THE ORIGIN OF CRANIATES: NEURAL CREST, NEUROGENIC PLACODES, AND HOMEOBOX GENES

REFERENCES

• Baatrup , E. 1981 . Primary sensory cells in the skin of amphioxus (Branchiostoma lanceolatum (P)) . Acta Zool , 62 : 147 – 157 .
   Google Scholar
• Balfour , F. M. 1878 . A Monograph on the Development of the Elasmobranch Fishes 287 London : Macmillan .
   Google Scholar
• Barlow , L. A. and Northcutt , R. G. 1995a . Embryonic origin of amphibian taste buds . Dev. Biol , 169 : 273 – 285 .
   PubMed Web of Science ®Google Scholar
• Barlow , L. A. and Northcutt , R. G. 1995b . Embryonic taste receptors will develop in the absence of neural crest . Chem. Senses , 20 : 662 – 663 .
   Google Scholar
• Barlow , L. A. , Chien , C. B. and Northcutt , R. G. 1996 . Embryonic taste buds develop in the absence of innervation . Development , 122 : 1103 – 1111 .
   Google Scholar
• Bemis , W. E. and Northcutt , R. G. 1992 . Skin and blood vessels of the snout of the Australian lungfish, Neoceratodus forsteri and their significance for interpreting the cosmine of Devonian lungfishes . Acta Zool , 73 : 115 – 139 .
   Web of Science ®Google Scholar
• Bergquist , H. 1957 . Comments on the architype of the vertebrate brain . Kungl. Fysiografiska Sällskapets Förhandlingar , 27 : 153 – 160 .
   Google Scholar
• Bergquist , H. and Källén , B. 1954 . Notes on the early histogenesis and morphogenesis of the central nervous system in vertebrates . J. Comp. Neurol , 100 : 627 – 660 .
   Google Scholar
• Birgbauer , E. , Sechrist , J. , Bronner-Fraser , M. and Fraser , S. 1995 . Rhombomeric origin and rostrocaudal reassortment of neural crest cells revealed by intravital microscopy . Development , 121 : 935 – 945 .
   PubMed Web of Science ®Google Scholar
• Bisgrove , B. W. and Burke , R. D. 1987 . Development of the nervous system of the pluteus larva Strongylocentrotus droehachiensis . Cell Tiss. Res , 248 : 335 – 343 .
   Web of Science ®Google Scholar
• Bodznick , D. and Northcutt , R. G. 1981 . Electroreception in lampreys: evidence that the earliest vertebrates were electroreceptive . Science , 212 : 465 – 467 .
   PubMed Web of Science ®Google Scholar
• Boncelli , E. , Somma , R. , Acampora , D. , Pannese , M. , D'Esposito , M. , Faiella , A. and Simeone , A. 1988 . Organization of human homeobox genes . Hum. Reprod , 3 : 880 – 886 .
   Google Scholar
• Bone , Q. 1961 . The organization of the atrial nervous system of amphioxus (Branchiostoma lanceolatum (Pallas) . Philos. Trans. R. Soc. Lond. B , 243 : 241 – 269 .
   Google Scholar
• Bone , Q. and Best , A. C.G. 1978 . Ciliated sensory cells in amphioxus (Branchiostoma) . J. Mar. Biol. Assoc. U.K , 58 : 479 – 486 .
   Google Scholar
• Braun , C. B. 1994 . A novel cutaneous sensory system in hagfish . Soc. Neurosci. Abstr , 20 : 1416
   Google Scholar
• Braun , C. B. and Northcutt , R. G. 1996 . The lateral line system of hagfishes (Craniata: Myxinoidea). Acta Zool., in press
   Google Scholar
• Brusca , R. C. and Brusca , G. J. 1990 . Invertebrates. Sinauer Associates Inc., Sunderland. Massachusetts 922
   Google Scholar
• Bulfone , A. , Puelles , L , Porteus , M. H. , Frohman , M. A. , Martin , G. R. and Rubenstein , J. L.R. 1993 . Spatially restricted expression of Dlx-1 . Dlx-2 (Tes-1). Gbx-2, and Wnt-3 in the embryonic day 12.5 mouse forebrain defines potential transverse and longitudinal segmental boundaries. J. Neurosci , 13 : 3155 – 3172 .
