Adl S. M., Simpson A. G., Farmer M. A., Andersen R. A., Anderson O. R., Barta J. R., Bowser S. S., Brugerolle G. U. Y., Fensome R. A., Fredericq S., James T. Y. (2005) The new higher level classification of eukaryotes with emphasis on the taxonomy of protists. J. Eukaryot. Microbiol. 52: 399–451 Beyens L., Meisterfeld R. (2002) Protozoa: testate amoebae. In Tracking environmental change using lake sediments, (Eds. H. J. B. Birks, W. M. Last, J. P. Smol). Springer, Netherlands, 121–153 Bobrov A., Kosakyan A. (2015) A new species from mountain forest soils in Japan: Porosia paracarinata sp. nov., and taxonomic concept of the genus Porosia Jung, 1942. Acta Protozool. 4: 289–294 Bobrov A., Mazei Y. (2004) Morphological variability of testate amoebae (Rhizopoda: Testacealobosea and Testaceafilosea) in natural populations. Acta Protozool. 43: 133–146 Dabés M. B. G. S., Velho L. F. M. (2001) Assemblage of testate amoebae (Protozoa, Rhizopoda) associated to aquatic macrophytes stands in a marginal lake of the São Francisco river floodplain, Brazil. Acta Scientiarum 23: 299–304 De Wit R., Bouvier T. (2006) ‘Everything is everywhere, but, the environment selects’; what did Baas Becking and Beijerinck really say? Environ. Microbiol. 8: 755–758 Foissner W. (2006) Biogeography and dispersal of micro-organisms: a review emphasizing protists. Acta Protozool. 45: 111–136 Heger T. J., Edgcomb V. P., Kim E., Lukeš J., Leander B. S., Yubuki N. (2014) A resurgence in field research is essential to better understand the diversity, ecology, and evolution of microbial eukaryotes. J. Eukaryot. Microbiol. 61: 214–223. doi:10.1111/jeu.12095 Honorato G. B. S., Pelli A. (2011) Avaliação da qualidade da água em dois trechos do córrego gameleira, Uberaba-MG, com base em variáveis físico-químicas e a comunidade bentônica. SaBios- Rev Saúde e Biol. 6: 15–26. Kosakyan A., Gomaa F., Lara E., Lahr D. J. G. (2016) Current and future perspectives on the systematics, taxonomy and nomenclature of testate amoebae. Eur. J. Protistol. http://dx.doi.org/10.1016/j.ejop.2016.02.001 Kosakyan A., Gomaa F., Mitchell E. A., Heger T. J., Lara E. (2013) Using DNA-barcoding for sorting out protist species complexes: a case study of the Nebela tincta–collaris–bohemica group (Amoebozoa; Arcellinida, Hyalospheniidae). Eur. J. Protistol. 49: 222–237 Lahr D. J. G., Lopes S. G. B. C. (2006) Morphology, biometry, ecology and biogeography of five species of Difflugia Leclerc, 1815 (Arcellinida: Difflugiidae), from Tiete River, Brazil. Acta Protozool. 45: 77–90 Lahr D. J. G., Lopes S. G. B. C. (2009) Evaluating the taxonomic identity in four species of the lobose testate amoebae genus Arcella Ehrenberg, 1832. Acta Protozool. 48: 127–142 Lahr D. J. G., Souza M. B. G. (2011) Occurrence of the lobose testate amoeba Pseudonebela africana (Amoebozoa, Arcellinida) in the Brazilian “cerrado”. Eur. J. Protistol. 47: 231–234 Meisterfeld R. (2002) Order Arcellinida Kent, 1880. In: The Illustrated Guide to the Protozoa, (Eds. J. J. Lee, G. F. Leedale, P. Bradbury). Allen Press, Lawrence, Kansas, USA, 827–860 Mignot J. P., Raikov I. B. (1990) New ultrastructural data on the morphogenesis of the test in the testacean Arcella vulgaris. Eur. J. Protistol. 