|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Strophomenata - Strophomenida - Leptestiidae
It was assigned to Leptestiinae by Opik (1933); to Leptestiininae by Bassett and Cocks (1974); to Strophomenida by Sepkoski (2002); and to Leptestiidae by Jin and Chatterton (1997), Williams et al. (2000), Cocks (2005), Cocks (2010), Rubel (2011) and Hints and Harper (2015).
|Year||Name and author|
|1936||Diambonia Cooper and Kindle|
|1974||Leangella Bassett and Cocks|
|1997||Leangella Jin and Chatterton|
|2000||Leangella Williams et al. p. 331|
|2002||Diambonia Sepkoski, Jr.|
|2002||Leangella Sepkoski, Jr.|
|2002||Opikella Sepkoski, Jr.|
|2005||Leangella Cocks p. 272|
|2015||Leangella Hints and Harper|
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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.