   Google Scholar
• Bullock , T. H. and Horridge , G. A. 1965 . Structure and Function in the Nervous System of Invertebrates 1719 San Francisco : W.H. Freeman . 2 vols
   Google Scholar
• Burke , R. D. 1983a . Development of the larval nervous system of the sand dollar, Dendraster excentricus . Cell Tiss. Res , 229 : 145 – 154 .
   PubMed Web of Science ®Google Scholar
• Burke , R. D. 1983b . The structure of the larval nervous system of Pisaster ochraceus (Echinodermata: Asteroidea) . J. Morphol , 178 : 23 – 35 .
   PubMed Web of Science ®Google Scholar
• Chia , F. S. and Burke , R. D. 1978 . “ Echinoderm metamorphosis: fate of larval structures. ” . In Settlement and Metamorphosis of Marine Invertebrates Edited by: Chia , F. S. and Rice , M. E. 219 – 234 . New York : Elsevier .
   Google Scholar
• Cole , F. J. 1896 . On the cranial nerves of Chimaera monstrosa (Linn . 1754); with a discussion of the lateral line system, and of the morphology of the chorda tympani. Trans. R. Soc. Edinb , 38 : 631 – 680 .
   Google Scholar
• Collazo , A. , Fraser , S. E. and Mabee , P. M. 1994 . A dual embryonic origin for vertebrate mechan-oreceptors . Science , 264 : 426 – 430 .
   Google Scholar
• Coombs , S. , Görner , P. and Münz , H. , eds. 1989 . The Mechanosensory Lateral Line 724 New York : Springer-Verlag .
   Google Scholar
• Covell , D. A. Jr. and Noden , D. M. 1989 . Embryonic development of the chick primary trigeminal sensory-motor complex . J. Comp. Neurol , 286 : 488 – 503 .
   Google Scholar
• D'Amico-Martel , A. and Noden , D. M. 1983 . Contributions of placodal and neural crest cells to avian cranial peripheral ganglia . Am. J. Anat , 166 : 445 – 468 .
   PubMedGoogle Scholar
• de Beer , G. 1958 . Embryos and Ancestors., , 3rd ed. 197 London : Oxford University Press .
   Google Scholar
• Duboule , D. , ed. 1494 . Guidebook to the Homeobox Genes 284 Oxford : Oxford University Press . A Sambrook & Tooze Publication at
   Google Scholar
• Eagleson , G. W. and Harris , W. A. 1990 . Mapping of the presumptive brain regions in the neural plate of Xenopus laevis . J. Neurobiol , 21 : 427 – 440 .
   Google Scholar
• Eagleson , G. , Ferreira , B. and Harris , W. A. 1995 . Fate of the anterior neural ridge and the morphogenesis of the Xenopus forebrain . J. Neurobiol , 28 : 146 – 158 .
   Google Scholar
• Eisthen , H. L. and Northcutt , R. G. 1996 . Silver lampreys “Ichthyomyzon unicuspis lack a GnRH-and FMRFamide-immunoreactive terminal nerve. J. Comp. Neurol, in press
   Google Scholar
• Eldredge , N. and Gould , S. J. 1972 . “ Punctuated equilibria: an alternative to phyletic gradualism. ” . In Models in Paleobiology. Freeman, Cooper and Co., San Francisco Edited by: Schopf , T. J.M. 82 – 115 .
   Google Scholar
• Frankenberger , Z. 1926 . Über die morphologische Bedeutung der Haftorgane bei den Larven einiger niederer Vertebraten . Zool. Anz , 69 : 171 – 180 .
   Google Scholar
• Frohman , M. A. , Boyle , M. and Martin , G. R. 1990 . Isolation of the mouse Hox-2.9 gene; analysis of embryonic expression suggests that positional information along the anterior-posterior axis is specified by mesoderm . Development , 110 : 589 – 607 .
   PubMedGoogle Scholar
• Gans , C. 1989 . Stages in the origin of vertebrates: analysis by means of scenarios . Biol. Rev , 64 : 221 – 268 .
   PubMed Web of Science ®Google Scholar
• Gans , C. and Northcutt , R. G. 1983 . Neural crest and the origin of vertebrates: a new head . Science , 220 : 268 – 274 .
