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Torosaurus latus

Description

Torosaurus ("perforated lizard", in reference to the large openings in its frill) is a genus of herbivorous ceratopsid dinosaur that lived during the late Maastrichtian stage of the Cretaceous period, between 68 and 66 million years ago, though it is possible that the species range might extend to as far as 69 million years ago. Fossils have been discovered across the Western Interior of North America, from Saskatchewan to southern Texas.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4965811https://www.gbif.org/species/4965811
PaleoBioDB ID (PBDB)63773https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=63773
Rankspecies
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Dinosauria : Ceratopsidae : Torosaurus : Torosaurus latus
Taxonomy (PBDB)Life : Animalia : Chordata : Ornithischia : Ceratopsidae : Torosaurus : Torosaurus latus
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-TriploblasticaLankester 1877
-NephrozoaJondelius et al. 2002
-DeuterostomiaGrobben 1908
phylumChordataHaeckel 1847
subphylumVertebrataLamarck 1801
superclassGnathostomataGegenbauer 1874
-Osteichthyes
-SarcopterygiiRomer 1955
subclassDipnotetrapodomorpha
subclassTetrapodomorpha
-Tetrapoda
-ReptiliomorphaSäve-Söderbergh 1934
-AnthracosauriaSäve-Söderbergh 1934
-Batrachosauria
-Cotylosauria
-AmniotaHaeckel 1866
-SauropsidaHuxley 1864
classReptiliaLaurenti 1768
subclassEureptilia
-RomeriidaGauthier et al. 1988
-Diapsida
-Eosuchia
-NeodiapsidaBenton 1985
-SauriaGauthier 1984
-Archosauromorpha
-CrocopodaEzcurra 2016
-ArchosauriformesGauthier 1986
-EucrocopodaEzcurra 2016
-Archosauria
informalAvemetatarsaliaBenton 1999
-OrnithodiraGauthier 1986
-DinosauromorphaBenton 1985
-DinosauriformesNovas 1992
-Dinosauria
-Ornithischia
-Neornithischia
-ClypeodontaNorman 2014
-CerapodaSereno 1986
-MarginocephaliaSereno 1986
-Ceratopsia
infraorderNeoceratopsiaSereno 1986
-CoronosauriaSereno 1986
superfamilyCeratopsoideaHay 1902
familyCeratopsidaeMarsh 1888
subfamilyChasmosaurinaeLambe 1915
-TriceratopsiniLongrich 2011
genusTorosaurusMarsh 1891
speciesTorosaurus latusMarsh 1891
Generic NameTorosaurus
Scientific NameTorosaurus latus Marsh, 1891
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Torosaurus latusspeciesbelongs to Torosaurusstated without evidenceMarsh, 1891
Torosaurus latusspeciesbelongs to Torosaurusstated with evidenceLull, 1933
Torosaurus latusspeciesbelongs to Torosaurusstated without evidenceGray, 1946
Torosaurus latusspeciesbelongs to Torosaurusstated with evidenceTatarinov, 1964
Torosaurus latusspeciesbelongs to Torosaurusstated without evidenceKuhn, 1964
Torosaurus latusspeciesbelongs to Torosaurusstated with evidenceOstrom and Wellnhofer, 1986
Torosaurus latusspeciesbelongs to Torosaurusstated without evidenceTokaryk, 1986
Torosaurus latusspeciesbelongs to Torosaurusstated with evidenceDodson and Currie, 1990
Torosaurus latusspeciesbelongs to Torosaurusstated without evidenceLehman, 1990
Torosaurus latusspeciesbelongs to Torosaurusstated with evidenceDodson et al., 2004
Torosaurus latusspeciesbelongs to Torosaurusstated without evidenceDiem and Archibald, 2005
Torosaurus latusspeciesbelongs to Torosaurusstated with evidenceFarke, 2007
Torosaurus latusspeciesbelongs to Torosaurusstated without evidenceHunt and Lehman, 2008
Torosaurus latusspeciesbelongs to Torosaurusstated with evidenceLongrich and Field, 2012
Torosaurus latusspeciesbelongs to Torosaurusstated without evidenceLongrich, 2013
Status (PBDB)extinct
Taxon Size (PBDB)1
First Recorded Appearance72.1 - 66.0 Ma
Late/Upper Cretaceous
Last Recorded Appearance72.1 - 66.0 Ma
Late/Upper Cretaceous
Environmentterrestrial (based on Ceratopsia)
Motilityactively mobile (based on Ornithischia)
Dietherbivore (based on Ceratopsia)
Reproductionoviparous, dispersal=direct/internal,mobile (based on Ornithischia)
Ontogenyaccretion,modification of parts (based on Ornithischia)
Taphonomyhydroxylapatite,compact or dense (based on Ornithischia)
Primary Reference (PBDB)O. C. Marsh. 1891. Notice of new vertebrate fossils. The American Journal of Science, series 3 42:265-269
Wikipediahttps://en.wikipedia.org/wiki/Torosaurus_latus

