Torosaurus is not triceratops: Ontogeny in chasmosaurine ceratopsids as a case study in dinosaur taxonomy

PLoS ONE

Volumn 7, Issue 2, 2012, Pages

  Longrich, Nicholas R ^a   Field, Daniel J ^a  

^a YALE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ADULT ANIMAL; ANIMAL STRUCTURES; ANIMAL TISSUE; ARTICLE; BONE AGE; BONE DEVELOPMENT; BONE GROWTH; BONE MATURATION; BONE STRUCTURE; CHASMOSAURINE CERATOPSID; CODING; COMPARATIVE ANATOMY; CONTROLLED STUDY; DINOSAUR; FENESTRATED FRILL; FOSSIL ANIMAL; GEOGRAPHICAL VARIATION (SPECIES); HORN; JUVENILE ANIMAL; MORPHOLOGY; NONHUMAN; ONTOGENY; ORGANISMS BY AGE; ORGANISMS BY SIZE; SKULL; SOLID FRILL; SPECIES COMPARISON; SPECIES DIFFERENCE; SPECIES HABITAT; SUBADULT; TAXONOMY; TOROSAURUS; TRICERATOPS; ANIMAL; BONE; CLASSIFICATION; CLUSTER ANALYSIS; DNA SEQUENCE; EVOLUTION; FOSSIL; GEOGRAPHY; GROWTH, DEVELOPMENT AND AGING; PATHOLOGY; PHYLOGENY;

CERATOPSIDAE; DINOSAURIA; TRICERATOPS;

ANIMALS; BIOLOGICAL EVOLUTION; BONE AND BONES; CLASSIFICATION; CLUSTER ANALYSIS; DINOSAURS; FOSSILS; GEOGRAPHY; PHYLOGENY; SEQUENCE ANALYSIS, DNA; SKULL;

EID: 84857667102     PISSN: None     EISSN: 19326203     Source Type: Journal    
DOI: 10.1371/journal.pone.0032623     Document Type: Article

References (64)

