Bythinella mauritanica Letourneux & Bourguignat

Temple Spring Snail (Bythinella mauritanica 

The Temple Spring Snail species was found only once in the year 1887, in the basin of an ancient Roman Spring Sanctuary near the town of Zaghouan in Tunisia.  

Because it was never found again, the species is now considered extinct.  

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edited: 04.11.2017