FL056 Sea Urchin Fossil
名稱 海胆化石 Name Sea urchin fossil 地質年代 / Geological Age / 描述 尺寸:28*16*28mm 重:17g 膽殼外型呈球形和半球形,呈五輻射對稱,用刺棘或足行動。外形呈扁平圓盤狀,表面有五枚花瓣紋。當它們還活著時,通常是刺狀,死後在其表面留下孔洞” Descriptions It is originally a Sea urchin, typically spiny when they still alive which leaves holes on its surface. 地點 摩洛哥 Location Morocco 參考 Reference / 編者 由 5C (18) 梁偉澄 於 29/5/2019 編寫 3E (13) 羅朗均 於31/5/2019最後編改 Editor Created by 5C (18) Leung Wai Ching on 29/5/2019 Last modified by 3E (13) Law Long Kwan on 31/5/2019 34,35,288,292.066376