Ahnelt, P., Glösmann, M., and Schubert, C. 2000. Functional retinal morphology: early mammal vision - similarities with dinos? ( http://www.univie.ac.at/Vergl-Physiologie/www/gphy_marsup.html).
Ali, M.A. and Anctil, M. 1976. Retinas of Fishes: An Atlas, Springer-Verlag, New York, New York.
Andrews, K.D. 1996. An endochondral rather than a dermal origin for scleral ossicles in Cryptodiran turtles, Journal of Herpetology, 30:257-260.
Bailey, C.H. and Gouras, P. 1985. The retina and phototransduction, p. 344-355. In Kandel, E.R. and Schwartz, J.H. Principles of Neural Science, 2nd Ed., Elsevier Science Publishing Co., Inc. New York, New York.
Bennett, A.T.D., Cuthill, I.C. and Norris, K.J. 1994. Sexual selection and the mismeasure of color, The American Naturalist, 144:848-860.
Bowmaker, J.K. 1998. Evolution of colour vision in vertebrates. Eye, 12(PT3B):541-547.
Bowmaker, J.K. 1991. The evolution of vertebrate visual pigments and photoreceptors, p.63-81. In Cronly-Dillon, J.R. and Gregory, R.L. Vision and Visual Dysfunction Vol. 2: Evolution of the Eye and Visual System, CRC Press, Inc. Boca Raton, Florida.
Bowmaker, J.K., Heath, L.A., Wilkie, S.E. and Hunt, D.M. 1997. Visual Pigments and oil droplets from six classes of photoreceptor in the retinas of birds. Vision Research, 37:2183-2194.
Cameron, D.A and Easter, S.S. Jr. 1993. The cone photoreceptor mosaic of the green sunfish, Lepomis cyanellus. Visual Neuroscience, 10:375-84.
Cameron, D.A. And Pugh, E.N. Jr. 1991. Double cones as a basis for a new type of polarization vision in vertebrates. Nature, 353:161-164.
Canavese, B. Fazzini, U. and Colitti, M. 1994. Morphometric analysis of the scleral bony ring with different numbers of ossicles in the eye of Coturnix coturnix japonica. Anatomia, Histologia, Embryologia: Journal der Weltvereinigung der Veterinearanatomen, 23:128-136.
Coates, K.J. 1998. Through dinosaur eyes. Earth, 7:24-31.
Colbert, E.H. 1961. Dinosaurs Their Discovery and Their World, E.P.Dutton & Co., New York, NY.
Dunn, R.F. 1966. Studies on the retina of the gecko Coleonyx variegatus II. The rectilinear visual cell mosaic. Journal of Ultrastructure Research, 16:672-684.
Engström, K. 1958. On the cone mosaic of the retina of Parus major. Acta Zoologica, 39:65-69.
Farlow, J.O. 1994. Speculations about the carrion-locating ability of Tyrannosaurs. Historical Biology, 7:159-165.
Felleman, D.J. and Van Essen, D.C. 1991 Distributed hierarchical processing in the primate cerebral cortex. Cerebral Cortex, 1:1-47.
Fitch, W.M. And Margoliash, E. 1970. The usefulness of amino acid and nucleotide sequences in evolutionary studies. Evolutionary Biology, 2:67-109.
Fleishman, L.J., McClintock, W.J., D'eath, R.B., Brainard, D.H. and Endler, J.A. 1998. Colour perception and the use of video playback experiments in animal behaviour. Animal Behaviour, 56:1035-1040.
Fordyce, D. and Cronin,T.W. 1989. Comparison of fossilized schizochroal compound eyes of phacopid trilobites with eyes of modern marine crustaceans and other arthropods. Journal of Crustacean Biology, 9:554-569.
Fordyce, D. and Cronin,T.W. 1993. Trilobite vision: a comparison of schizochroal and holochroal eyes with the compound eyes of modern arthropods. Paleobiology, 19:288-303.
Gauthier, J.A. 1994. The diversification of the Amniotes, p. 129-159. In Prothero, D.R. and Schoch, R.M. (eds.) Major Features of Vertebrate Evolution, University of Tennessee, Knoxville, Tennessee.
