PALAIOS supplementary material

Fig. 6_high res .tif - a high resolution image of the fossil bed, able to zoom in for more details. Stylophorans .jpg - Virtual reconstruction of the Karbonaatjies obrution bed shows over 145 articulated Paranacystis cf. petrii Caster, 1954 (green) and eight Placocystella africana (Reed, 1925) (red). Ophiuroid arm fragments.jpg - Virtual reconstruction of the Karbonaatjies obrution bed shows over 634 fragmented/ isolated arms that are complete or near complete. Arms are distributed randomly throughout the bed and occasionally in dense aggregations. Additional figures.docx - Associated fossiliferous beds, shell specimens in the lower part of the Karbonaatjies obrution bed, ophiuroid with broken arm next to disk. Movie 1 - 3D movie Movie 2 - 3D movie a sampleMovie 3 - slice image stack of a sample. Movie 4 - 3D movie of an Individual ophiuroid

Fig. 6_high res .tif：该文件为化石床的高分辨率图像，可放大查看更多细节。
Stylophorans .jpg：Karbonaatjies埋藏床的虚拟重建效果图，展示了逾145具铰接保存的Paranacystis cf. petrii Caster, 1954（绿色，比较种）与8具Placocystella africana (Reed, 1925)（红色），涉及类群为柱形动物类（Stylophorans）。
Ophiuroid arm fragments.jpg：Karbonaatjies埋藏床的虚拟重建效果图，展示了逾634块完整或近乎完整的断裂/孤立腕足。这些腕足随机分布于整个床层，偶尔形成密集聚集群。
Additional figures.docx：包含相关含化石层位、Karbonaatjies埋藏床下部的壳体标本，以及腕盘旁带有断裂腕足的蛇尾类（Ophiuroid）化石。
Movie 1：3D电影
Movie 2：3D电影（示例片段）
Movie 3：样本的断层图像序列
Movie 4：单只蛇尾类的3D电影