Description
... ... Basal part of stalk non-contractile ; contractile myoneme only in upper part of stalk ; aloricate 2'. Peristo (Fig. 24) . MILY ZOOTHAMNIIDAE Sommer, 1951 onial, zooids share continuous ntire colony contractile; some colonial ymorphic; one genus. thamnium Bory de St. Vincent, 1826 haracters of the family (Fig . 25) . A. lntranstylum aselli. (from Corliss , 1979) rme . (from Stiller, 1968) B A A. Zoothamnium arbuscula , colony . (from 79) B. Z. simplex, zooid . C. Colony. (from 1948) ILY OPERCULARIIDAE Faure-Fremiet in Corliss, 1979 mal disc on stalk, having a furrow that nd elevates disc from margin of zooid ; often dilated dorsally; seven genera. EY TO REPRESENTATIVE GENERA bLM when mature .... ...... .. .... .. .... .......... ...... ... 2 y when mature ; some with short stalk .. .4 e curving towards cell body .. .. .. ...... .... .. . ... ........... .... ... ....... ..... ....... .. .... .. .. Bezedniella me straight .. .. .. ............ ... ............. .. .. ...... 3 CILIOPHORA, PE 3. Macronucleus long, often C-shaped; some species loricate .... .......... .. .. ...... ... ..Opercularia 3'. Macronucleus round , compact; some species loricate ........ ............ ... ..... ....... Orbopercu/aria 4. Macronucleus long, often C-shaped ..... ......... . ... ...... ....... ... .. ................. ..... .. ........ Propyxid 4'. Macronucleus compact, round or oval. .... ....... ... .. . . . .... ... .. ... .... .. . . .. ... .... .... ...... ... .... ..
Type species
Figures
No linked figures.
Raw text
... ... Basal part of stalk non-contractile ; contractile myoneme only in upper part of stalk ; aloricate 2'. Peristo (Fig. 24) . MILY ZOOTHAMNIIDAE Sommer, 1951 onial, zooids share continuous ntire colony contractile; some colonial ymorphic; one genus. thamnium Bory de St. Vincent, 1826 haracters of the family (Fig . 25) . A. lntranstylum aselli. (from Corliss , 1979) rme . (from Stiller, 1968) B A A. Zoothamnium arbuscula , colony . (from 79) B. Z. simplex, zooid . C. Colony. (from 1948) ILY OPERCULARIIDAE Faure-Fremiet in Corliss, 1979 mal disc on stalk, having a furrow that nd elevates disc from margin of zooid ; often dilated dorsally; seven genera. EY TO REPRESENTATIVE GENERA bLM when mature .... ...... .. .... .. .... .......... ...... ... 2 y when mature ; some with short stalk .. .4 e curving towards cell body .. .. .. ...... .... .. . ... ........... .... ... ....... ..... ....... .. .... .. .. Bezedniella me straight .. .. .. ............ ... ............. .. .. ...... 3 CILIOPHORA, PE 3. Macronucleus long, often C-shaped; some species loricate .... .......... .. .. ...... ... ..Opercularia 3'. Macronucleus round , compact; some species loricate ........ ............ ... ..... ....... Orbopercu/aria 4. Macronucleus long, often C-shaped ..... ......... . ... ...... ....... ... .. ................. ..... .. ........ Propyxid 4'. Macronucleus compact, round or oval. .... ....... ... .. . . . .... ... .. ... .... .. . . .. ... .... .... ...... ... .... ..