SINCE 1828
valvata
noun
val·va·ta
| \ valˈvätə, -ˈvātə\
Definition of valvata
1
capitalized
: a genus of freshwater operculate snails (suborder Taenioglossa) having the gill attached only by the base so that it forms a process like a feather outside the shell when extended
2
plural -s
: any snail of the genus Valvata
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