placidozoa placidozoa placidozoa is a recently defined non-photosynthetic lineage of stramenopiles. placidozoa opalina ranarum, a species of placidozoan scientific classification domain: eukaryota clade: diaphoretickes clade: sar clade: stramenopiles phylum: bigyra subphylum: opalozoa infraphylum: placidozoacavalier-smith 2013 classes "wobblata" placididea nanomonadea opalomonadea opalinata opalinea blastocystea wikispecies has information related to placidozoa. phylogeny in 2016, philippe silar presented the following phylogeny for the placidozoa: placidozoa placididea nanomonadea opalomonadea opalinata blastocystea opalinea taxonomy infraphylum placidozoa cavalier-smith 2013 superclass wobblata cavalier-smith 2006 stat. n. 2013 (paraphyletic) class placididea moriya, nakayama & inouye 2002 order placidida moriya, nakayama & inouye 2002 family placidiaceae moriya, nakayama & inouye 2002 genus pendulomonas tong 1997 genus placidia moriya, nakayama & inouye 2002 genus wobblia moriya, nakayama & inouye 2000 genus allegra rybarski et al. 2015 class nanomonadea cavalier-smith 2013 order uniciliatida cavalier-smith 2013 family solenicolidae cavalier- smith 2013 genus solenicola pavillard 1916 family incisomonadidae cavalier-smith & scoble 2013 genus incisomonas scoble & cavalier-smith 2013 class opalomonadea cavalier-smith 2013 genus barthelona bernard, simpson & patterson 2000 genus quasibodo bernard, simpson & patterson 2000 superclass opalinata wenyon 1926 emend. cavalier-smith 1996 stat. n. 2006 class blastocystea zierdt et al. 1967 order blastocystida zierdt 1978 family blastocystidae jiang & he 1988 non jaekel 1918 genus blastocystis alexeev 1911 non jaekel 1918 class opalinea wenyon 1926 stat. n. cavalier-smith 1993 emend. cavalier-smith 2013 order proteromonadida grassé 1952 emend. cavalier-smith 1993 family proteromonadidae grassé 1952 genus proteromonas kunstler 1883 order opalinida poche 1913 stat. n. hall 1953 emend. cavalier-smith family karotomorphidae travis 1934 genus karotomorpha travis 1934 family opalinidae claus 1874 genus bezzenbergia earl 1973 genus hegneriella earl 1971 genus cepedea metcalf 1920 genus opalina purkinje & valentin 1835 genus protozelleriella delvinquier, markus & passmore 1991 genus zelleriella metcalf 1920 genus protoopalina metcalf 1918