Shu D.G., Conway Morris, S., Han, J., Chen, L., Zhang, X.-L., Zhang, Z.-F., Liu, H.-Q., Li, Y., and Liu, J.-N.. Primitive deuterostomes from the Chengjiang Lagerstätte (Lower Cambrian, China). „Nature”. 414, s. 419–424, 2001. DOI: 10.1038/35106514.
Briggs, D. E. G., Lieberman, B. S., Halgedahl, S. L. and Jarrarad, R. D.. A new metazoan from the Middle Cambrian of Utah and the nature of the Vetulicolia . „Palaeontology”. 48, s. 681–686, 2005. DOI: 10.3410/f.1027250.326696.
Jakob Vinther, M. Paul Smith, David A. T. Harper. Vetulicolians from the Lower Cambrian Sirius Passet Lagerstätte, North Greenland, and the polarity of morphological characters in basal deuterostomes. „Palaeontology”. 54 (3), s. 711–719, 2011. DOI: 10.1111/j.1475-4983.2011.01034.x.
Diego C. García-Bellido, Michael S. Y. Lee, Gregory D. Edgecombe, James B. Jago, James G. Gehling and John R Paterson. A new vetulicolian from Australia and its bearing on the chordate affinities of an enigmatic Cambrian group. „BMC Evolutionary Biology”. 2014:14, 2014. DOI: 10.1186/s12862-014-0214-z.
D.-G. Shu1, S. Conway Morris3, Z.-F. Zhang and J. Han. The earliest history of the deuterostomes: the importance of the Chengjiang Fossil-Lagerstätte. „Proceeding of the Royal Society B”. 277, s. 165 – 174, 2009. DOI: 10.1098/rspb.2009.0646.
Thurston C. Lacalli. Vetulicolians—are they deuterostomes? chordates?. „BioEssays”. 24, s. 208 – 211, 2002. DOI: 10.1002/bies.10064.
Qiang Ou, Simon Conway Morris, Jian Han, Zhifei Zhang, Jianni Liu, Ailin Chen, Xingliang Zhang , Degan Shu. Evidence for gill slits and a pharynx in Cambrian vetulicolians: Implications for the early evolution of deuterostomes. „BMC Biology”. 10 (81), 2012. DOI: 10.1186/1741-7007-10-81.