   PubMed Web of Science ®Google Scholar
• Garcia-Fernàndez , J. and Holland , P. W.H. 1994 . Archetypal organization of the amphioxus Hox gene cluster . Nature , 370 : 563 – 566 .
   PubMed Web of Science ®Google Scholar
• Garstang , W. 1894 . Preliminary note on a new theory of the phylogeny of the Chordata . Zool. Anz , 17 : 122 – 125 .
   Google Scholar
• Garstang , W. 1922 . The theory of recapitulation: a critical re-statement of the biogenetic law . Zool. J. Linn. Soc. London , 35 : 81 – 101 .
   Google Scholar
• Gaunt , S. J. 1991 . Expression patterns of mouse hox genes: clues to an understanding of developmental and evolutionary strategies . BioEssays , 13 : 505 – 513 .
   PubMedGoogle Scholar
• Gaunt , S. J. , Coletta , P. L. , Pravtcheva , D. and Sharpe , P. T. 1990 . Mouse Hox-3.4: homeobox sequence and embryonic expression patterns compared with other members of the Hox gene network . Development , 109 : 329 – 339 .
   PubMedGoogle Scholar
• Gaunt , S. J. , Krumlauf , R. and Duboule , D. 1989 . Mouse homeogenes within a subfamily, Hox- 1.4, -2.6 and -5.1, display similar anteroposterior domains of expression in the embryo, but show stage—and tissue-dependent differences in their regulation . Development , 107 : 131 – 141 .
   PubMedGoogle Scholar
• Gehring , W. J. 1994 . “ A history of the homeobox. ” . In Guidebook to the Homeobox Genes Edited by: Duboule , D. 3 – 10 . Oxford : Oxford University Press . A Sambrook and Tooze Publication at
   Google Scholar
• Gibson , H. O.S. 1910 . The Cephalochordata: “Amphioxides” . Trans. Linn. Soc. Lond. Zool , 13 : 213 – 256 .
   Google Scholar
• Gilbert , S. F. 1994 . Developmental Biology, 4th ed 894 Sunderland , Massachusetts : Sinauer Associates, Inc. .
   Google Scholar
• Gilland , E. H. 1992 . Morphogenesis of Segmental Units in the Chordamesoderm and Neuroepithelium and Squalus acanthias. Ph.D. Thesis, Harvard University 294
   Google Scholar
• Gilland , E. and Baker , R. 1993 . Conservation of neuroepithelial and mesodermal segments in the embryonic vertebrate head . Acta Anat , 148 : 110 – 123 .
   Google Scholar
• Goodrich , E. S. 1918 . On the development of the segments of the head in Scyllium . Q. J. Microsc. Sci , 63 : 1 – 30 .
   Google Scholar
• Goodrich , E. S. 1930 . Studies on the Structure and Development of Vertebrates 837 London : Macmillan . (reprinted 1986, University of Chicago Press, Chicago,)
   Google Scholar
• Gould , S. J. 1977 . Ontogeny and Phylogeny 501 Cambridge : Harvard University Press .
   Google Scholar
• Gould , S. J. 1995 . “ Tempo and mode in the macroevolutionary reconstruction of Darwinism. ” . In Tempo and Mode in Evolution Edited by: Fitch , W. and Ayala , F. J. 125 – 144 . Washington , D. C. : National Academy Press .
   Google Scholar
• Graham , A. , Heyman , I. and Lumsden , A. 1993 . Even-numbered rhombomeres control the apoptotic elimination of neural crest cells from odd-numbered rhombomeres in the chick hindbrain . Development , 119 : 233 – 245 .
   PubMedGoogle Scholar
• Hall , B. K. and Hörstadius , S. 1988 . The Neural Crest 303 Oxford : Oxford University Press .
   Google Scholar
• Hennig , W. 1966 . Phylogenetic Systematics 263 Urbana : University of Illinois Press .
   Google Scholar
• Holland , P. 1992 . Homeobox genes in vertebrate evolution . BioEssays , 14 : 267 – 273 .
   PubMed Web of Science ®Google Scholar
• Holland , P. and Graham , A. 1995 . Evolution of regional identity in the vertebrate nervous system . Perspect. Dev. Neurobiol , 3 : 17 – 27 .
   Google Scholar
• Holland , P. W.H. , Garcia-Fernàndez , J. , Williams , N. A. and Sidow , A. 1994 . Gene duplications and the origins of vertebrate development. Development Suppl.: 125 – 133 .
