Species of gastropod
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Alcithoe triregensis is a species of sea snail, a marine gastropod mollusk in the family Volutidae, the volutes.
Description.
The length of the shell attains 69.8 mm, its diameter 21.4 mm.
Distribution.
This marine species is endemic to New Zealand and occurs between the Middlesex Bank, northwest of Three Kings Islands at depths between 246 m and 291 m. 
References.
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