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4 results for “Oligotrichea”
Fig. 2 in What Morphology and Molecules Tell Us about the Evolution of Oligotrichea (Alveolata, Ciliophora)
Fig. 2. Maximum Likelihood tree of the Oligotrichida inferred from small subunit ribosomal RNA (SSU rRNA) gene sequences (66 taxa and 1823 nucleotide positions) aligned with the Muscle algorithm (Edgar 2004) implemented in MEGA ver. 5.1 (Tamura et al. 2011). The alignment is available upon request. The tree was computed with RAxML (Stamatakis et al. 2008) and the datasets were bootstrap re-sampled 100 times. Support values are listed at the nodes. The second values at the nodes represent the posterior probability values of a Bayesian Inference analysis performed with MrBayes (Ronquist and Huelsenbeck 2003). Values below 50% and 0.5, respectively, are represented by a dash. * – initially published as Spirostrombidium sp.; ** – initially published as Parallelostrombidium sp.
Fig. 4 in What Morphology and Molecules Tell Us about the Evolution of Oligotrichea (Alveolata, Ciliophora)
Fig. 4. Evolution of kinetid structures in the somatic ciliature of choreotrichid ciliates. The aloricate taxa have only one kinetid type, except for Leegaardiella elbraechteri and Lynnella. Tintinnids with ventral organelles have two (Tintinnidium, subgenus Tintinnidium), rarely one (Tintinnopsis cylindrata, Membranicola) or three (Tintinnidium, subgenus Semitintinnidium) kinetid types. Extant tintinnids with a ventral kinety have some dikinetids with two cilia and many monokinetids or some dikinetids with two cilia, some dikinetids with one cilium, and many monokinetids.
Fig. 1 in What Morphology and Molecules Tell Us about the Evolution of Oligotrichea (Alveolata, Ciliophora)
Fig. 1. Hypothetical evolution of oligotrichid somatic ciliary patterns (0–IV, VI, VII, after Agatha 2011b; V, VIII–XIV, originals; protargol impregnation). Small arrows mark orientation of kineties (posterior to anterior). Arrowheads denote dorsal breaks in girdle kinety. Dotted arrows mark the tontoniid evolution. Dotted circles denote position of oral primordium in early dividers. Type 0 – dorsal kineties of hypotrich-like ancestor; Type I – strombidiid Parallelostrombidium; Type II – strombidiid Novistrombidium and tontoniid Tontonia; Type III – strombidiid Spirostrombidium; Type IV – strombidiid Omegastrombidium; Type V – strombidiid Strombidium, pelagostrombidiid Limnostrombidium, and tontoniid Pseudotontonia; Type VI – tontoniid Paratontonia; Type VII – tontoniids Laboea and Spirotontonia; Type VIII – strombidiid Foissneridium; Type IX – strombidiid Opisthostrombidium; Type X – cyrtostrombidiid Cyrtostrombidium; Type XI – strombi- diid Williophrya; Type XII – strombidiid Apostrombidium; Type XIII – hypothetic stage; Type XIV – strombidiid Varistrombidium. EX – extrusome attachment sites, GK – girdle kinety, OP – oral primordium, VK – ventral kinety.
Fig. 3 in What Morphology and Molecules Tell Us about the Evolution of Oligotrichea (Alveolata, Ciliophora)
Fig. 3. Maximum Likelihood tree of the Choreotrichida inferred from small subunit ribosomal RNA (SSU rRNA) gene sequences (138 taxa and 1859 nucleotide positions) aligned with the Muscle algorithm (Edgar 2004) implemented in MEGA ver. 5.1 (Tamura et al. 2011). The alignment is available upon request. The tree was computed with RAxML (Stamatakis et al. 2008) and the datasets were bootstrap re-sampled 100 times. Support values are listed at the nodes. The second values at the nodes represent the posterior probability values of a Bayesian Inference analysis performed with MrBayes (Ronquist and Huelsenbeck 2003). Values below 50% and 0.5, respectively, are represented by dashes. Branches with unambiguously clustered taxa are collapsed, species of the genus Tintinnopsis grouped in 5 different clades numbered I–V. Most common lorica structures: – hyaline; – entirely agglomerated; – composed of hyaline collar and agglomerated bowl; * – after Kofoid and Campbell (1929) a synonym of Codonella cratera; ** – does not correspond with the redescription of Agatha and Riedel-Lorjé (2006); *** – possibly incorrectly identified, might be Dadayiella acutiformis; **** – invalid taxon, very likely a replacement lorica (see text).
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