Chen, Z.; Bengtson, S.; Zhou, C.-M.; Hua, H. & Yue, Z. (2008). "Tube structure and original composition of Sinotubulites: shelly fossils from the late Neoproterozoic in southern Shaanxi, China". Lethaia. 41 (1): 37–45. Bibcode:2008Letha..41...37C. doi:10.1111/j.1502-3931.2007.00040.x.
Chen, Z.; Bengtson, S.; Zhou, C.-M.; Hua, H. & Yue, Z. (2008). "Tube structure and original composition of Sinotubulites: shelly fossils from the late Neoproterozoic in southern Shaanxi, China". Lethaia. 41 (1): 37–45. Bibcode:2008Letha..41...37C. doi:10.1111/j.1502-3931.2007.00040.x.