Compared with the D-larvae and the umbo-larvae, the densities of the post larvae and the settled spats show rapid reductions at the end of the development process.

D形幼虫壳顶幼虫相比，壳顶后期幼虫及附着稚贝的密度大幅下降。

Compared with the D-larvae and the umbo-larvae, the densities of the post larvae and the settled spats show rapid reductions at the end of the development process.

与D形与壳顶相比，壳顶后及附着稚贝的密度大幅下降。

Compared with the D-larvae and the umbo-larvae, the densities of the post larvae and the settled spats show rapid reductions at the end of the development process.

与D形幼虫与壳顶幼虫相比，壳顶后期幼虫及附着稚贝的密度大幅下降。

Compared with the D-larvae and the umbo-larvae, the densities of the post larvae and the settled spats show rapid reductions at the end of the development process.

与D形幼虫与顶幼虫，顶后期幼虫及附着稚贝的密度大幅下降。

Compared with the D-larvae and the umbo-larvae, the densities of the post larvae and the settled spats show rapid reductions at the end of the development process.

与D形幼虫与顶幼虫，顶后期幼虫及附着稚贝的密度大幅下降。

Compared with the D-larvae and the umbo-larvae, the densities of the post larvae and the settled spats show rapid reductions at the end of the development process.

与D形幼虫与壳顶幼虫相比，壳顶后期幼虫及附着稚贝的幅下降。

Compared with the D-larvae and the umbo-larvae, the densities of the post larvae and the settled spats show rapid reductions at the end of the development process.

与D形幼虫与壳顶幼虫相比，壳顶后期幼虫及附着稚贝密度大幅下降。

Compared with the D-larvae and the umbo-larvae, the densities of the post larvae and the settled spats show rapid reductions at the end of the development process.

与D形幼虫与壳顶幼虫相比，壳顶后期幼虫及附着稚贝的密度大幅下降。

Compared with the D-larvae and the umbo-larvae, the densities of the post larvae and the settled spats show rapid reductions at the end of the development process.

与D形幼虫与壳顶幼虫相比，壳顶后期幼虫及附着稚贝的密度大幅下降。