Dubious Libera Snail (Libera dubiosa)

The Dubious Libera Snail was described in 1889; it inhabited some of the valleys on the eastern- and northern sides of the island of Mo’orea in the Society Islands. 

The shells reach sizes of 0.48 to 0.58 cm. [1]

The species was apparently never recorded alive subsequently. [2]

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References:

[1] Alan Solem: Endodontoid land snails from Pacific Islands (Mollusca: Pulmonata: Sigmurethra). Part I, Family Endodontidae. Field Museum of Natural History Chicago, Illinois 1976
[2] C. C. Christensen; J. G. Kahn; P. V. Kirch: Nonmarine Mollusks from Archaeological Sites on Mo‘orea, Society Islands, French Polynesia, with Descriptions of Four New Species of Recently Extinct Land Snails (Gastropoda: Pulmonata: Endodontidae). Pacific Science 72(1): 95-123. 2018

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edited: 17.02.2024