   Google Scholar
• Holland , P. W. , Holland , L. Z. , Williams , N. A. and Holland , N. D. 1992 . An amphioxus homeobox gene: sequence conservation, spatial expression during development and insights into vertebrate evolution . Development , 116 : 653 – 661 .
   PubMed Web of Science ®Google Scholar
• Holmgren , N. 1942 . General morphology of the lateral sensory line system of the head in fish . K. Sven. Handling , 20 : 1 – 46 .
   Google Scholar
• Holmgren , N. and Pehrson , T. 1949 . Some remarks on the ontogenetical development of the sensory lines on the cheek in fishes and amphibians . Acta Zool , 30 : 249 – 314 .
   Google Scholar
• Hörstadius , S. 1950 . The Neural Crest 111 Oxford : Oxford University Press .
   Google Scholar
• Hörstadius , S. and Sellman , S. 1946 . Experimentelle Untersuchungen über die Determination des knorpeligen Kopfskelettes bei Urodelen . Nova Acta Reg. Soc. Sci. Upsaliensis, Ser. 4 , 13 : 5 – 170 .
   Google Scholar
• Hunt , P. and Krumlauf , R. 1991 . Deciphering the Hox code: clues to patterning branchial regions of the head . Cell , 66 : 1075 – 1078 .
   PubMed Web of Science ®Google Scholar
• Hunt , P. , Wilkinson , D. and Krumlauf , R. 1991 . Patterning the vertebrate head: murine Hox 2 genes mark distinct subpopulations of premigratory and migrating cranial neural crest . Development , 112 : 43 – 50 .
   PubMed Web of Science ®Google Scholar
• Insom , E. , Pucci , A. and Simonetta , A. M. 1995 . Cambrian Protochordala, their origin and significance . Boll. Zool , 62 : 243 – 252 .
   Google Scholar
• Jacobson , A. G. and Meier , S. 1984 . Morphogenesis of the head of a newt: mesodermal segments, neuromeres, and distribution of neural crest . Dev. Biol , 106 : 181 – 193 .
   Google Scholar
• Jacobson , A. G. and Moury , J. D. 1995 . Tissue boundaries and cell behavior during neurulation . Dev. Biol , 171 : 98 – 110 .
   Google Scholar
• Jarvik , E. 1980 . Basic Structure and Evolution of Vertebrates 912 London : Academic Press . 2 vols
   Google Scholar
• Jeffs , P. , Jaques , K. and Osmond , M. 1992 . Cell death in cranial neural crest development . Anat. Embryol , 185 : 583 – 588 .
   Google Scholar
• Johnston , J. B. 1905 . The cranial nerve components of Petromyzon . Gegenbaur's Morph. Jb , 34 : 149 – 203 .
   Google Scholar
• Kemp , A. 1995 . On the neural crest cells of the Australian lungfish . Bull. Mus. Natl. Hist. Nat., Paris , 17 : 343 – 357 .
   Google Scholar
• Keynes , R. J. and Stern , C. D. 1984 . Segmentation in the vertebrate nervous system . Nature , 310 : 786 – 789 .
   PubMed Web of Science ®Google Scholar
• Kluge , A. G. 1988 . “ The characterization of ontogeny. ” . In Ontogeny and Systematics Edited by: Humphries , C. J. 57 – 81 . New York : Columbia University Press .
   Google Scholar
• Knight-Jones , E. W. 1952 . On the nervous system of Saccoglossus cambrensis (Enteropneusta) . Phil. Trans. Roy. Soc. Lond. B , 236 : 315 – 354 .
   Web of Science ®Google Scholar
• Kowalevsky , A. 1877 . Weitere Studien über die Entwicklungsgeschichte des Amphioxus lanceolatus. nebst einem Beitrage zur Homologie des Nervensystems der Würmer und Wirbelthiere . Arch. Mikr. Anat , 13 : 181 – 204 .
   Google Scholar
• Krumlauf , R. , Marshall , H , Studer , M. , Nonchev , S. , Sham , M. H. and Lumsden , A. 1993 . Hox homeobox genes and regionalisation of the nervous system . J. Neurobiol , 24 : 1328 – 1340 .
