|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Strophomenata - Strophomenida - Leptostrophiidae
It was recombined as Strophodonta perplana by Hall (1867); it was recombined as Stropheodonta perplana by Schuchert (1897); it was recombined as Leptostrophia perplana by Clarke (1903); it was recombined as Protoleptostrophia perplana by Caster (1939) and Ellison (1965).
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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.