Above, the Medusa-like arms of a northern basket star (right) seek a meal of zooplankton beside a polar alcyonarian soft coral in the shallows beneath an ice sheet in the Canadian Arctic.

在加拿大北极圈的一层薄冰之下，一种两极生活的低级腔肠动物软珊，那一组令人恐怖的像发女怪的肢体在北极找软珊做为一顿美餐。

Recently some Brachiopoda, coral, gastropoda, phytolite is identified by Nanjing Institute of Geology and Palaeontology China Academy of Sciences.The age belongs to Late Carboniferous epoch.

在该层中发现了一些腕足、珊、腹足、植物化石，经中国科学院南京质古生物研究所鉴定，时代属晚石炭世晚期。