Fig. 4 in Trunk ornament on the palaeoscolecid worms Cricocosmia and Tabelliscolex from the Early Cambrian Chengjiang deposits of China

Fig. 4. SEM−BSE images of uncoated specimens of Tabelliscolex from the Early Cambrian of Chengjiang, China. A. Tabelliscolex maanshanensis sp. nov., ELI−0001219, holotype; A1, molted elongate sclerites; A2, shows the tubercles and the pits on the inner side; A3, showing each pit has a inner circlet of concentric laminae; A4, close−up showing the pit and the inner lamina. B. Tabelliscolex hexagonus Han, Zhang, and Shu, 2003a, ELI−0001218, holotype; B1, two over−lapping plates, one plate showing the tubercles (B2) and another showing the pits (B3); B4, the skeleton of the plate, noting the framboidal pyrites within the skeleton; B5, close−up showing framboidal pyrites replicated by finer minerals (B6); B7, close−up of the pit; B8, some needle−like minerals within the pit in B7.