Falsimargarita tangaroa is a species of sea snail, a marine gastropod mollusk, in the family Calliostomatidae within the superfamily Trochoidea, the top snails, turban snails and their allies.
This species occurs in New Zealand Exclusive Economic Zone.
^ a b MolluscaBase (2018). Falsimargarita tangaroa B. A. Marshall, 2016. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=881086 on 2018-12-28
^ Marshall, B. A. (2016). New species of Venustatrochus Powell, 1951 from New Zealand, and new species of Falsimargarita Powell, 1951 and a new genus of the Calliostomatidae from the southwest Pacific, with comments on some other calliostomatid genera (Mollusca: Gastropoda). Molluscan Research. 36: 119-141.