PSEUDOKERONOPSIDAE Borror and
Description
Wicklow , 1 983 Frontal c1rn form a conspicuous, arc-like file that paral lels the anterior left serial oral polykinetids , which may be doubled by an arc-like extension of the frontoventral zig-zag file ; left and right marginal cirri as 1 (rarely 2) rows; 5 genera. b Y<9 1. With dense field of thigmotactic Cirri between left marginal file and frontoventral zig-zag f i I e ....... ............ .... ... .... ... ... ... .. . Thigmokeronopsis 1 '. Thigmotactic cirral field absent ......... ...... ..... .... 2 2 . File of cirri in anterior half between right marginal file and frontoventral zig-zag f i I e ......... .. ... ... ... .. .. .... .... .... ... .... ............... 2. Anterior file of cirri absent... .... ... ... ... .. .. ...... .. ... 3 3. Frontoventral cirri make three obvious arcs in anterior portion, parallel to arc of left serial oral polykinetids. .... ... . . . . . . . . . . . . . . . . . . . . . . . . . . . 3'. Frontoventral cirri make one or two obvious arcs .... ... ...... .. ... ....... ..... ... .. .......... ....... ..... 4 . Caudal cirri on dorsal right posterior. .. ..... .. . ...................................................... Bicoronella 4' . Caudal cirri , absent ... ..... ... Pseudokeronopsis
Type species
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Raw text
Wicklow , 1 983 Frontal c1rn form a conspicuous, arc-like file that paral lels the anterior left serial oral polykinetids , which may be doubled by an arc-like extension of the frontoventral zig-zag file ; left and right marginal cirri as 1 (rarely 2) rows; 5 genera. b Y<9 1. With dense field of thigmotactic Cirri between left marginal file and frontoventral zig-zag f i I e ....... ............ .... ... .... ... ... ... .. . Thigmokeronopsis 1 '. Thigmotactic cirral field absent ......... ...... ..... .... 2 2 . File of cirri in anterior half between right marginal file and frontoventral zig-zag f i I e ......... .. ... ... ... .. .. .... .... .... ... .... ............... 2. Anterior file of cirri absent... .... ... ... ... .. .. ...... .. ... 3 3. Frontoventral cirri make three obvious arcs in anterior portion, parallel to arc of left serial oral polykinetids. .... ... . . . . . . . . . . . . . . . . . . . . . . . . . . . 3'. Frontoventral cirri make one or two obvious arcs .... ... ...... .. ... ....... ..... ... .. .......... ....... ..... 4 . Caudal cirri on dorsal right posterior. .. ..... .. . ...................................................... Bicoronella 4' . Caudal cirri , absent ... ..... ... Pseudokeronopsis