Tag Archives: Gratiot County

Fossaria cyclostoma Walker

Bugle Fossaria (Fossaria cyclostoma 

This freshwater snail is known only from several relict populations from disjunct, in other words disconnected areas in the US-American states of Michigan and New York.  

The shell reached a height of about 0,75 cm.  

The species is now considered extinct.  

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Depiction from: ‘Bryant Walker: New Michigan Lymnaeas. The Nautilus 22: 4-9/16-19. 1908’  

(not in copyright)

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edited: 07.11.2020