate and mobile ........ .... Dileptus