undescribed

1.The video also revealed a previously undescribed feature of these fish — its eyes are surrounded by a transparent, fluid-filled shield that covers the top of the fish's head.

段视频揭示了管眼之前未曾被描述的显著特征——它的眼睛周围是充满液体的透明部外，区域于部顶端。

2.Based on a study that included a single undescribed Malagasy species in the spider genus Anelosimus, investigators found that this species could be grouped within a clade of NewWorld social species.

基于包括个单的没描述的马达加斯加球蛛科类，调查人发现个类可能是新大陆社会类的个分支。