Paraptychostomum Ngassam , de Puytorac
Description
and Grain in de Puytorac , 1994 With characters of the family (Fig . 74) . (.-- ....., \ ~ ··.......,_, ......i' fragments; showing oral ciliature , nuclei, and sucker but without somatic kineties. From Ngassam , de Puytorac , CILIOPHORA, SCUTICOCILI Figs . 73-78 . Scuticociliatida. Fig. 73 . Biggaria sp . rig lateral view. SEM . Fig . 74. Detail of the oral apparatus of Phi/aster hiatti. The large oral polykinetid in the center of the field is oral polykinetid 2 along whose right side several paroral or haplokinety kinetids are aligned (arrows). The paroral dikinetid or haplokinety (HK) extends deeper into the oral cavity just below oral polykinetid 3 (Pk3). Protargol silver stain . Fig . 75. Plagiopyliella pacifica right lateral view. Nomarksi. Pleurocoptes furgasoni deciliated to reveal the complex surface patterning and the extensive oral region . SEM. ht broad curve of the paroral dikinetid is obvious as are the polykinetid groups of the oral apparatus (cf. Fig . 51) . Protargol silver stain but negative image . 608 CILIOPHORA, HYMENOSTOMATI SUBCLASS HYMENOSTOMATIA Delage and Herouard , 1896 Usually holotrichous; somatic kinetome has preoral suture , but no postoral one ; somatic kinetids mostly monokin et ids with dikinetids only at anterior tip of body ; parora l dikinetid has only b segment , wh ich may be unciliated and reduced ; stomatogenesis usually begins near the equator next to a postoral kinety ; extrusomes as mucocysts ; polymorphic life cycles common; most are freshwater with conspicuous contractile vacuole pore and cytoproct; one order. NOTE. Life cycle may be complex. Certain species of hymenostomes and scuticoc il iates may transform (from microstome to macrostome . T ransformation usually occurs as bacterial food supply is exhausted (Fig . 1). Ciliates of th e Suborder Ophryoglenina have an "organelle of Lieberku h n " (watchglass organelle) and comp lex li fe cyc le with ra pid cel l growth of trophont , followed by division of an encysted tomont . The many tomit es that ex cyst as the ron t (s) search for food or encyst. Ophryoglena searches for and is histophagous on certain invertebrates (Fig. 2). /chthyophthiri us attacks tissue of vario us fish (Fig. 3) .
Type species
Figures
No linked figures.
Raw text
and Grain in de Puytorac , 1994 With characters of the family (Fig . 74) . (.-- ....., \ ~ ··.......,_, ......i' fragments; showing oral ciliature , nuclei, and sucker but without somatic kineties. From Ngassam , de Puytorac , CILIOPHORA, SCUTICOCILI Figs . 73-78 . Scuticociliatida. Fig. 73 . Biggaria sp . rig lateral view. SEM . Fig . 74. Detail of the oral apparatus of Phi/aster hiatti. The large oral polykinetid in the center of the field is oral polykinetid 2 along whose right side several paroral or haplokinety kinetids are aligned (arrows). The paroral dikinetid or haplokinety (HK) extends deeper into the oral cavity just below oral polykinetid 3 (Pk3). Protargol silver stain . Fig . 75. Plagiopyliella pacifica right lateral view. Nomarksi. Pleurocoptes furgasoni deciliated to reveal the complex surface patterning and the extensive oral region . SEM. ht broad curve of the paroral dikinetid is obvious as are the polykinetid groups of the oral apparatus (cf. Fig . 51) . Protargol silver stain but negative image . 608 CILIOPHORA, HYMENOSTOMATI SUBCLASS HYMENOSTOMATIA Delage and Herouard , 1896 Usually holotrichous; somatic kinetome has preoral suture , but no postoral one ; somatic kinetids mostly monokin et ids with dikinetids only at anterior tip of body ; parora l dikinetid has only b segment , wh ich may be unciliated and reduced ; stomatogenesis usually begins near the equator next to a postoral kinety ; extrusomes as mucocysts ; polymorphic life cycles common; most are freshwater with conspicuous contractile vacuole pore and cytoproct; one order. NOTE. Life cycle may be complex. Certain species of hymenostomes and scuticoc il iates may transform (from microstome to macrostome . T ransformation usually occurs as bacterial food supply is exhausted (Fig . 1). Ciliates of th e Suborder Ophryoglenina have an "organelle of Lieberku h n " (watchglass organelle) and comp lex li fe cyc le with ra pid cel l growth of trophont , followed by division of an encysted tomont . The many tomit es that ex cyst as the ron t (s) search for food or encyst. Ophryoglena searches for and is histophagous on certain invertebrates (Fig. 2). /chthyophthiri us attacks tissue of vario us fish (Fig. 3) .