   Google Scholar
• Kutchin , H. L. 1913 . Studies on the peripheral nervous system of amphioxus . Proc. Am. Acad. Arts Sci , 49 : 571 – 624 .
   Google Scholar
• Lacalli , T. C. 1994 . Apical organs, epithelial domains, and the origin of the chordate central nervous system . Am. Zool , 34 : 533 – 541 .
   Google Scholar
• Lacalli , T. C. and West , J. E. 1986 . Ciliary band formation in the doliolaria larva of Florometra . I. The development of normal epithelial pattern. J. Embryol. Exp. Morphol , 96 : 303 – 323 .
   PubMedGoogle Scholar
• Lacalli , T. C. , Holland , N. D. and West , J. E. 1994 . Landmarks in the anterior central nervous system of amphioxus larvae . Phil. Trans. R. Soc. Lond. B , 344 : 165 – 185 .
   Google Scholar
• Landacre , F. L. 1910 . The origin of the cranial ganglia in Ameiurus . J. Comp. Neurol , 20 : 309 – 413 .
   Google Scholar
• Landacre , F. L. 1916 . The cerebral ganglia and early nerves of Squalus acanthias . J. Comp. Neurol , 27 : 19 – 68 .
   Google Scholar
• Landacre , F. L. 1931 . Data on the relative time of formation of the cerebral ganglia of Amblystoma jeffersonianum . J. Comp. Neurol , 53 : 205 – 224 .
   Google Scholar
• Langille , R. M. and Hall , B. K. 1989 . Developmental processes, developmental sequences and early vertebrate phylogeny . Biol. Rev , 64 : 73 – 91 .
   Google Scholar
• LeDouarin , N. 1982 . The Neural Crest 259 Cambridge : Cambridge University Press .
   Google Scholar
• Lumsden , A. and Keynes , R. 1989 . Segmental patterns of neuronal development in the chick hindbrain . Nature , 337 : 424 – 428 .
   PubMedGoogle Scholar
• Lumsden , A. , Sprawson , N. and Graham , A. 1991 . Segmental origin and migration of neural crest cells in the hindbrain region of the chick embryo . Development , 113 : 1281 – 1291 .
   PubMed Web of Science ®Google Scholar
• Mabee , P. M. 1993 . Phylogenetic interpretation of ontogenetic change: sorting out the actual and artefactual in an empirical case study of centrarchid fishes . Zool. J. Linn. Soc , 107 : 175 – 291 .
   Web of Science ®Google Scholar
• Marshall , H. , Nonchev , S. , Sham , M. H. , Muchamore , I. , Lumsden , A. and Krumlauf , R. 1992 . Retinoic acid alters hindbrain Hox code and induces transformation of rhombomeres 2/3 into a 4/5 identity . Nature , 360 : 737 – 741 .
   PubMed Web of Science ®Google Scholar
• McGinnis , W. and Krumlauf , R. 1992 . Homeobox genes and axial patterning . Cell , 68 : 283 – 302 .
   PubMed Web of Science ®Google Scholar
• Meier , S. 1979 . Development of the chick embryo mesoblast . Formation of the embryonic axis and establishment of the metameric pattern. Dev. Biol , 73 : 25 – 45 .
   Google Scholar
• Meier , S. P. 1982 . The development of segmentation in the cranial region of vertebrate embryos . Scanning Electron Microsc , 3 : 1269 – 1282 .
   Google Scholar
• Meves , A. 1973 . Elektronenmikroskopische Untersuchungen über die Zytoarchitektur des Gehirns von Branchiostoma lanceolatum . Cell Tiss. Res , 139 : 511 – 532 .
   Google Scholar
• Moury , J. D. and Jacobson , A. G. 1989 . Neural fold formation at newly created boundaries between neural plate and epidermis in the axolotl . Dev. Biol , 133 : 44 – 57 .
   Google Scholar
• Nelsen , O. E. 1953 . Comparative Embryology of the Vertebrates. The Blakiston Company, Inc., New York 982
   Google Scholar
• Noden , D. M. 1975 . An analysis of the migratory behavior of avian cephalic neural crest cells . Dev. Biol , 42 : 106 – 130 .
   PubMed Web of Science ®Google Scholar
• Noden , D. M. 1980 . Somatotopic and functional organization of the avian trigeminal ganglion: an HRP analysis in the hatchling chick . J. Comp. Neurol , 190 : 405 – 428 .
