Silurian crinoid fossil (Periechocrinus)

This is a limestone slab with beautifully preserved crinoid fossils (*Periechocrinus costatus*; BU2470, BIRUG 4899) on display in the Evolution of Life gallery of the Lapworth Museum of Geology. The crinoids come from the 428 million-year-old Much Wenlock Limestone Formation of Dudley, West Midlands, UK. In the Silurian the West Midlands was covered by warm shallow tropical seas, and a diverse ecosystem lived on and around coral and sponge reefs on the sea floor. Digitised using an Artec Spider 3D scanner by University of Birmingham Palaeobiology & Palaeoenvironments undergraduate student Luke Meade. Source: Objaverse 1.0 / Sketchfab本展品为一块保存完好的海百合化石石灰岩板，该海百合物种为*Periechocrinus costatus*，标本编号为BU2470与BIRUG 4899，陈列于拉普沃思地质博物馆（Lapworth Museum of Geology）的生命演化展厅中。这批海百合化石采自英国西米德兰兹郡达德利地区、距今4.28亿年的穆奇温洛克石灰岩组（Much Wenlock Limestone Formation）。志留纪时期，西米德兰兹地区曾被温暖的浅热带海域覆盖，海底珊瑚礁与海绵礁之上及周边曾孕育出多样的生态系统。该三维数字化工作由伯明翰大学古生物学与古环境专业本科生卢克·米德（Luke Meade）使用Artec Spider三维扫描仪完成。数据来源：Objaverse 1.0 / Sketchfab