Description
Delage and Herouard, 1896 With characters of the subc lass; two suborders. bLM 1. With organelle of Li ebe rkuhn (watchg las organelle) .......................... .... .. Ophryoglenina 1'. No such organ ...... ..... .. ............. Tetrahymenina macrostome '@ • tomont ======= , · tomites • Corliss , 1973) A trophont ~tom ites to mont to mites Rocchi-Canella , 1976) theront to mont s trophont Fi g. 3. Life cyc le of lchthyophthirius multifiliis. Small and Lynn, 1985) (from CILIOPHORA, HYMENOSTOMATIA SUBORDER TETRAHYMENINA Faure-Fremiet in Corliss , 1956 The first anterior somati c kinetid in each kin ety is a dikinetid ; ora l area with right oral b segment (undulating membrane , haplokinety , or pa roral membran e) and three left oral polykinetids (membranel les) in oral (buccal) cavity ; complex life cycle in histophagous and parasitic species ; six families . b 9 t;? 1. No oral stru ctures ; silver-line system I ike Tetrahy mena; body pyriform or ovoid ; obligate parasites of molluscs , turbellarians .................. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Curim 1'. With oral structures .. ......... ........ ... ....... ..... .. .. . 2 2. Isolated dikinetid s at anterio r end of paroral ; oral polykin etid 1 with its first kinetosomal row as long as oral polykinetid 2, but its kinetosomal rows 2 and 3 sho rter ; posterior ring of caudal cilia .... .. ... ... ..... ..... Spirozonidae 2' . Oral structures not as above ; caudal cilia , when present , not as a posterior ring ....... .. .. .... ... .. . 3 3. Paroral dikinetid ciliated entire length , not covered by pellicular structures ; three oral polykinetids , each of - equal number of rows of kinetosomes ......... .. ... .. ... .... .. .. Tetrahymenidae 3' . Paroral dikinetid , if present , not ciliated along entire length , and may be covered by pellicular structures ; oral polykinetids typically of unequal length or width .................... ............. .. . 4 4. Right vent ral somatic kineties curving I eft , tw isting anteriorly , sometimes abruptly , to parallel the anterior suture ; one to several body kin eties interrupted by left re ar edge of oral cavity ...... ..... .. .................... Turaniellidae 4'. Right ventral somatic kineties curving left , rarely twisting abruptly anteriorly parallel to anterior suture (except G/aucomella) ....... ... ... ... . ... .... ... ........ ........... .. ...... ... ....... .... Glaucomidae
Type species
Figures
No linked figures.
Raw text
Delage and Herouard, 1896 With characters of the subc lass; two suborders. bLM 1. With organelle of Li ebe rkuhn (watchg las organelle) .......................... .... .. Ophryoglenina 1'. No such organ ...... ..... .. ............. Tetrahymenina macrostome '@ • tomont ======= , · tomites • Corliss , 1973) A trophont ~tom ites to mont to mites Rocchi-Canella , 1976) theront to mont s trophont Fi g. 3. Life cyc le of lchthyophthirius multifiliis. Small and Lynn, 1985) (from CILIOPHORA, HYMENOSTOMATIA SUBORDER TETRAHYMENINA Faure-Fremiet in Corliss , 1956 The first anterior somati c kinetid in each kin ety is a dikinetid ; ora l area with right oral b segment (undulating membrane , haplokinety , or pa roral membran e) and three left oral polykinetids (membranel les) in oral (buccal) cavity ; complex life cycle in histophagous and parasitic species ; six families . b 9 t;? 1. No oral stru ctures ; silver-line system I ike Tetrahy mena; body pyriform or ovoid ; obligate parasites of molluscs , turbellarians .................. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Curim 1'. With oral structures .. ......... ........ ... ....... ..... .. .. . 2 2. Isolated dikinetid s at anterio r end of paroral ; oral polykin etid 1 with its first kinetosomal row as long as oral polykinetid 2, but its kinetosomal rows 2 and 3 sho rter ; posterior ring of caudal cilia .... .. ... ... ..... ..... Spirozonidae 2' . Oral structures not as above ; caudal cilia , when present , not as a posterior ring ....... .. .. .... ... .. . 3 3. Paroral dikinetid ciliated entire length , not covered by pellicular structures ; three oral polykinetids , each of - equal number of rows of kinetosomes ......... .. ... .. ... .... .. .. Tetrahymenidae 3' . Paroral dikinetid , if present , not ciliated along entire length , and may be covered by pellicular structures ; oral polykinetids typically of unequal length or width .................... ............. .. . 4 4. Right vent ral somatic kineties curving I eft , tw isting anteriorly , sometimes abruptly , to parallel the anterior suture ; one to several body kin eties interrupted by left re ar edge of oral cavity ...... ..... .. .................... Turaniellidae 4'. Right ventral somatic kineties curving left , rarely twisting abruptly anteriorly parallel to anterior suture (except G/aucomella) ....... ... ... ... . ... .... ... ........ ........... .. ...... ... ....... .... Glaucomidae