卵：乳白色有光泽，表面有网状刻纹。

Eggs: ivory luster, the surface has mesh groove.

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生物量优势种为刻纹蚬、萝卜螺和摇蚊。

The biomass was mainly contributed by Corbicula largillierti, Radix sp. , and Chironomus sp.

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在中心有一个洞和精细的螺旋刻纹，是近乎书写状连续螺线。

There was a hole in the center of and a fine spiral groove that is a continuous spiralling line of closely written characters.

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