Carelia knudseni was a species of small, air-breathing, land snail, terrestrial pulmonate gastropod mollusc in the family Amastridae.
This species was endemic to the Hawaiian Islands before being recognised as extinct in 1990 by the IUCN.
References
- ^ Mollusc Specialist Group (1996). "Carelia knudseni". IUCN Red List of Threatened Species. 1996: e.T3884A10152693. doi:10.2305/IUCN.UK.1996.RLTS.T3884A10152693.en. Retrieved 17 November 2021.