Fossil Distribution

Obsolete Names

NameSourceTaxon RankTaxonomy
Torosaurus gladius Marsh, 1891GBIFspeciesAnimalia : Chordata : Reptilia : Dinosauria : Ceratopsidae : Torosaurus : Torosaurus gladius
Torosaurus elatus Marsh, 1891GBIFspeciesAnimalia : Chordata : Reptilia : Dinosauria : Ceratopsidae : Torosaurus : Torosaurus elatus

Synonymy List

YearName and Author
1891Torosaurus gladius Marsh pp. 266-267
1891Torosaurus latus Marsh p. 266
1896Torosaurus latus Marsh p. 214
1896Torosaurus gladius Marsh p. 215 fig. 54
1902Torosaurus gladius Hay p. 499
1902Torosaurus latus Hay p. 499
1902Torosaurus gladius Lambe p. 66
1902Torosaurus latus Lambe p. 66
1905Torosaurus gladius Lambe p. 24
1907Torosaurus gladius Hatcher et al. p. 174
1907Torosaurus latus Hatcher et al. p. 174
1910Torosaurus latus Lull p. 772
1914Torosaurus gladius Lambe p. 131
1914Torosaurus latus Lambe p. 131
1914Torosaurus gladius Lambe p. 152
1915Torosaurus gladius Lambe p. 34
1920Torosaurus gladius Pompeckj p. 114
1920Torosaurus latus Pompeckj p. 116
1925Torosaurus latus Parks p. 5
1927Torosaurus gladius Huene p. 261
1927Torosaurus latus Huene p. 261
1930Torosaurus elatus Arldt p. 702
1930Torosaurus gladius Russell p. 140
1930Torosaurus latus Russell p. 140
1933Torosaurus latus Lull p. 130
1933Torosaurus gladius Lull p. 132
1946Torosaurus gladius Gray p. 797
1946Torosaurus latus Gray p. 797
1947Torosaurus latus Colbert and Bump p. 103
1948Torosaurus latus Anonymous p. 91
YearName and Author
1949Torosaurus gladius Lull and Gray p. 268
1949Torosaurus latus Lull and Gray p. 495
1949Torosaurus gladius Sternberg p. 42 fig. 1
1949Torosaurus latus Sternberg p. 42 fig. 1
1964Torosaurus latus Kuhn p. 59
1964Torosaurus latus Tatarinov p. 585
1964Torosaurus gladius Tatarinov p. 588
1965Torosaurus gladius Ostrom p. 39
1965Torosaurus latus Ostrom p. 39
1970Torosaurus gladius Swinton p. 260
1976Torosaurus latus Lawson p. 163
1981Torosaurus latus Tyson p. 1247
1985Torosaurus latus Breithaupt p. 170
1986Torosaurus gladius Ostrom and Wellnhofer p. 118
1986Torosaurus latus Ostrom and Wellnhofer p. 118
1986Torosaurus latus Tokaryk p. 195
1990Torosaurus latus Dodson and Currie p. 612
1990Torosaurus latus Lehman p. 226
1996Torosaurus latus Lehman p. 494
1997Torosaurus latus Ryan p. 391
1997Torosaurus latus Vickaryous and Ryan p. 491
2004Torosaurus latus Dodson et al. p. 496
2005Torosaurus latus Diem and Archibald p. 251
2005Torosaurus latus Sullivan et al. p. 568
2007Torosaurus latus Farke p. 238
2008Torosaurus latus Hunt and Lehman p. 1129
2011Torosaurus latus Farke p. 1
2012Torosaurus latus Longrich and Field p. 9
2013Torosaurus latus Longrich p. 57
2014Torosaurus latus Longrich p. 303

