centropyxis centropyxis centropyxis is a genus of lobose testate amoebae (amoebozoa), including the species centropyxis aculeata. centropyxis centropyxis aculeata scientific classification domain: eukaryota phylum: amoebozoa class: tubulinea order: arcellinida family: centropyxidae genus: centropyxisstein, 1857 species centropyxis aculeata (ehrenberg, 1832) stein, 1859 centropyxis aerophila deflandre, 1929 centropyxis constricta (ehrenberg, 1841) deflandre, 1929 centropyxis minuta deflandre, 1929 centropyxis platystoma (penard, 1890) deflandre, 1929