Pyramid Slitshell (Gyrotoma pyramidata)
The Pyramid Slitshell was described in 1845, it was endemic to the Coosa River in Alabama, USA and disappeared after the impoundment of the river at the beginning of the 20th century.
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edited: 07.05.2019
Dead as the Dodo – Holocene Extinctions
… about 5858 taxa have disappeared since the beginning of the Anthropocene era (since about 10000 BCE)
