| 名稱 海胆刺化石 | Name Echinoid sea urchin Fossil |
| 地質年代 / | Geological Age / |
| 描述 Echinoids 與海百合與海星有關。這些通常有5個對稱。 Echinoids 背上有一顆五角星⭐️。 | Descriptions Echinoids are related to crinoids and starfish. These often have 5 fold symmetry. Echinoids have a five-pointed star on their back. |
| 地點 廣西桂林 | Location Guilin, Guangxi |
| 參考 Reference https://en.m.wikipedia.org/wiki/Sea_urchin | |
| 編者 由3A (18) 冼卓然 於 2/6/2018編寫 由3C (14) 劉競謙 於 30/5/2019最後編改 | Editor Created by 3A (18) Sin Cheuk Yin on 2/6/2018 Last modified by 3C (14) Lao King Him on 30/5/2019 |
