suctorian


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Related to suctorian: Sporozoa, vorticella, Ciliatea, Tintinnid

suctorian

(sŭk-tôr′ē-ən)
n.
Any of various aquatic protozoans of the subclass Suctoria that have a free-swimming ciliated immature form and a sessile, stalked adult form that lacks cilia and feeds by means of suctorial tentacles.
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References in periodicals archive ?
Revealed quantitative predominance of attached ciliates (Epistylis, Opercularia, and Vorticella), occurrence of hypotrichs and predatory ciliates (Litonotus, Amphileptus), suctorians (Tokophria, Podophria), testate amoebae (Arcella and Centropyxis), the constant presence of rotifers, the presence of significant quantities of Oligochaeta of the Aeolosoma kind is an indicator of the process of nitrification of activated sludge, when the main part of the organic substrate has already mineralized.
Colonial peritrichous ciliates of the genera Epistyiis and Vorticeiia, and suctorians of the genera Acineta and Tokophrya, were commonly detected as epibionts on the gills of post-larvae, juveniles and adults, with grades of infestation ranging from 3 to 4.
Infestations associated with ciliates of the epistylid genera Epistylis and Opercularia, the vorticellid genera Vorticella and Zoothamnium, and suctorians of the acinetid genera Acineta, Acinetides and Tokophrya, have been reported from adult Macrobrachium rosenbergii cultured in ponds in Limon Province, on the Caribbean coast of Costa Rica [14, 15, 23].