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Canada's Species   Molluscs

sub. sincera : Ribbed Valve Snail
sub. helicoidea : Northern Valve Snail
sub. ontariensis : Loosely Coiled Valve Snail

Valvata sincera

Map of sub. <I>sincera</I> : Ribbed Valve Snail <br>sub. <I>helicoidea</I> : Northern Valve Snail <br>sub. <I>ontariensis</I> : Loosely Coiled Valve Snail in Canada
Distribution of sub. sincera : Ribbed Valve Snail
sub. helicoidea : Northern Valve Snail
sub. ontariensis : Loosely Coiled Valve Snail in Canada
   
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