1. Benton MJ, (2008) How to find a dinosaur, and the role of synonymy in biodiversity studies. Paleobiology 34: 516-533.
2. Benton MJ, (2008) Fossil quality and naming dinosaurs. Biology Letters 4: 729-732.
3. Marsh OC, (1888) A new family of horned dinosaurs from the Cretaceous. American Journal of Science, Series 3 36: 477-478.
4. Marsh OC, (1889) Notice of gigantic horned Dinosauria from the Cretaceous. American Journal of Science 38: 173-175.
5. Marsh OC, (1891) The gigantic Ceratopsidae, or horned Dinosaurs, of North America. American Journal of Science 41: 167-178.
6. Marsh OC, (1891) Notice of new vertebrate fossils. American Journal of Science, Series 3 42: 265-269.
7. Marsh OC, (1892) Notice of new reptiles from the Laramie Formation. American Journal of Science, Series 3 43: 449-453.
8. Weishampel DB, Barrett PM, Coria RA, Le Loeuff J, Xu X, et al. (2004) Dinosaur Distribution. In: Weishampel DB, Dodson P, Osmolska H, editors. The Dinosauria. Second ed Berkeley University of California Press pp. 517-606.
9. Cope ED, (1872) On the existence of Dinosauria in the transition beds of Wyoming. Proceedings of the American Philosophical Society pp. 481-483.
10. Marsh OC, (1877) Notice of new fossil mammals. American Journal of Science, Series 3: 323-331.
11. Marsh OC, (1890) New Cretaceous dinosaurs. American Journal of Science 39: 422-426.
12. Marsh OC, (1898) New species of Ceratopsia. American Journal of Science, Series 3 4: 6-92.
13. Lull RS, (1905) Restoration of the Horned Dinosaur Diceratops. American Journal of Science 20: 420-422.
14. Hatcher JB, (1905) Two new Ceratopsia from the Laramie of Converse County, Wyoming. American Journal of Science, Series 4 20: 413-422.
15. Brown B, (1933) A gigantic ceratopsian dinosaur, Triceratops maximus, new species. American Museum Novitates 649: 1-9.
16. Schlaikjer EM, (1935) Contributions to the stratigraphy and paleontology of the Goshen Hole area, Wyoming II. The Torington member of the Lance Formation and a study of a new Triceratops. Bulletin of the Museum of Comparative Zoology, Harvard 76: 31-68.
17. Gilmore CW, (1946) Reptilian fauna of the North Horn Formation of central Utah. United States Geological Survey Professional Paper pp. 1-19.
18. Sternberg CM, (1949) The Edmonton fauna and description of a new Triceratops from the Upper Edmonton Member: phylogeny of the Ceratopsidae. National Museum of Canada Bulletin 113: 33-46.
19. Cobabe E, Fastovsky DE, (1987) Ugrosaurus olsoni, a new ceratopsian (Reptilia: Ornithischia) from the Hell Creek Formation of eastern Montana. Journal of Paleontology 61: 148-154.
20. Sullivan RM, Lucas SG, (2010) A new chasmosaurine (Ceratopsidae, Dinosauria) from the Upper Cretaceous Ojo Alamo Formation (Naashoibito Member), San Juan Basin, New Mexico. In: Ryan MJ, Chinnery BJ, Eberth DA, editors. New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium Bloomington Indiana University Press pp. 169-180.
21. Lawson DA, (1976) Tyrannosaurus and Torosaurus, Maestrichtian dinosaurs from Trans-Pecos, Texas. Journal of Paleontology 50: 158-164.
22. Ott CJ, Larson PL, (2010) A new, small ceratopsian dinosaur from the latest Cretaceous Hell Creek Formation, northwest South Dakota, United States: a preliminary description. In: Ryan MJ, Chinnery BJ, Eberth DA, editors. New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium Bloomington Indiana University Press pp. 203-218.
23. Dodson P, Forster C, Sampson SD, (2004) Ceratopsia. In: Weishampel DB, Dodson P, Osmolska H, editors. The Dinosauria. Second ed Berkeley University of California Press pp. 494-513.
24. Dodson P, (1996) The Horned Dinosaurs Princeton Princeton University Press.
25. Forster CA, (1996) Species resolution in Triceratops: cladistic and morphometric approaches. Journal of Vertebrate Paleontology 16: 259-270.
26. Longrich NR, (2011) Titanoceratops ouranos, a giant horned dinosaur from the Late Campanian of New Mexico. Cretaceous Research 32: 264-276.
27. Ostrom JH, Wellnhofer P, (1990) Triceratops: an example of flawed systematics. In: Currie PJ, Carpenter K, editors. Dinosaur Systematics: Perspectives and Approaches Cambridge Cambridge University Press pp. 245-254.
28. Ostrom JH, Wellnhofer P, (1986) The Munich specimen of Triceratops with a revision of the genus. Zitteliana 14: 111-158.
29. Farke AA, (2006) Cranial osteology and phylogenetic relationships of the chamosaurine ceratopsid, Torosaurus latus. In: Carpenter K, editors. Horns and Beaks: Ceratopsian and Ornithopod Dinosaurs Bloomington Indiana University Press pp. 235-257.
30. Sampson SD, Loewen MA, Farke AA, Roberts EM, Forster CA, et al. (2010) New horned dinosaurs from Utah provide evidence for intracontinental dinosaur endemism. PLoS ONE 5: e12292.
31. Scannella J, Horner JR, (2010) Torosaurus Marsh, 1891 is Triceratops, Marsh, 1889 (Ceratopsidae: Chasmosaurinae) synonymy through ontogeny. Journal of Vertebrate Paleontology 30: 1157-1168.
32. Brown B, Schlaikjer EM, (1940) The structure and relationships of Protoceratops. Annals of the New York Academy of Sciences 40: 133-266.
33. Sampson SD, Ryan MJ, Tanke DH, (1997) Craniofacial ontogeny in centrosaurine dinosaurs (Ornithischia: Ceratopsidae): taxonomic and behavioral implications. Zooogical Journal of the Linnean Society pp. 293-337.