   PubMed Web of Science ®Google Scholar
• Noden , D. M. 1983a . The embryonic origins of avian cephalic and cervical muscles and associated connective tissues . Am. J. Anat , 168 : 257 – 276 .
   PubMedGoogle Scholar
• Noden , D. M. 1983b . The role of the neural crest in patterning of avian cranial skeletal, connective, and muscle tissues . Dev. Biol , 96 : 144 – 165 .
   PubMed Web of Science ®Google Scholar
• Noden , D. M. 1993 . Spatial integration among cells forming the cranial peripheral nervous system . J. Neurobiol , 24 : 248 – 261 .
   PubMedGoogle Scholar
• Northcutt , R. G. 1992a . “ The phylogeny of octavolateralis ontogenies: a reaffirmation of Garstang's phylogenetic hypothesis. ” . In The Evolutionary Biology of Hearing Edited by: Webster , D. B. , Fay , R. R. and Popper , A. N. 21 – 47 . New York : Springer-Verlag .
   Google Scholar
• Northcutt , R. G. 1992b . Distribution and innervation of lateral line organs in the axolotl . J. Comp. Neurol , 325 : 95 – 123 .
   PubMed Web of Science ®Google Scholar
• Northcutt , R. G. 1993 . A reassessment of Goodrich's model of cranial nerve phylogeny . Acta Anat , 148 : 71 – 80 .
   Google Scholar
• Northcutt , R. G. and Bemis , W. E. 1993 . “ Cranial nerves of the coelacanth ” . In Latimeria chalumnae [Osteichthyes: Sarcoptergii: Actinistia], and comparisons with other Craniata. Brain, Behav. Evol Vol. 42 , 1 – 76 . (Suppl. 1)
   Google Scholar
• Northcutt , R. G. and Brandle , K. 1995 . Development of branchiomeric and lateral line nerves in the axolotl . J. Comp. Neurol , 355 : 427 – 454 .
   Google Scholar
• Northcutt , R. G. and Gans , C. 1983 . The genesis of neural crest and epidermal placodes: a reinterpretation of vertebrate origins . Q. Rev. Biol , 58 : 1 – 28 .
   PubMed Web of Science ®Google Scholar
• Northcutt , R. G. and Muske , L. 1994 . Multiple embryonic origins of gonadotropin-releasing hormone (GnRH) immunoreactive neurons . Dev. Brain. Res , 78 : 279 – 290 .
   PubMedGoogle Scholar
• Northcutt , R. G. , Brandle , K. and Fritzsch , B. 1995 . Electroreceptors and mechanosensory lateral line organs arise from single placodes in axolotls . Dev. Biol , 168 : 358 – 373 .
   Google Scholar
• Northcutt , R. G. , Catania , K. C. and Criley , B. B. 1994 . Development of lateral line organs in the axolotl . J. Comp. Neurol , 340 : 480 – 514 .
   PubMed Web of Science ®Google Scholar
• O'Rourke , N. A. and Fraser , S. E. 1986 . Dynamic aspects of retinotectal map formation revealed by a vital-dye fiber-tracing technique . Dev. Biol , 114 : 265 – 276 .
   Google Scholar
• Ørvig , L. 1971 . Comments on the lateral line system of some brachythoracid and ptyctodontid arthrodires . Zool. Scripta , 1 : 5 – 35 .
   Web of Science ®Google Scholar
• Osumi-Yamashita , N. , Ninomiya , Y. , Doi , H. and Eto , K. 1994 . The contribution of both forebrain and midbrain crest cells to the mesenchyme in the frontonasal mass of mouse embryos . Dev. Biol , 164 : 409 – 419 .
   PubMed Web of Science ®Google Scholar
• Papan , C. and Campos-Ortega , J. A. 1994 . On the formation of the neural keel and neural tube in the zebrafish Danio (Brachydanio) rerio . Roux's Arch. Dev. Biol , 203 : 178 – 186 .
   Google Scholar
• Piotrowski , T. and Northcutt , R. G. 1996 . The cranial nerves of the Senegal bichir . Polypterus senegalus , 47 : 55 – 102 . [Osteichthyes: Actinopterygii: Cladistia]. Brain. Behav. Evol
   Google Scholar
• Prince , V. and Lumsden , A. 1994 . Hoxa-2 expression in normal and transposed rhombomeres: independent regulation in the neural tube and neural crest . Development , 120 : 911 – 923 .
