centropyxidae centropyxidae centropyxidae is a family of amoebozoa. centropyxidae centropyxis aculeata scientific classification domain: eukaryota (unranked): amoebozoa class: tubulinea order: arcellinida family: centropyxidae genera centropyxiella valkanov, 1970 centropyxis stein, 1857 proplagiopyxis