In the latest study, the team used micro-CT technology to scan the fossil and found that the interior contained inverted ovules, which is a key feature for determining angiosperms.

在最新的研究，使用微型 CT 技术扫描化石，发现内部包含倒置的胚珠，这是确定被子的关键特征。

Sponges can reproduce both sexually and asexually – and when they take the asexual route, usually in harsh conditions, they produce a tiny bundle of embryonic cells called a gemmule.

海绵可以进行有性繁殖和性繁殖——当它们采取性繁殖方式时，通常是在恶劣的条件下， 它们会产生一小束称为胚珠的胚胎细胞。

In certain whole groups of plants the ovules stand erect, and in others they are suspended; and within the same ovarium of some few plants, one ovule holds the former and a second ovule the latter position.

在某些整群， 胚珠直立，而在另一些群， 胚珠则悬空；在少数的同一个子房内， 一个胚珠占据前者的位置， 第二个胚珠占据后者的位置。

If so, the position of the ovules, even when one is erect and the other suspended within the same ovarium, would follow the selection of any slight deviations in position which favoured their fertilisation, and the production of seed.

如果是这样， 胚珠的位置， 即使一个直立而另一个悬置在同一个子房内，也将遵循有利于它们受精和种子生产的任何轻微位置偏差的选择。