Daniel J. G. Lahr, Philip J. Bergmann & Sônia G. B. C. Lopes. "Taxonomic identity in microbial eukaryotes: a practical approach using the testate amoeba Centropyxis to resolve conflicts between old and new taxonomic descriptions". Journal of Eukaryotic Microbiology. 55 (5). 2008: 409–416. doi:10.1111/j.1550-7408.2008.00339.x. PMID19017061.
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Daniel J. G. Lahr, Philip J. Bergmann & Sônia G. B. C. Lopes. "Taxonomic identity in microbial eukaryotes: a practical approach using the testate amoeba Centropyxis to resolve conflicts between old and new taxonomic descriptions". Journal of Eukaryotic Microbiology. 55 (5). 2008: 409–416. doi:10.1111/j.1550-7408.2008.00339.x. PMID19017061.