How to use Inequivalve in a sentence
A dorsal contractile heart, with symmetrical right and left auricles receiving aerated blood from the ctenidia and mantle skirt, is present, being unequally developed only in those few forms which are inequivalve.
Mantle open; foot rather small; branchiae folded; shell inequivalve.
Asymmetrical, inequivalve, fixed, with extensive pallial sutures; no siphons.
Caprinidae.-Shell inequivalve; fixed valve spiral or conical; free valve coiled or spiral; Cretaceous.
Monopleuridae.-Shell very inequivalve; fixed valve conical or spiral; free valve operculiform; Cretaceous.Advertisement
Spondylidae.-Shell very inequivalve, fixed by the right valve which is the larger.