| equivalve | <zoology> Having the valves equal in size and from, as in most bivalve shells. Origin: Equi- + valve. Source: Websters Dictionary (01 Mar 1998) |
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| equivalved | <zoology> Having the valves equal in size and from, as in most bivalve shells. Origin: Equi- + valve. Source: Websters Dictionary (01 Mar 1998) |