Panama Zetekina Snail (Zetekina panamensis)
The Panama Zetekina Snail was endemic to the Río Matasnillo, which runs through Panama City, the capital of Panama.
The species is now considered extinct, probably as a result of water pollution. [1]
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References:
[1] Fred G. Thompson: An annotated checklist and bibliography of the land and freshwater snails of México and Central America. Bulletin of the Florida Museum of Natural History 50(1): 1-299. 2011
Rowell’s Cochliopa Snail (Cochliopa rowelli)
Rowell’s Cochliopa Snail, which was described in 1863, appears to have always been restricted to its type locality, the Río Matasnillo in Panamá City, Panama.
The species is now considered extinct, possibly caused by the pollution of its habitat. [1]
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References:
[1] Fred G. Thompson: An annotated checklist and bibliography of the land and freshwater snails of México and Central America. Bulletin of the Florida Museum of Natural History 50(1): 1-299. 2011
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edited: 20.09.2020