Umbilicate Pebblesnail (Clappia umbilicata)
The Umbilicate Pebblesnail was endemic to the Coosa River in Alabama, USA, where it inhabited shoal habitats.
The species disappeared when the river was impounded.
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edited: 22.03.2018
Dead as the Dodo – Holocene Extinctions
… about 5858 taxa have disappeared since the beginning of the Anthropocene era (since about 10000 BCE)
