"Carnivores". U.S. Department of the Interior, Bureau of Land Management. 14 December 2009. Archived from the original on 14 June 2011. Retrieved 28 March 2011.
David Berlinski, an intelligent design proponent, questioned the basis of the calculations, and the author of the original paper refuted Berlinski's criticism.
Lee, M. S. Y.; Jago, J. B.; Garcia-Bellido, D. C.; Edgecombe, G. E.; Gehling, J. G; Paterson, J. R. (2011). "Modern optics in exceptionally preserved eyes of Early Cambrian arthropods from Australia". Nature. 474 (7353): 631–634. Bibcode:2011Natur.474..631L. doi:10.1038/nature10097. PMID21720369. S2CID4417647.
Halder, G.; Callaerts, P.; Gehring, W. J. (1995). "New perspectives on eye evolution". Current Opinion in Genetics & Development. 5 (5): 602–609. doi:10.1016/0959-437X(95)80029-8. PMID8664548.
Schoenemann, B.; Liu, J. N.; Shu, D. G.; Han, J.; Zhang, Z. F. (2008). "A miniscule optimized visual system in the Lower Cambrian". Lethaia. 42 (3): 265–273. doi:10.1111/j.1502-3931.2008.00138.x.
Mäthger, Lydia M.; Barbosa, Alexandra; Miner, Simon; Hanlon, Roger T. (1 May 2006). "Color blindness and contrast perception in cuttlefish (Sepia officinalis) determined by a visual sensorimotor assay". Vision Research. 46 (11): 1746–1753. doi:10.1016/j.visres.2005.09.035. PMID16376404. S2CID16247757.
Lee, M. S. Y.; Jago, J. B.; Garcia-Bellido, D. C.; Edgecombe, G. E.; Gehling, J. G; Paterson, J. R. (2011). "Modern optics in exceptionally preserved eyes of Early Cambrian arthropods from Australia". Nature. 474 (7353): 631–634. Bibcode:2011Natur.474..631L. doi:10.1038/nature10097. PMID21720369. S2CID4417647.
Lee, M. S. Y.; Jago, J. B.; Garcia-Bellido, D. C.; Edgecombe, G. E.; Gehling, J. G; Paterson, J. R. (2011). "Modern optics in exceptionally preserved eyes of Early Cambrian arthropods from Australia". Nature. 474 (7353): 631–634. Bibcode:2011Natur.474..631L. doi:10.1038/nature10097. PMID21720369. S2CID4417647.
Halder, G.; Callaerts, P.; Gehring, W. J. (1995). "New perspectives on eye evolution". Current Opinion in Genetics & Development. 5 (5): 602–609. doi:10.1016/0959-437X(95)80029-8. PMID8664548.
Mäthger, Lydia M.; Barbosa, Alexandra; Miner, Simon; Hanlon, Roger T. (1 May 2006). "Color blindness and contrast perception in cuttlefish (Sepia officinalis) determined by a visual sensorimotor assay". Vision Research. 46 (11): 1746–1753. doi:10.1016/j.visres.2005.09.035. PMID16376404. S2CID16247757.
Lee, M. S. Y.; Jago, J. B.; Garcia-Bellido, D. C.; Edgecombe, G. E.; Gehling, J. G; Paterson, J. R. (2011). "Modern optics in exceptionally preserved eyes of Early Cambrian arthropods from Australia". Nature. 474 (7353): 631–634. Bibcode:2011Natur.474..631L. doi:10.1038/nature10097. PMID21720369. S2CID4417647.
Mäthger, Lydia M.; Barbosa, Alexandra; Miner, Simon; Hanlon, Roger T. (1 May 2006). "Color blindness and contrast perception in cuttlefish (Sepia officinalis) determined by a visual sensorimotor assay". Vision Research. 46 (11): 1746–1753. doi:10.1016/j.visres.2005.09.035. PMID16376404. S2CID16247757.
"Carnivores". U.S. Department of the Interior, Bureau of Land Management. 14 December 2009. Archived from the original on 14 June 2011. Retrieved 28 March 2011.