Goldsmith, T.H. 1990. Optimization, constraint and history in the evolution of eyes. Quarterly Review of Biology, 65:281-322.
Gould, S.J. 1988. Pretty pebbles. Natural History 97(4):14-26.
Hall, B.K. and Miyake, T. 1992. The membranous skeleton: the role of cell condensations in vertebrate skeletogenesis. Anatomy and Embryology, 186:107-124.
Heath, L.A., Wilkie, S.E., Bowmaker, J.K. and Hunt, D.M. 1997. The rod and green cone opsin of two avian species, the budgerigar, Melopsittacus undulatus, and the mallard duck, Anas platyrhynchus. Gene, 204:121-126.
Hedges, S.B. and Poling, L.L. 1999. A Molecular phylogeny of reptiles. Science, 283:998-1001.
Hisatomi, O., Satoh, T., Barthel, L.K., Stenkamp, D.L., Raymond, P.A. and Tokunaga, F. 1996. Molecular cloning and characterization of the putative ultraviolet-sensitive visual pigment of the goldfish. Vision Research, 36:933-939.
Jacobs, G.H. 1993. The distribution and nature of color vision among mammals. Biological Review, 68:413-471.
Jacobs, G.H., Neitz, J. and Deegan, J.F. II. 1991. Retinal receptors in rodents maximally sensitive to ultraviolet light. Nature, 353:655-656.
Kawamura, S. and Yokoyama, S. 1997. Functional characterization of visual and nonvisual pigments of American Chameleon (Anolis carolinensis), Vision Research, 38:37-44.
Liebman, P.A. and Entine, G. 1964. Sensitive low-light microspectrophotometer: detection of photosensitive pigments of retinal cones. Journal of the Optical Society of America, 54:1451-1459.
Lyall, A.H. 1957. Cone arrangements in Teleost retinae. Quarterly Journal of Microscopical Science, 98:189-201.
Mariani, A. P. 1986. Photoreceptors of the larval tiger salamander (Ambystoma tigrinum) retina. Proceedings of the Royal Society of London Series B Biological Sciences, 227:483-492.
Meyer, D. B. 1977. The avian eye and its adaptations, in Handbook of Sensory Physiology Vol. VII/5, Crescitelli, F. ed. 549-611. Springer-Verlag, New York, New York.
Morris, V.B. 1970. Symmetry in a receptor mosaic demonstrated in the chick from the frequencies, spacing and arrangements of the types of retinal receptor. Journal of Comparative Neurology, 140:359-398.
Morris, V.B. and Shorey, C.D. 1967. An electron microscope study of types of receptors in the chick retina. Journal of Comparative Neurology, 129:313-340.
Nakamura, K. And Yamaguchi, H. 1991. Distribution of scleral ossicles in Teleost fishes. Memoirs of Faculty of Fisheries of Kagoshima University, 40:1-20.
Nilsson, S.E.G. 1964. An electron micrographic classification of the retinal receptors of the Leopard Frog (Rana pipiens), Journal of Ultrastructure Research, 10:390-416.
Palacios, A.G., Varela, F.J., Srivastava, R.J., and Goldsmith, T.H. 1998. Spectral sensitivity of cones in the goldfish, Carassius auratus , Vision Research, 38:2135-2146.
Patterson, C. 1988. Homology in classical and molecular biology, Molecular Biology and Evolution, 5:603-625.
Richter, A. and Simon, E.J. 1974. Electrical responses of double cones in the turtle retina. Journal of Physiology, 242:673-683.
Robinson, S.R. 1994. Early vertebrate colour vision. Nature, 367:121.
Rogers, S.W. 1998. Exploring dinosaur neuropaleobiology: viewpoint computed tomography scanning and analysis of an Allosaurus fragilis endocast. Neuron, 21:673-679.
Rowe, M.P. 1995. Double Cones as a Basis for Polarization Sensitivity in Vertebrates. Ph.D. Thesis, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
Rowe, M.P., Engheta, N., Easter, S.S. Jr., and Pugh, E.N. Jr. 1994. Graded index model of a fish double cone exhibits differential polarization sensitivity. Journal of the Optical Society of America A, 11:55-70.
