Fig. 2

Original fossil-surrounding rock and its segments. A Original fossil-surrounding rock (scale bar: 5 cm); B Segment No. 1 (scale bar: 2 cm); C Segment No. 2 (scale bar: 3 cm); D Segment No. 3 (scale bar: 3 cm); E Segment No. 4 (scale bar: 3 cm); F Segment No. 5 (scale bar: 3 cm)