echinamoebidae echinamoebidae echinamoebidae is a family of amoebozoa, containing the genera echinamoeba and filamoeba. it was established by frederick page in 1975. echinamoebidae vermamoeba vermiformis (formerly called hartmannella vermiformis) scientific classification domain: eukaryota phylum: amoebozoa class: tubulinea order: echinamoebidacavalier-smith, 2004 family: echinamoebidaepage, 1975 taxonomy family echinamoebidae page 1975 genus comandonia sawyer & griffin 1975 ex pernin & pussard 1979 species c. operculata sawyer & griffin 1975 ex pernin & pussard 1979 genus micriamoeba atlan et al. 2012 species m. tesseris atlan et al. 2012 genus echinamoeba page 1975 species e. exudans (page 1967) page 1975 species e. silvestris page 1975 species e. thermarum baumgartner et al. 2003