叶口纲 (學名:Litostomatea )是纤毛虫门 內大核亞門 之下的一個綱[ 1] 。這個綱由下列三個亞綱組成[ 2] [ 3] :
^ Gao S, Song W, Ma H, et al. Phylogeny of six genera of the subclass Haptoria (Ciliophora, Litostomatea) inferred from sequences of the gene coding for small subunit ribosomal RNA. J. Eukaryot. Microbiol. 2008, 55 (6): 562–6. PMID 19120803 . doi:10.1111/j.1550-7408.2008.00360.x .
^ Vďačný, Peter; et al. Morphological and molecular phylogeny of dileptid and tracheliid ciliates: Resolution at the base of the class Litostomatea (Ciliophora, Rhynchostomatia) . Eur J Protistol. November 2011 , 47 (4): 295–313. PMC 3234341 . PMID 21641780 . doi:10.1016/j.ejop.2011.04.006 .
^ Gao, Feng; Warren, Alan; Zhang, Qianqian; Gong, Jun; Miao, Miao; Sun, Ping; Xu, Dapeng; Huang, Jie; Yi, Zhenzhen. The All-Data-Based Evolutionary Hypothesis of Ciliated Protists with a Revised Classification of the Phylum Ciliophora (Eukaryota, Alveolata) . Scientific Reports. 2016-04-29, 6 : 24874. Bibcode:2016NatSR...624874G . ISSN 2045-2322 . PMC 4850378 . PMID 27126745 . doi:10.1038/srep24874 (英语) .
^ Gordon, Dennis; Warren, Alan; Kihara, Terue Cristina; Vandepitte, Leen. Litostomatea . WoRMS . 2011-10-17 [2020-08-18 ] .
纖毛蟲門
后纤束亚门 Postciliodesmatophora
粘孢子总门
Fusionicae (Fusionidae )
Gregarinicae (Cephaloidophoridae , Cephalolobidae , Didymophoridae , Gregarinidae , Hirmocystidae , Metameridae , Uradiophoridae )
Porosporicae (Porosporidae )
Stenophoricae (Acutidae , Amphiplatysporidae , Brustiophoridae , Cnemidosporidae , Dactylophoridae , Leidyanidae , Monoductidae , Monoicidae , Sphaerocystidae , Stenophoridae , Trichorhynchidae )
Stylocephaloidea (Actinocephalidae , Stylocephalidae )
Blabericolidae
Acavomonidia