cryptodifflugiidae cryptodifflugiidae cryptodifflugiidae is a family of arcellinid testate amoebae. cryptodifflugiidae tests of cryptodifflugia sp., from the eugène penard collection scientific classification domain: eukaryota phylum: amoebozoa class: tubulinea order: arcellinida suborder: phryganellina family: cryptodifflugiidaejung, 1942 genera cryptodifflugia cash 1904 meisterfeldia bobrov 2016 wailesella deflandre 1928 wikimedia commons has media related to cryptodifflugiidae. wikispecies has information related to cryptodifflugiidae. description members of this family are conopodous (with conical pseudopods) amoebae with the body in a clear, usually firm, vase-shaped test, and conical pseudopods for locomotion that extend separately from the opening of the test. classification the classification of the family, as of 2019: infraorder phryganellina bovee 1985 family cryptodifflugiidae penard 1890 cryptodifflugia cash 1904 – 23 species meisterfeldia bobrov 2016 – 6 species wailesella deflandre 1928 – 1 species the 2022 classification places meisterfeldia and wailesella as arcellinida incertae sedis, leaving cryptodifflugia as the sole member of the family.