   PubMed Web of Science ®Google Scholar
• Puelles , L. 1995 . A segmental morphological paradigm for understanding vertebrate forebrains . Brain. Behav. Evol , 46 : 319 – 337 .
   Google Scholar
• Puelles , L. and Rubenstein , J. L.R. 1993 . Expression patterns of homeobox and other putative regulatory genes in the embryonic mouse forebrain suggest a neuromeric organization . Trends Neurosci , 16 : 472 – 479 .
   PubMed Web of Science ®Google Scholar
• Puelles , L. , Amat , J. A. and Martínez-de-la-Torre , M. 1987 . Segment-related, mosaic neurogenetic pattern in the forebrain and mesencephalon of early chick embryos . I. Topography of AChE-positive neuroblasts up to Stage HHI8. J. Comp. Neurol , 266 : 247 – 268 .
   Google Scholar
• Rähr , H. 1982 . Ultrastructure of gill bars of Branchiostoma lanceolatum with special reference to gill skeleton and blood vessels (Cephalochordata) . Zoomorphology , 99 : 167 – 180 .
   Google Scholar
• Rendahl , H. 1924 . Embryologische und morphologische Studien über das Zwischenhirn beim Huhn . Acta Zool , 5 : 241 – 344 .
   Google Scholar
• Ronan , M. and Northcutt , R. G. 1987 . Primary projections of the lateral line nerves in adult lampreys . Brain Behav. Evol , 30 : 62 – 81 .
   Google Scholar
• Rubenstein , J. L.R. and Puelles , L. 1994 . “ Homeobox gene expression during development of the vertebrate brain ” . In Current Topics in Developmental Biology. Vol Edited by: Pederson , R. A. Vol. 29 , 1 – 64 . Academic Press. New York
   Google Scholar
• Ruddle , F. H. , Bentley , K. L. , Murtha , M. T. and Risch , N. 1994 . Gene loss and gain in the evolution of the vertebrates. Development Suppl.: 155 – 161 .
   Google Scholar
• Sadaghiani , B. and Vielkind , J. R. 1990 . Distribution and migration pathways of HNK-1-immunoreactive neural crest cells in teleost fish embryos . Development , 110 : 197 – 209 .
   PubMed Web of Science ®Google Scholar
• Scherson , T. , Serbedzija , G. , Fraser , S. and Bronner-Fraser , M. 1993 . Regulative capacity of the cranial neural tube to form neural crest . Development , 118 : 1049 – 1061 .
   Google Scholar
• Schindewolf , O. H. 1946 . Zur Kritiq des “Biogenetisches Grundgesetzes” . Naturwissenschaften , 33 : 244 – 249 .
   Google Scholar
• Schulte , E. and Riehl , R. 1977 . Elektronenmikroskopischc Untersuchungen an den Oralcirren und der Haut von Branchiostoma lanceolatum . Helgoländer Wiss. Meeresuntersuch , 29 : 337 – 357 .
   Google Scholar
• Schwanzel-Fukuda , M. and Pfaff , D. W. 1989 . Origin of luteinizing hormone-releasing hormone neurons . Nature , 338 : 161 – 164 .
   PubMed Web of Science ®Google Scholar
• Scott , M. 1992 . Vertebrate homeobox gene nomenclature . Cell , 71 : 551 – 553 .
   PubMed Web of Science ®Google Scholar
• Sechrist , J. , Serbedzija , G. N. , Scherson , T. , Fraser , S. E. and Bronner-Fraser , M. 1993 . Segmental migration of the hindbrain neural crest does not arise from its segmental generation . Development , 118 : 691 – 703 .
   PubMed Web of Science ®Google Scholar
• Selleck , M. A.J. and Bronner-Fraser , M. 1995 . Origins of the avian neural crest: the role of neural plate-epidermal interactions . Development , 121 : 525 – 538 .
   PubMed Web of Science ®Google Scholar
• Simpson , G. G. 1944 . Tempo and Mode in Evolution 237 New York : Columbia University Press .
   Google Scholar
• Sive , H. L. and Cheng , P. F. 1991 . Retinoic acid perturbs the expression of Xhox.lab genes and alters mesodermal determination in Xenopus laevis . Genes and Dev , 5 : 1321 – 1332 .