Rowe, T. 1988. Definition, diagnosis and origin of Mammalia. Journal of Vertebrate Paleontology, 8:241-264.
Shimizu, T. and Karten, H.J. 1991. Central visual pathways in reptiles and birds: evolution of the visual system, in Cronly-Dillon, J.R. and Gregory, R.L. (eds). Vision and Visual Dysfunction 2. Evolution of the Visual System, CRC Press, Inc. Boca Raton, FL.
Sillman, A.J., Ronan, S.J. and Loew, E.R. 1991. Histology and microspectrophotometry of the photoreceptors of a crocodilian, Alligator mississippiensis, Proceedings of the Royal Society of London Series B, 243:93-98.
Stark, W.S. and Tan, K.E.W.P. 1982. Ultraviolet light: photosensitivity and other effects on the visual system. Photochemistry and Photobiology, 36:371-380.
Stavenga, D.G., Smits, R.P. and Hoenders, B.J. 1993. Simple exponential functions describing the absorbance bands of visual pigment spectra. Vision Research, 33:1011-1017.
Stensiö, A. 1927. The Downtonian and Devonian vertebrates of Spitsbergen, part 1, family Cephalaspidae.
Stevens, K. 1997. Measuring the binocular fields of selected theropod dinosaurs with implications for stereoscopic vision. Journal of Vertebrate Paleontology, 17 SUPPL., 79A.
Suburo, A.M. and Scolaro, J.A. 1990. The eye of the Magellanic Penguin (Sphiniscus magellanicus): structure of the anterior segment. The American Journal of Anatomy, 189:245-252.
Thorpe, A., Douglas, R.H., and Truscott, R.J.W. 1993. Spectral transmission and short-wave absorbing pigments in the fish lens -- I. phylogenetic distribution and identity. Vision Research, 33:289-300.
van der Meer, H.J. 1992. Constructional morphology of photoreceptor patterns in percomorphal fish. Acta Biotheoretica, 40:51-85.
Vorobyev, M. Osorio, D., Bennett, A.T.D., Marshall, N.J. and Cuthill, I.C. 1998. Tetrachromacy, oil droplets and bird plumage colors. Journal of Comparative Physiology A, 183:621-633.
Wagner, H.-J. 1972. Vergleichende Untersuchungen über das Muster der Schzellen un Horizontalen in der Teleostier Retina (Pisces). Z. Morph. Tiere, 72:77-130. (In German)
Wagner, H.-J. 1978. Cell types and connectivity patterns in mosaic retinas. Advances in Anatomy, Embryology and Cell Biology, 55:1-81.
Waldvogel, J.A. 1990. The Bird's Eye View, American Scientist, 78:342-353.
Walls, G.L. 1942. The Vertebrate Eye and Its Adaptive Radiation. The Cranbrook Press, Bloomfield Hills, Michigan.
Wilkie, S.E., Vissers, P.M.A.M., Das, D., DeGrip, W.J., Bowmaker, J.K. and Hunt, D.M. 1998. The molecular basis for UV vision in birds:spectral characteristics, cDNA sequence and retinal localization of the UV-sensitive visual pigment of the budgerigar (Melopsittacus undulatus). Biochemical Journal, 330:541-547.
Witmer, L.M. 1995. The extant phylogenetic bracket and the importance of reconstructing soft tissues in fossils, p. 19-33. In Thomason, J.J. (ed.), Functional Morphology in Vertebrate Paleontology, Cambridge University Press, Cambridge.
Wong, R.O.L. 1989. Morphology and distribution of neurons in the retina of the american garter snake Thamnophis sirtalis, Journal of Comparative Neurology, 283:587-601.
Yokoyama, S., Radlwimmer, F.B., and Kawamura, S. 1998. Regeneration of ultraviolet pigments of vertebrates. FEBS Letters, 423:155-158.
Yokoyama, S. and Yokoyama, R. 1996. Adaptive evolution of photoreceptors and visual pigments in vertebrates. Annual Review of Ecology and Systematics, 27:543-567.