Description
Tomite has 9 kineties ; oral kineties x , y, z as long as ogival field; anterior ventral field lacks kinetosomes (Fig. 12). IA tom ite . B. Trophont. (from Chatton and Lwoff, 1935) to mite . B. Trophont. (from Bradbury , 1966) of tomite. B. Trophont. (from Chatton and Lwoff , 1935) CILIOPHORA, PERITRICHIA SUBCLASS PERITRICHIA Stein, 1859 Body of three major areas: (1) ora/, with prominent peristome bordered by a dikinetid f i I e (haplokinety) and an oral polykinetid that originate in an oral cavity (infundibulum) at base of which is the cytostome ; (2) aboral, including kinetosomes as part of the scapula, which secretes the stalk of sessile species; and ( 3 ) telotroch band , permanently ciliated on mobile species , temporarily so during dispersal of sessile species; oral region may contract and withdraw; some species are loricate ; two orders . 1. Mature trophonts mobile ; with complex , discoid, aboral hold-fast (a ring of articulated denticles and associated fibrils); symbiotic in or on other organisms including other ciliates ..... Mobilida 1'. Mature trophont usually sessile, attached by scapula that may produce a stalk; may be attached to other organisms; no denticular ring; many species gregarious or colonial ; bacterivorous or microalgivorous f i Iter- feeders ... ... ..... .. .......... ..... ....... ... .. .. ....... Sessilida
Type species
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Raw text
Tomite has 9 kineties ; oral kineties x , y, z as long as ogival field; anterior ventral field lacks kinetosomes (Fig. 12). IA tom ite . B. Trophont. (from Chatton and Lwoff, 1935) to mite . B. Trophont. (from Bradbury , 1966) of tomite. B. Trophont. (from Chatton and Lwoff , 1935) CILIOPHORA, PERITRICHIA SUBCLASS PERITRICHIA Stein, 1859 Body of three major areas: (1) ora/, with prominent peristome bordered by a dikinetid f i I e (haplokinety) and an oral polykinetid that originate in an oral cavity (infundibulum) at base of which is the cytostome ; (2) aboral, including kinetosomes as part of the scapula, which secretes the stalk of sessile species; and ( 3 ) telotroch band , permanently ciliated on mobile species , temporarily so during dispersal of sessile species; oral region may contract and withdraw; some species are loricate ; two orders . 1. Mature trophonts mobile ; with complex , discoid, aboral hold-fast (a ring of articulated denticles and associated fibrils); symbiotic in or on other organisms including other ciliates ..... Mobilida 1'. Mature trophont usually sessile, attached by scapula that may produce a stalk; may be attached to other organisms; no denticular ring; many species gregarious or colonial ; bacterivorous or microalgivorous f i Iter- feeders ... ... ..... .. .......... ..... ....... ... .. .. ....... Sessilida