   PubMedGoogle Scholar
• Smith , M. M. and Hall , B. K. 1990 . Development and evolutionary origins of vertebrate skeletogenic and odontogenic tissues . Biol. Rev , 65 : 277 – 373 .
   PubMed Web of Science ®Google Scholar
• Smith , M. , Hickman , A. , Amanze , D. , Lumsden , A. and Thorogood , P. 1994 . Trunk neural crest origin of caudal fin mesenchyme in the zebrafish Brachvdanio rerio . Proc. R. Soc. Lond. B , 256 : 137 – 145 .
   Google Scholar
• Song , J. and Northcutt , R. G. 1991 . Morphology, distribution, and innervation of the lateral-line receptors of the Florida gar, Lepisosteus platyrhincus . Brain, Behav. Evol , 37 : 10 – 37 .
   PubMed Web of Science ®Google Scholar
• Sperry , D. G. and Boord , R. L. 1993 . Organization of the vagus in elasmobranchs: its bearing on a primitive gnathostome condition . Acta Anat , 148 : 150 – 159 .
   Google Scholar
• Stokes , M. D. and Holland , N. D. 1995 . Embryos and larvae of a lancelet, Branchiostoma floridae. from hatching through metamorphosis: growth in the laboratory and external morphology . Acta Zool. (Stockholm) , 76 : 105 – 120 .
   Google Scholar
• Stone , L. S. 1922 . Experiments on the development of the cranial ganglia and the lateral line sense organs in Amblystoma punctatum . J. Exp. Zool , 35 : 421 – 496 .
   Google Scholar
• Tjoa , L. T. and Welsch , U. 1974 . Electron microscopical observations on Kölliker's and Hatschek's pit and on the wheel organ in the head region of amphioxus (Branchiostoma lanceolatum) . Cell Tiss. Res , 153 : 175 – 187 .
   Google Scholar
• Vaage , S. 1969 . The segmentation of the primitive neural tube in chick embryos . Adv. Anat. Embryol. Cell Biol , 41 : 7 – 87 .
   Google Scholar
• von Kuppfer , C. 1895 . “ Studien zur vergleichenden Entwicklungsgechichte des Kopfes der Kranioten. Heft 3. Die Entwicklung der Kopfnerven von ” . In Ammocoetes planeri. J. F. Lehmann. München 1 – 80 .
   Google Scholar
• von Kuppfer , C. 1900 . “ Studien zur vergleichenden Entwicklungsgeschichte des Kopfes der Cranioten. Heft 4: Zur Kopfentwicklung von ” . In Bdellostoma. Verlag F. Lehmann, Leipzig
   Google Scholar
• von Kuppfer , C. 1906 . “ Die Morphogenesis des Centralnervensystems. ” . In Handbuch der vergleichenden und experimentellen Entwickelungslehre der Wirbeltiere. Vol Edited by: Hertwig , O. Vol. 2 , 1 – 272 . Jena : Gustav Fischer . part 3
   Google Scholar
• Webb , J. F. and Noden , D. M. 1993 . Ectodermal placodes: contributions to the development of the vertebrate head . Am. Zool , 33 : 434 – 447 .
   Google Scholar
• Weston , J. A. 1963 . A radioautographic analysis of the migration and localization of trunk neural crest cells in the chick . Dev. Biol , 6 : 279 – 310 .
   PubMed Web of Science ®Google Scholar
• Wicht , H. and Northcutt , R. G. 1995 . Ontogeny of the head of the Pacific hagfish (Eptatretus stouti, Myxinoidea): development of the lateral line system . Philos. Trans. R. Soc. Lond. B , 349 : 119 – 134 .
   PubMed Web of Science ®Google Scholar
• Wiley , E. O. 1981 . Phylogenetics 439 New York : John Wiley & Sons . The Theory and Practice of Phylogenetic Systematics
   Google Scholar
• Willey , A. 1894 . Amphioxus and the Ancestry of the Vertebrates. Macmillan and Co., New York 316
   Google Scholar
• Worthington , J. 1906 . The descriptive anatomy of the brain and cranial nerves of Bdellostoma domheryi . Q. J. Microsc. Sci , 49 : 137 – 181 .
   Google Scholar