34. Horner JR, Goodwin MB, (2006) Major cranial changes during Triceratops ontogeny. Proceedings of the Royal Society B 273: 2757-2761.
35. Horner JR, Goodwin MB, (2008) Ontogeny of cranial epi-ossifications in Triceratops. Journal of Vertebrate Paleontology 28: 134-144.
36. Schott RK, Evans DC, Goodwin MB, Horner JR, Brown CM, et al. (2011) Cranial Ontogeny in Stegoceras validum (Dinosauria: Pachycephalosauria): A Quantitative Model of Pachycephalosaur Dome Growth and Variation. PLoS ONE 6: e21092.
37. Carr TD, Williamson TE, (2004) Diversity of late Maastrichtian Tyrannosauridae (Dinosauria: Theropoda) from western North America. Zoological Journal of the Linnean Society 142: 479-523.
38. Horner JR, Goodwin MB, (2009) Extreme cranial ontogeny in the Upper Cretaceous dinosaur Pachycephalosaurus. PLoS ONE 4: 27626.
39. Dodson P, Forster CA, Sampson SD, (2004) Ceratopsidae. In: Weishampel DB, Dodson P, Osmolska H, editors. The Dinosauria. Second ed Berkeley University of California Press pp. 494-513.
40. Scannella J, (2009) And then there was one: synonymy consequences of Triceratops cranial ontogeny. Journal of Vertebrate Paleontology 29: 177A.
41. Scannella JB, Horner JR, (2011) 'Nedoceratops': an example of a transitional morphology. PLoS ONE 6: e28705 doi:28710.21371/journal.pone.0028705.
42. Horner JR, Lamm E-T, (2011) Ontogeny of the parietal frill of Triceratops: a preliminary histological analysis. Comptes Rendus de l'Academie des Sciences Paris sér D 10: 439-452.
43. Farke AA, (2011) Anatomy and taxonomic status of the chasmosaurine ceratopsid Nedoceratops hatcheri from the Upper Cretaceous Lance Formation of Wyoming, U.S.A. PLoS ONE 6: e16196.
44. Carpenter K, Young DB, (2002) Late Cretaceous dinosaurs from the Denver Basin, Colorado. Rocky Mountain Geology 37: 237-254.
45. Erickson GM, Makovicky PJ, Currie PJ, Norell MA, Yerby SA, et al. (2004) Gigantism and comparative life-history parameters of tyrannosaurid dinosaurs. Nature 430: 772-775.
46. Horner JR, de Ricqles A, Padian K, (2000) Long bone histology of the hadrosaurid dinosaur Maiasaurua peeblesorum: growth dynamics and physiology based on an ontogenetic series of skeletal elements. Journal of Vertebrate Paleontology 20: 115-129.
47. Sander PM, Mateus O, Laven T, Knötschke N, (2006) Bone histology indicates insular dwarfism in a new Late Jurassic sauropod dinosaur. Nature 441: 739-741.
48. Erickson GM, Tumanova TA, (2000) Growth curve of Psittacosaurus mongoliensis Osborn (Ceratopsia: Psittacosauridae) inferred from long bone histology. Zoological Journal of the Linnean Society 130: 551-566.
49. Sander PM, Klein N, (2005) Developmental plasticity in the life history of a prosauropod dinosaur. Science 310: 1800-1802.
50. Tumarkin-Deratzian AR, Vann DR, Dodson P, (2006) Bone surface texture as an ontogenetic indicator in long bones of the Canada goose Branta canadensis (Anseriformes: Anatidae). Zoological Journal of the Linnean Society 148: 133-168.
51. Brown CM, Russell AP, Ryan MJ, (2009) Pattern and transition of surficial bone texture of the centrosaurine frill and their ontogenetic and taxonomic implications.
52. Fujiwara S-i, Takakuwa Y, (2011) A sub-adult growth stage indicated in the degree of suture co-ossification in Triceratops. Bulletin of the Gunma Museum of Natural History 15: 1-17.
53. Herring SW, (1974) A biometric study of suture fusion and skull growth in peccaries. Anatomy and Embryology 146: 167-180.
54. Wang Q, Strait DS, Dechow PC, (2006) Fusion patterns of craniofacial sutures in rhesus monkey skulls of known age and sex from Cayo Santiago. American Journal of Physical Anthropology 131: 469-486.
55. Sanchez-Villagra MR, (2010) Suture closure as a paradigm to study late growth in recent and fossil mammals: a case study with giant deer and dwarf deer skulls. Journal of Vertebrate Paleontology 30: 1895-1898.
56. Maisano JA, (2002) Terminal fusions of skeletal elements as indicators of maturity. Journal of Vertebrate Paleontology 22: 268-275.
57. Brusatte SL, Carr TD, Erickson GM, Bever GS, Norell M, (2009) A long-snouted, multihorned tyrannosaurid from the Late Cretaceous of Mongolia. Proceedings of the National Academy of Sciences 106: 17251-17266.
58. Brochu CA, (1996) Closure of neurocentral sutures during crocodylian ontogeny: implication for maturity assessment in fossil archosaurs. Journal of Vertebrate Paleontology 16: 49-62.
59. Swofford DL, (2002) Paup*. Phylogenetic Analysis Using Parsimony (*and other methods). 4.0b10 ed Sunderland, Massachusetts Sinauer Associates.
60. Lanyon LE, Goodship AE, Pye CJ, MacFie JH, (1982) Mechanically adaptive bone remodelling. Journal of Biomechanics 15: 141-154.
61. O'Connor JA, Lanyon LE, (1982) Influence of strain rate on adaptive bone remodelling. Journal of Biomechanics 15: 767-781.
62. Skedros JG, Mason MW, Bloebaum RD, (1996) Evidence of structural and material adaptation to specific strain features in cortical bone. The Anatomical Record 246: 47-63.
63. Dodson P, (1975) Taxonomic implications of relative growth in lambeosaurine dinosaurs. Systematic Zoology 24: 37-54.
64. Longrich NR, Sankey JT, Tanke DH, (2010) Texacephale langstoni, a new genus of pachycephalosaurid (Dinosauria: Ornithischia) from the upper Campanian Aguja Formation, southern Texas, USA. Cretaceous Research 31: 274-284.