Description
acters of the family (Fig. 30) . . Epiclintes ambiguus, ventral surface . From Borror, 1990. ILY AMPHISIELLIDAE Jankowski , 1979 ntral cirral file, except Pseudouro/eptus; segment of this file formed by cirri from ventral anlage and posterior segment second ventral anlage from right ; 1 6 presentative Genera in the Family b 9<9 ail-like process longer than half body h ... ... .............. ..... ............ ... Psammomitra ch process .. ...... ......... .. ......... ................... .. 2 te , worm-like body with slightly enlarged ior end ; transverse and caudal cirri absent ..................................................... Circinella not elongate , worm-like .... ..... ..... ...... ....... 3 wo ventral cirral files extending past body tor; caudal cirri dorsai.Pseudouroleptus only one ventral cirral file extending to or body equator ........ .. .. ........ .. .......... ... .... ....... 4 ventral cirral file extends well into erior half of cell. ........... .... .. ...... .... .. .. ......... 5 CILIOPHORA, STICH 4' . M idventral cirral file does not extend greatly past cell equator .... ....... ..... ............. ... .. .... .. ........ 7 5. Midventral cirral file composed of loosely packed c 1rn , bearing some resemblance oxytrichid. .. .. .. . . .. . . . . . . .. . .. . . . . . . .. . . . . . . . Gastr 5'. M id vent ral cirral file composed of densely packed cirri ....... .... ............... ... ..... ... ....... .... ... ... 6 6. Transverse cirral file derives from sixth (=rightmost) cirral anlag e ... ... Hemiamphisiella 6' . Transverse cirral file derives from fifth (=rightmost) cirral anlage ...... .. . Paramphisiella 7. Some cirri to anterior right of midventral c i r r a I file ... ...... .... ..... .... .. .. .............. .. ... ..... ... ....... ... 7' . No such cirri ...... .... ..... ...... ....... ..... .... ........ ... ..... 9 8. W ith transverse cirri as elongate file ....... ... ....... . ..... ..... ... ... .. .... ... .. .. ..... .... ...... .. .. .. ... Amphisiellides 8' . Transverse cirri absent ....... . Paragastrostyla 9. Several c ir ral files to anterior left of midventral cirral file ; midventral cirral file closely adjace nt to right marginal cirral file ..... .. . . . . .. . . . . . .. . . . . ...... ........ .. .. ...... Orthoamphisiel/ 9'. Cirri to left of midventral cirral file not in obvious files ... ... ........ ...... ..... .... .... ..... .... ... ... . 10 10. Transverse cirri present ... .. .... .. ..... .. .... ..... ... 11 10' . Transverse cirri absent ... ..... Periholosticha 11. Caudal ci rri present ; midventral cirral file extends slightly past body equator .... ......... .. . . .. .. . .. . . .. . .. . .. . . .. . .. . . .. . . . .. . . . . .. . . .. . . 11' . Caudal cirri absent; midventra l cirral file extends to cell equator ...... .. ........ .. Amphisiel/a
Type species
Figures
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Raw text
acters of the family (Fig. 30) . . Epiclintes ambiguus, ventral surface . From Borror, 1990. ILY AMPHISIELLIDAE Jankowski , 1979 ntral cirral file, except Pseudouro/eptus; segment of this file formed by cirri from ventral anlage and posterior segment second ventral anlage from right ; 1 6 presentative Genera in the Family b 9<9 ail-like process longer than half body h ... ... .............. ..... ............ ... Psammomitra ch process .. ...... ......... .. ......... ................... .. 2 te , worm-like body with slightly enlarged ior end ; transverse and caudal cirri absent ..................................................... Circinella not elongate , worm-like .... ..... ..... ...... ....... 3 wo ventral cirral files extending past body tor; caudal cirri dorsai.Pseudouroleptus only one ventral cirral file extending to or body equator ........ .. .. ........ .. .......... ... .... ....... 4 ventral cirral file extends well into erior half of cell. ........... .... .. ...... .... .. .. ......... 5 CILIOPHORA, STICH 4' . M idventral cirral file does not extend greatly past cell equator .... ....... ..... ............. ... .. .... .. ........ 7 5. Midventral cirral file composed of loosely packed c 1rn , bearing some resemblance oxytrichid. .. .. .. . . .. . . . . . . .. . .. . . . . . . .. . . . . . . . Gastr 5'. M id vent ral cirral file composed of densely packed cirri ....... .... ............... ... ..... ... ....... .... ... ... 6 6. Transverse cirral file derives from sixth (=rightmost) cirral anlag e ... ... Hemiamphisiella 6' . Transverse cirral file derives from fifth (=rightmost) cirral anlage ...... .. . Paramphisiella 7. Some cirri to anterior right of midventral c i r r a I file ... ...... .... ..... .... .. .. .............. .. ... ..... ... ....... ... 7' . No such cirri ...... .... ..... ...... ....... ..... .... ........ ... ..... 9 8. W ith transverse cirri as elongate file ....... ... ....... . ..... ..... ... ... .. .... ... .. .. ..... .... ...... .. .. .. ... Amphisiellides 8' . Transverse cirri absent ....... . Paragastrostyla 9. Several c ir ral files to anterior left of midventral cirral file ; midventral cirral file closely adjace nt to right marginal cirral file ..... .. . . . . .. . . . . . .. . . . . ...... ........ .. .. ...... Orthoamphisiel/ 9'. Cirri to left of midventral cirral file not in obvious files ... ... ........ ...... ..... .... .... ..... .... ... ... . 10 10. Transverse cirri present ... .. .... .. ..... .. .... ..... ... 11 10' . Transverse cirri absent ... ..... Periholosticha 11. Caudal ci rri present ; midventral cirral file extends slightly past body equator .... ......... .. . . .. .. . .. . . .. . .. . .. . . .. . .. . . .. . . . .. . . . . .. . . .. . . 11' . Caudal cirri absent; midventra l cirral file extends to cell equator ...... .. ........ .. Amphisiel/a