|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gastropoda - Neogastropoda - Olividae
It was reranked as Ancillaria (Ancilla) by Koperberg (1931).
It was assigned to Gastropoda by Mansfield (1925); to Ancillaria by Koperberg (1931); to Ancillinae by Woodring (1964); to Olivinae by MacNeil (1960), Sohl (1964) and Robba et al. (1989); to Olividae by Woodring (1928), Oostingh (1935), Abbass (1967), Marasti (1973), Todd (2001) and Wienrich (2001); and to Neogastropoda by Sepkoski (2002).
|Year||Name and author|
|1925||Ancilla Mansfield p. 33|
|1928||Ancilla Woodring p. 234|
|1931||Ancillaria (Ancilla) Koperberg p. 71|
|1935||Ancilla Oostingh p. 104|
|1960||Ancilla MacNeil p. 87|
|1964||Ancilla Sohl p. 247|
|1964||Ancilla Woodring p. 279|
|1967||Ancilla Abbass p. 95|
|1973||Ancilla Marasti p. 93|
|1989||Ancilla Robba et al. p. 81|
|2001||Ancilla Wienrich p. 506|
|2002||Ancilla Sepkoski, Jr.|
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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.