Description
4'. Trans Frontoventral cirri make one obvious arc ; transverse cirri ; caudal cirri , absent (Fig. 17). 5. S Pseu form I I 1 1> B •, ' Pseudokeronopsis rubra . A. Dorsal surface ; B. urface. From Wirnsberger, Larsen & Uhlig , CHOTRICHIDA Faure-Fremiet, 1961 irri as 1 or more files of varied lengths , ot zig -zag) ; six families . b 9<9 files curved or spiralled around body, ending on dorsal surface .. ... Spirofilidae l files straight or oblique .... ... ... ..... ..... .. ... 2 osterior spiny extensions ; an oblique ral cirral file ... ....... .... .... Psilotrichidae s above ...... ...... ..... ............ ..... ... ... ... .... .... ... . 3 al cirri as curved row along ventral ior border of left serial oral polykinetids .. .. ..... .... ..... .......... ... .... .. .... ..... ... .... .. Keronidae al cirri not so arranged .... .... .... ... ..... ... ..... 4 rominent oblique file of transverse cirr i lel to left marginal file .... ... Epiclintidae verse cirri not as above .. .... .. .... ..... ....... ... 5 ingle ventral cirral file , except douroleptus; anterior segment of this f i I e ed by cirri from rightmost ventral anlage CILIOPHORA, STI and posterior segment from the second ventral anlage from right.. ... ....... .... ... . Amphisiellidae 5'. At least two , typically more than two , ventral cirral files ; ventral cirral files may be preserved through a variable number of cel divisions ........ ..... .. .. ... ....... .... ..... ... ..... Kahliellidae
Type species
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4'. Trans Frontoventral cirri make one obvious arc ; transverse cirri ; caudal cirri , absent (Fig. 17). 5. S Pseu form I I 1 1> B •, ' Pseudokeronopsis rubra . A. Dorsal surface ; B. urface. From Wirnsberger, Larsen & Uhlig , CHOTRICHIDA Faure-Fremiet, 1961 irri as 1 or more files of varied lengths , ot zig -zag) ; six families . b 9<9 files curved or spiralled around body, ending on dorsal surface .. ... Spirofilidae l files straight or oblique .... ... ... ..... ..... .. ... 2 osterior spiny extensions ; an oblique ral cirral file ... ....... .... .... Psilotrichidae s above ...... ...... ..... ............ ..... ... ... ... .... .... ... . 3 al cirri as curved row along ventral ior border of left serial oral polykinetids .. .. ..... .... ..... .......... ... .... .. .... ..... ... .... .. Keronidae al cirri not so arranged .... .... .... ... ..... ... ..... 4 rominent oblique file of transverse cirr i lel to left marginal file .... ... Epiclintidae verse cirri not as above .. .... .. .... ..... ....... ... 5 ingle ventral cirral file , except douroleptus; anterior segment of this f i I e ed by cirri from rightmost ventral anlage CILIOPHORA, STI and posterior segment from the second ventral anlage from right.. ... ....... .... ... . Amphisiellidae 5'. At least two , typically more than two , ventral cirral files ; ventral cirral files may be preserved through a variable number of cel divisions ........ ..... .. .. ... ....... .... ..... ... ..... Kahliellidae