Said of larva that develop from a relatively large yolky egg .

从一个相对大的卵黄卵发育的幼体。

This earlier work showed how females brood their young for up to 18 months , from " large yolky eggs " to " fully shelled young " , and found that females can support as many as 70 young inside their hinged shell .

早期的文献介绍了雌性个体怎样在长达18个月的时间内孵化出幼体，将其从“卵黄很大的卵”孵化成“完全由贝壳包覆的幼体”；同时还介绍了每个雌性个体可以在其壳内抚育多达70个个体。