Typhis hebetatus is an extinct species of sea snail, a marine gastropod mollusk, in the family Muricidae, the murex snails or rock snails.MolluscaBase (2018). Typhis hebetatus Hutton, 1877 †. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=830907 on 2019-01-06 It was 25–35 mm long, and is visually similar to Typhis adventus, though is more slender and has two variceal spines.
Distribution This species occurs in New Zealand.
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