This subspecies of Stoddart’s Snail was described in 1913; it was restricted to Napean- and Norfolk Island, Norfolk Islands.

This form is now extinct.

*********************

References:

[1] Tom Iredale: The Land Mollusca of Norfolk Island. The Australian Zoologist 11: 46-71. 1945-1951

*********************

Depiction from: ‘Tom Iredale: The Land Mollusca of Norfolk Island. The Australian Zoologist 11: 46-71. 1945-1951’

http://creativecommons.org/licenses/by-nc-sa/3.0

*********************

edited: 17.08.2022