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1 Huang J, "Three-gene based phylogeny of the Urostyloidea (Protista, Ciliophora, Hypotricha), with notes on classification of some core taxa" 70 : 337-347, 2014
2 Warren A, "The morphology of the poorly-known freshwater urostylid ciliate Neokeronopsis spectabilis (Kahl, 1932) nov. gen., nov. comb., (Ciliophora: Urostylidae), with notes on its morphogenesis" 38 : 195-206, 2002
3 Ammermann D, "The development of the macronucleus in the ciliated protozoan Stylonychia mytilus" 45 : 401-429, 1974
4 Lynn DH, "The ciliated protozoa: characterization, classification, and guide to the literature, 3rd ed." Pergamon Press 1-605, 2008
5 Foissner W, "Some new ciliates (Protozoa, Ciliophora) from an Austrian floodplain soil, including a giant, red "flagship", Cyrtohymena (Cyrtohymenides) aspoecki nov. subgen., nov. spec" 13 : 369-382, 2004
6 Castresana J, "Selection of conserved blocks from multiple alignments for their use in phylogenetic analysis" 17 : 540-552, 2000
7 Foissner W, "Reconciling classical and molecular phylogenies in the stichotrichines (Ciliophora, Spirotrichea), including new sequences from some rare species" 40 : 265-281, 2004
8 Shazib SUA, "Phylogenetic relationships of the ciliate class Heterotrichea (Protista, Ciliophora, Postciliodesmatophora) inferred from multiple molecular markers and multifaceted analysis strategy" 78 : 118-135, 2014
9 Tsai SF, "Phylogenetic position of the genus Cyrtostrombidium, with a description of Cyrtostrombidium paralongisomum nov. spec. and a redescription of Cyrtostrombidium longisomum Lynn & Gilron, 1993 (Protozoa, Ciliophora) based on live observation, protargol impregnation, and 18S rDNA sequences" 62 : 239-248, 2015
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