Cueva de Kubler Snail (Naesiotus kublerensis)
This species was described in 1986; it is known from subfossil shells that were found amongst a larger collection of shells in the Cueva de Kubler on the island of Santa Cruz in the Galápagos archipelago. [1]
The species was never seen alive and is clearly extinct.
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References:
[1] Steven M. Chambers; David W. Steadman: Holocene terrestrial gastropod faunas from Isla Santa Cruz and Isla Floreana, Galápagos: evidence for late Holocene declines. Transactions of the San Diego Society of Natural History 21(6): 89-110. 1986
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edited: 01.06.2021