Pachycephalosaurus (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pachycephalosaurus" in English language version.

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23doi.org

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17harvard.edu

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Marsh, Othniel Charles (August 1, 1892). "Notes on Mesozoic vertebrate fossils". American Journal of Science. s3-44 (260): 171–176. Bibcode:1892AmJS...44..171M. doi:10.2475/ajs.s3-44.260.171. ISSN 0002-9599. S2CID 130167326. Archived from the original on June 28, 2022. Retrieved April 16, 2022.

amnh.org

digitallibrary.amnh.org

Brown, Barnum; Schlaikjer, Erich M. (1943). "A study of the troödont dinosaurs with the description of a new genus and four new species" (PDF). Bulletin of the American Museum of Natural History. 82 (5): 115–150.

archive.org

Colbert, Edwin H. (Edwin Harris); Knight, Charles Robert (1951). The dinosaur book: the ruling reptiles and their relatives. New York: McGraw-Hill. p. 152.
ICZN Opinion 1371, "Pachycephalosaurus Brown & Schlaikjer, 1943 and Troodon wyomingensis Gilmore, 1931 (Reptilia, Dinosauria): Conserved." Bulletin of Zoological Nomenclature, 43 (1): April 1986.
Glut, Donald F. (1997). "Pachycephalosaurus". Dinosaurs: The Encyclopedia. Jefferson, North Carolina: McFarland & Co. pp. 664–668. ISBN 978-0-89950-917-4.
Paul, Gregory S. (2010). The Princeton Field Guide to Dinosaurs. Princeton, NJ: Princeton University Press. p. 244. ISBN 978-0-691-13720-9.
Maryańska, Teresa; Chapman, Ralph E.; Weishampel, David B. (2004). "Pachycephalosauria". In Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (eds.). The Dinosauria (2nd ed.). Berkeley: University of California Press. pp. 464–477. ISBN 978-0-520-24209-8.

cdnsciencepub.com

Evans, David; Brown, Caleb M.; You, Hailu; Campione, Nicolás E. (2021). "Description and revised diagnosis of Asia's first recorded pachycephalosaurid, Sinocephale bexelli gen. nov., from the Upper Cretaceous of Inner Mongolia, China". Canadian Journal of Earth Sciences. 58 (10): 981–992. Bibcode:2021CaJES..58..981E. doi:10.1139/cjes-2020-0190. S2CID 244227050.

dictionary.com

"Definition of pachycephalosaurus | Dictionary.com". www.dictionary.com. Retrieved February 22, 2020.

dinomuseum.ca

"The Real Pachycephalosaurus". Philip J. Currie Dinosaur Museum. February 25, 2020. Retrieved August 18, 2021.

