REFERENCES
- Arakaki Y., Kawai-Toyooka H., Hamamura Y., Higashiyama T., Noga A., Hirono M., Olson B.J.S.C. & Nozaki H. 2013. The simplest integrated multicellular organism unveiled. PLoS ONE 8: e81641.
- Conrad W. 1926. Recherches sur les flagellates de nos eaux saumâtres. II. Chrysomonadines. Archiv für Protistenkunde 56: 167–231.
- Ettl H. 1983. Chlorophyta I. Phytomonadina. In: Süßwasserflora von Mitteleuropa (Ed. by H. Ettl, J. Gerloff, H. Heynig & D. Mollenhauer), vol. 9, pp. i–xiv, 1–807. G. Fischer, Stuttgart.
- Felsenstein J. 1985. Confidence limits on phylogenies: an approach using the bootstrap. Evolution 39: 783–791.
- Hayama M., Nakada T., Hamaji T. & Nozaki H. 2010. Morphology, molecular phylogeny and taxonomy of Gonium maiaprilis sp. nov. (Goniaceae, Chlorophyta) from Japan. Phycologia 49: 221–234.
- Hepperle D., Nozaki H., Hohenberger S., Huss V.A., Morita E. & Krienitz L. 1998. Phylogenetic position of the Phacotaceae within the Chlamydophyceae as revealed by analysis of 18S rDNA and rbcL sequences. Journal of Molecular Evolution 47: 420–430.
- Kasai F., Kawachi M., Erata M., Mori F., Yumoto K., Sato M. & Ishimoto M. [Eds] 2009. NIES-collection. List of strains. 8th edition. Japanese Journal of Phycology (Sôrui) 57 (1), supplement: 1–350, pls 1–7. http://mcc.nies.go.jp/; searched on 30 May 2015.
- Kato S. 1982. Laboratory culture and morphology of Colacium vesiculosum Ehrb. (Euglenophyceae). Japanese Journal of Phycology (Sôrui) 30: 63–67. (In Japanese with English abstract.)
- Korshikov A.A. 1928. On two new Spondylomoraceae: Pascheriella tetras n. gen. et sp., and Chlamydobotrys squarrosa n. sp. Archiv für Protistenkunde 61: 225–238.
- Matsuzaki R., Hara Y. & Nozaki H. 2014. A taxonomic study of snow Chloromonas species (Volvocales, Chlorophyceae) based on light and electron microscopy and molecular analysis of cultured material. Phycologia 35: 293–304.
- Nakada T. & Nozaki H. 2007. Re-evaluation of three Chlorogonium (Volvocales, Chlorophyceae) species based on 18S ribosomal RNA gene phylogeny. European Journal of Phycology 42: 177–182.
- Nakada T. & Nozaki H. 2009. Study of two new genera of fusiform green flagellates, Tabris gen. nov. and Hamakko gen. nov. (Volvocales, Chlorophyceae). Journal of Phycology 45: 482–492.
- Nakada T., Misawa K. & Nozaki H. 2008. Molecular systematics of Volvocales (Chlorophyceae, Chlorophyta) based on exhaustive 18S rRNA phylogenetic analyses. Molecular Phylogenetics and Evolution 48: 281–291.
- Nakada T., Nozaki H. & Tomita M. 2010. Another origin of coloniality in volvocaleans: the phylogenetic position of Pyrobotrys Arnoldi (Spondylomoraceae, Volvocales). Journal of Eukaryotic Microbiology 57: 379–382.
- Nozaki H. 2003. Flagellated green algae. In: Freshwater algae of North America: ecology and classification (Ed. by J.D. Wehr & R.G. Sheath), pp.225–252. Academic Press, San Diego, California.
- Nozaki H., Misumi O. & Kuroiwa T. 2003. Phylogeny of the quadriflagellate Volvocales (Chlorophyceae) based on chloroplast multigene sequences. Molecular Phylogenetics and Evolution 29: 58–66.
- Nylander J.A.A. 2004. MrModeltest, version 2. Program distributed by the author, Evolutionary Biology Centre, Uppsala University, Sweden.
- Pringsheim E.G. 1946. Pure cultures of algae. Cambridge University Press, Cambridge, UK. 119 pp.
- Ronquist F., Teslenko M., van der Mark P., Ayres D.L., Darling A., Höhna S., Larget B., Liu L., Suchard M.A. & Huelsenbeck J.P. 2012. MrBayes 3.2: efficient Bayesian phylogenetic inference and model choice across a large model space. Systematic Biology 61: 539–542.
- Sammlung von Algenkulturen. 2015. Universität Göttingen, Germany. http://www.uni-goettingen.de/en/184982.html; searched on 30 May 2015.
- Silva P.C. 1959. Remarks on algal nomenclature II. Taxon 8: 62–63.
- Spurr A.R. 1969. A low-viscosity epoxy resin embedding medium for electron microscopy. Journal of Ultrastructural Research 26: 31–43.
- Stamatakis A. 2006. RAxML-VI-HPC: maximum likelihood-based phylogenetic analyses with thousands of taxa and mixed models. Bioinformatics 22: 2688–2690.
- Swofford D.L. 2002. PAUP*: phylogenetic analysis using parsimony (*and other methods), version 4.0b10. Sinauer Associates, Sunderland, Massachusetts.
- TreeBASE. 2015. A Database of Phylogenetic Knowledge, The National Evolutionary Synthesis Center, Durham, North Carolina, USA. http://treebase.org/treebase-web/home.html; study ID: S17564; searched on 30 May 2015.
- Wawrik F. 1986. Pascherina tetras (Korsch.) Silva (Volvocales), ein seltener Schmelzwasserorganismus, in Kleinteichen des Waldviertels (Niederösterreich). Phyton (Austria) 26: 11–14.