|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gastropoda - Neritidae
It was reranked as Neritina (Smaragdia) by Maury (1917).
It was assigned to Neritina by Maury (1917); to Neritidae by Weisbord (1962), Ladd (1966), Ladd (1982) and Todd (2001); to Archaeogastropoda by Sepkoski (2002); and to Smaragdiinae by Gardner (1947), Perrilliat (1972), Wilson (1993) and Bouchet et al. (2005).
|Year||Name and author|
|1869||Smaragdia Issel p. 212|
|1917||Neritina (Smaragdia) Maury p. 316|
|1947||Smaragdia Gardner p. 607|
|1962||Smaragdia Weisbord p. 116|
|1966||Smaragdia Ladd p. 58|
|1972||Smaragdia Perrilliat p. 24|
|1982||Smaragdia Ladd p. 28|
|1993||Smaragdia Wilson p. 42|
|2002||Smaragdia Sepkoski, Jr.|
|2005||Smaragdia Bouchet et al. pp. 160, 246|
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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.