Supplementary Data Table 1. Hole sizes and specimen information; Chuar Group, Grand Canyon, Arizona, USA

Supplementary Data Table 1. Hole sizes in specimens from the Chuar Group, Grand Canyon, Arizona, with reference to data shown in Figure 3. See Porter and Riedman (in press) for more details on samples. (UCMP = University of California Museum of Paleontology.)补充数据表1：亚利桑那州大峡谷丘尔群（Chuar Group）标本的孔洞尺寸，关联图3所展示的数据。有关样品的更多详细信息，请参阅Porter与Riedman（即将出版）。（UCMP = 加州大学古生物博物馆（University of California Museum of Paleontology））