Austromitra ambulacrum is an extinct species of sea snail, a marine gastropod mollusk, in the family Costellariidae, the ribbed miters.MolluscaBase (2018). Austromitra ambulacrum (Marwick, 1926) †. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=831306 on 2018-12-31
Distribution This species occurs in New Zealand.
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