BAQRI, S.; ROOHI, G.; MUSTAFA, G. A new record of trace fossil polychaete (annelid) from the Cambrian of the Salt Range, Punjab, Pakistan. Journal of Himalayan Earth Sciences, [S. l.], v. 34, n. 1, p. 113-117, 2001. Disponível em: http://ojs.uop.edu.pk/jhes/article/view/1538. Acesso em: 1 jan. 2025.