|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
It was assigned to Erniettamorpha by Sepkoski (2002); to Placozoa by Sperling and Vinther (2010); to Dickinsoniomorpha by Erwin et al. (2011) and Darroch et al. (2018); and to Petalonamae by Hoyal Cuthill and Han (2018).
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.