Margarella runcinata is an extinct species of sea snail, a marine gastropod mollusk, in the family Calliostomatidae within the superfamily Trochoidea, the top snails, turban snails and their allies.MolluscaBase (2018). Margarella runcinata Marwick, 1928 †. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=830225 on 2018-12-28
Distribution This species occurs in New Zealand.
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