Dole’s Carelia Snail (Carelia dolei ssp. dolei)
The nominate race of this species was described in the year 1893, as far as I know, this form is known exclusively from subfossil shells.
The species was endemic to Kaua’i, Hawaiian Islands.
The shell reaches a height of about 5,8 cm.
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(public domain)
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edited: 21.10.2017