References

Marsh O. C. Notice of new vertebrate fossils, The American Journal of Science, series 3 42, 265-269
Marsh O. C. The dinosaurs of North America, United States Geological Survey, 16th Annual Report, 1894-95 55, 133-244
Hay O. P. (1902) , Bibliography and Catalogue of the Fossil Vertebrata of North America. Bulletin of the United States Geological Survey 179, 1-868
Lambe L. M. (1902) New genera and species from the Belly River Series (mid-Cretaceous), Geological Survey of Canada Contributions to Canadian Palaeontology 3 2, 25-81
Hatcher J. B., Marsh O. C., et al (1907) The Ceratopsia, Monographs of the United States Geological Survey 49, 1-198
Lambe L. M. (1914) On the fore-limb of a carnivorous dinosaur from the Belly River Formation of Alberta, and a new genus of Ceratopsia from the same horizon, with remarks on the integument of some Cretaceous herbivorous dinosaurs, The Ottawa Naturalist 27 10, 129-135
Lambe L. M. (1914) On Gryposaurus notabilis, a new genus and species of trachodont dinosaur from the Belly River Formation of Alberta, with a description of the skull of Chasmosaurus belli, The Ottawa Naturalist 27 11, 145-155
Lambe L. M. (1915) On Eoceratops canadensis, gen. nov., with remarks on other genera of Cretaceous horned dinosaurs, Canada Geological Survey Museum Bulletin 12, Geological Series 24, 1-49
Parks W. A. (1925) Arrhinoceratops brachyops, a new genus and species of Ceratopsia from the Edmonton Formation of Alberta, University of Toronto Studies, Geology Series 19, 1-15
Huene F. v. (1927) Contribución a la paleogeografía de Sud América [Contribution to the paleogeography of South America], Boletín de la Academia Nacional de Ciencias de la República Argentina 30, 231-294
Lull R. S. (1933) A revision of the Ceratopsia or horned dinosaurs, Memoirs of the Peabody Museum of Natural History 3 3, 1-175
Colbert E. H., Bump J. D. (1947) A skull of Torosaurus from South Dakota and a revision of the genus, Proceedings of the Academy of Natural Sciences of Philadelphia 99, 93-106
Sternberg C. M. (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
Tatarinov L. P. (1964) Nadotryad Dinosauria. Dinozavry [Superorder Dinosauria. Dinosaurs], Osnovy Paleontologii [Fundamentals of Paleontology] 12, 523-589
Ostrom J. H. (1965) Cretaceous vertebrate faunas of Wyoming, Wyoming Geological Association Guidebook 19, 35-41
Swinton W. E. (1970) , The Dinosaurs, Wiley-Interscience, New York, 1-331
Lawson D. A. (1976) Tyrannosaurus and Torosaurus, Maestrichtian dinosaurs from Trans-Pecos, Texas, Journal of Paleontology 50 1, 158-164
Tyson H. (1981) The structure and relationships of the horned dinosaur Arrhinoceratops Parks (Ornithischia: Ceratopsidae), Canadian Journal of Earth Sciences 18 8, 1241-1247
Breithaupt B. H. (1985) Nonmammalian vertebrate faunas from the Late Cretaceous of Wyoming, Wyoming Geological Association 36th Annual Field Conference Guidebook: The Cretaceous Geology of Wyoming, 159-175
Ostrom J. H., Wellnhofer P. (1986) The Munich specimen of Triceratops with a revision of the genus, Zitteliana 14, 111-158
Tokaryk T. T. (1986) Ceratopsian dinosaurs from the Frenchman Formation (Upper Cretaceous) of Saskatchewan, Canadian Field-Naturalist 100 2, 192-196
Dodson P., Currie P. J. (1990) Neoceratopsia, The Dinosauria. University of California Press, Berkeley, 593-618
Lehman T. M. (1996) A horned dinosaur from the El Picacho Formation of West Texas, and review of ceratopsian dinosaurs from the American Southwest, Journal of Paleontology 70 3, 494-508
Dodson P., Forster C. A., et al (2004) Ceratopsidae, In D. B. Weishampel, P. Dodson & H. Osmólska (eds.), The Dinosauria (second edition). University of California Press, Berkeley, 494-513
Diem S., Archibald J. D. (2005) Range extension of southern chasmosaurine ceratopsian dinosaurs into northwestern Colorado, Journal of Paleontology 79 2, 251-258
Hunt R. K., Lehman T. M. (2008) Attributes of the ceratopsian dinosaur Torosaurus, and new material from the Javelina Formation (Maastrichtian) of Texas, Journal of Paleontology 82 6, 1127-1138
Longrich N. R., Field D. J. (2012) Torosaurus is not Triceratops: ontogeny in chasmosaurine ceratopsids as a case study in dinosaur taxonomy, PLoS ONE 7 2, e32623 doi:10.1371/journal.pone.0032623
Longrich N. R. (2013) Judiceratops tigris, a new horned dinosaur from the middle Campanian Judith River Formation of Montana, Bulletin of the Peabody Museum of Natural History 54 1, 51-65 doi:http://dx.doi.org/10.3374/014.054.0103
Longrich N. R. (2014) The horned dinosaurs Pentaceratops and Kosmoceratops from the upper Campanian of Alberta and implications for dinosaur biogeography, Cretaceous Research 51, 292-308 doi:10.1016/j.cretres.2014.06.011
N. R. Longrich, D. J. Field (2012) Torosaurus is not Triceratops: ontogeny in chasmosaurine ceratopsids as a case study in dinosaur taxonomy: PLoS ONE 2: e32623 (10.1371/journal.pone.0032623) - via Catalogue of Life
A. A. Farke (2007) Cranial osteology and phylogenetic relationships of the chasmosaurine ceratopsid Torosaurus latus: Horns and Beaks: Ceratopsian and Ornithopod Dinosaurs: 235--257 - via Catalogue of Life
O. C. Marsh (1891) Notice of new vertebrate fossils: The American Journal of Science, series 3: 265--269 - via Catalogue of Life
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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