Article
Phylogeography and conservation genetics of the Iowa pleistocene snail.
Molecular ecology - 1 Sept 1999
Ross T K
Abstract excerpt
The Iowa Pleistocene snail, Discus macclintocki, is an endangered species that survives only in relictual populations on algific (cold-air) talus slopes in northeast Iowa and northwest Illinois in the central region of the USA. These populations are believed to have been isolated since the temperatures began to warm at the end of the last glacial period around 16 500 years ago. DNA sequencing of the 16s rRNA gene...
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