Wikipedia
Maotianshania
Maotianshania cylindrica is an extinct worm-like creature of average size (up to long and wide). It occurs in the Lower Cambrian (Atdabanian) Chengjiang biota of Northeastern Yunnan, China. It is usually preserved as pink impression. The gut is a dark central zone. The anterior pharyx and "collar", carry tiny sepia-colored teeth. The very back-end of the body has two small hooks.