26: 132–141 Mitchell E. A., Meisterfeld R. (2005) Taxonomic confusion blurs the debate on cosmopolitanism versus local endemism of free-living protists. Protist 156: 263–267 Netzel H. (1971) Die Schalenbildung bei der Thekamöben-Gattung Arcella (Rhizopoda, Testacea). Cytobiologie, 3: 89–92. Netzel H., Grunewald B. (1977) Morphogenesis in shelled rhizopod Arcella dentata. Protistologica, 13: 299–319. Nicholls K. H. (2005) Cyclopyxis acmodonta n. sp. and Arcella formosa n. sp.: two new species of testate rhizopods (Arcellinida, Protozoa) from remnant wetlands in Ontario, Canada. Can. Field Nat. 119: 403–411 Oliverio A. M., Lahr D. J. G., Grant J., Katz L. A. (2015) Are microbes fundamentally different than macroorganisms? Convergence and a possible case for neutral phenotypic evolution in testate amoeba (Amoebozoa: Arcellinida). R. Soc. Open Sci. 2: 150414 O’Malley M. A. (2008) ‘Everything is everywhere: but the environment selects’: ubiquitous distribution and ecological determinism in microbial biogeography. Stud. Hist. Phil. Biol. & Biomed. Sci. 39: 314–325 Pearl R., Dunbar F. J. (1903) Variation and correlation in Arcella. Biometrika 2: 321–337 Porfírio-Sousa A. L., Ribeìro G. M., Lahr D. J. G. (2016) Morphometric and genetic analysis of Arcella intermedia laevis and Arcella intermedia demonstrate that morphological techniques alone cannot differentiate species. Eur. J. Protistol.  http://dx.doi.org/10.1016/j.ejop.2016.11.003  Qin Y., Xie S., Smith H. G., Swindles G. T., Gu Y. (2011) Diversity, distribution and biogeography of testate amoebae in China: Implications for ecological studies in Asia. Eur. J. Protistol. 47: 1–9. Reczuga M., Swindles G. T., Grewling L., Lamentowicz M. (2015) Arcella peruviana sp. nov. (Amoebozoa: Arcellinida, Arcellidae), a new species from a tropical peatland in Amazonia. Eur. J. Protistol. http://dx.doi.org/10.1016/j.ejop.2015.01.002 Schwind L. T. F., Dias J. D., Joko C. Y., Bonecker C. C., Lansac-Toha C. A. (2013) Advances in studies on testate amoeba (Arcellinida and Euglyphida): A scientometric approach. Acta Sci. Biol. Sci. 35: 549–555 Siemensma F. J., Opitz A. M. (2014) Beobachtungen an Pseudonebela africana, einer seltenen, doch weltweit verbreiteten Schalenamöbe. Mikrokosmos 103, Heft 4 Smith H. G., Wilkinson D. M. (2007) Not all free-living microorganisms have cosmopolitan distributions – the case of Nebela (Apodera) vas Certes (Protozoa: Amoebozoa: Arcellinida). J. Biogeogr. 34: 1822–1831 Smith H. G., Bobrov A., Lara E. (2007) Diversity and Biogeography of Testate Amoebae. In Protist Diversity and Geographical Distribution, (Eds. W. Foissner, D. L. Hawksworth), 95–109. Topics in Biodiversity and Conservation 8. Springer, Netherlands Tsyganov A., Mazei Y. (2006) Morphology and biometry of Arcella intermedia (Deflandre, 1928) comb. nov. from Russia and a review of hemispheric species of the genus Arcella (Testcealobosea, Arcellinida). Protistology 4 Wanner M., Meisterfeld R. (1994) Effects of some environmental factors on the shell morphology of testate amoebae (Rhizopoda, Protozoa). Eur. J. Protistol. 30: 191–195 Yang J., Meisterfeld R., Zhang W., Shen Y. (2005) Difflugia mulanensis nov. spec., a freshwater testate amoeba from Lake Mulan, China. Eur. J. Protistol. 41: 269–276 Zapata J., Fernandez L. (2008) Morphology and morphometry of Apodera vas (Certes, 1889) (Protozoa: Testacea) from two peatlands in Southern Chile. Acta Protozool. 47: 389