doi.org

Giffin, Emily B.; Gabriel, Diane L.; Johnson, Rolf E. (January 22, 1988). "A New Pachycephalosaurid Hell Creek Formation of Montana". Journal of Vertebrate Paleontology. 7 (4). Taylor & Francis, Ltd.: 398–407. doi:10.1080/02724634.1988.10011672. JSTOR 4523163. Retrieved November 13, 2020.
Horner, J. R.; Goodwin, M. B. (2009). Sereno, Paul (ed.). "Extreme Cranial Ontogeny in the Upper Cretaceous Dinosaur Pachycephalosaurus". PLOS ONE. 4 (10): e7626. Bibcode:2009PLoSO...4.7626H. doi:10.1371/journal.pone.0007626. PMC 2762616. PMID 19859556.
Goodwin, Mark B.; Evans, David C. (2016). "The early expression of squamosal horns and parietal ornamentation confirmed by new end-stage juvenile Pachycephalosaurus fossils from the Upper Cretaceous Hell Creek Formation, Montana". Journal of Vertebrate Paleontology. 36 (2): e1078343. Bibcode:2016JVPal..36E8343G. doi:10.1080/02724634.2016.1078343. ISSN 0272-4634. S2CID 131282984.
Stokstad, Erik (2007). "SOCIETY OF VERTEBRATE PALEONTOLOGY MEETING: Did Horny Young Dinosaurs Cause Illusion of Separate Species?" (PDF). Science. 318 (5854): 1236. doi:10.1126/science.318.5854.1236. PMID 18033861. S2CID 36443204.
Goodwin, Mark B.; Buchholtz, Emily A.; Johnson, Rolf E. (1998). "Cranial anatomy and diagnosis of Stygimoloch spinifer(Ornithischia: Pachycephalosauria) with comments on cranial display structures in agonistic behavior". Journal of Vertebrate Paleontology. 18 (2): 363–375. Bibcode:1998JVPal..18..363G. doi:10.1080/02724634.1998.10011064.
Marsh, Othniel Charles (August 1, 1892). "Notes on Mesozoic vertebrate fossils". American Journal of Science. s3-44 (260): 171–176. Bibcode:1892AmJS...44..171M. doi:10.2475/ajs.s3-44.260.171. ISSN 0002-9599. S2CID 130167326. Archived from the original on June 28, 2022. Retrieved April 16, 2022.
Gilmore, Charles W. (1931). "A new species of troodont dinosaur from the Lance Formation of Wyoming" (PDF). Proceedings of the United States National Museum. 79 (9): 1–6. doi:10.5479/si.00963801.79-2875.1.
Galton, Peter M.; Sues, Hans-Dieter (1983). "New data on pachycephalosaurid dinosaurs (Reptilia: Ornithischia) from North America". Canadian Journal of Earth Sciences. 20 (3): 462–472. Bibcode:1983CaJES..20..462G. doi:10.1139/e83-043.
Evans, D. C.; Vavrek, M. J.; Larsson, H. C. E. (2015). "Pachycephalosaurid (Dinosauria: Ornithischia) cranial remains from the latest Cretaceous (Maastrichtian) Scollard Formation of Alberta, Canada". Palaeobiodiversity and Palaeoenvironments. 95 (4): 579–585. Bibcode:2015PdPe...95..579E. doi:10.1007/s12549-015-0188-x. S2CID 129253322.
Benson, Roger B. J.; Campione, Nicolás E.; Carrano, Matthew T.; Mannion, Philip D.; Sullivan, Corwin; Upchurch, Paul; Evans, David C. (May 6, 2014). "Rates of Dinosaur Body Mass Evolution Indicate 170 Million Years of Sustained Ecological Innovation on the Avian Stem Lineage". PLOS Biology. 12 (5): e1001853. doi:10.1371/journal.pbio.1001853. ISSN 1545-7885. PMC 4011683. PMID 24802911.
Organ, Christopher O.; Adams, Jason (2005). "The histology of ossified tendon in dinosaurs" (PDF). Journal of Vertebrate Paleontology. 25 (3): 602–613. doi:10.1671/0272-4634(2005)025[0602:THOOTI]2.0.CO;2. S2CID 85983799. Archived from the original (PDF) on August 29, 2008. Retrieved June 10, 2008.
Pisani, Davide; Yates, Adam M.; Langer, Max C.; Benton, Michael J. (2002). "A genus-level supertree of the Dinosauria". Proceedings of the Royal Society B. 269 (1494): 915–921. doi:10.1098/rspb.2001.1942. PMC 1690971. PMID 12028774.
Evans, David; Brown, Caleb M.; You, Hailu; Campione, Nicolás E. (2021). "Description and revised diagnosis of Asia's first recorded pachycephalosaurid, Sinocephale bexelli gen. nov., from the Upper Cretaceous of Inner Mongolia, China". Canadian Journal of Earth Sciences. 58 (10): 981–992. Bibcode:2021CaJES..58..981E. doi:10.1139/cjes-2020-0190. S2CID 244227050.
Evans, D. C.; Schott, R. K.; Larson, D. W.; Brown, C. M.; Ryan, M. J. (2013). "The oldest North American pachycephalosaurid and the hidden diversity of small-bodied ornithischian dinosaurs". Nature Communications. 4: 1828. Bibcode:2013NatCo...4.1828E. doi:10.1038/ncomms2749. PMID 23652016.
Woodruff, D. Cary; Schott, Ryan K.; Evans, David C. (November 15, 2023). "Two new species of small-bodied pachycephalosaurine (Dinosauria, Marginocephalia) from the uppermost Cretaceous of North America suggest hidden diversity in well-sampled formations". Papers in Palaeontology. 9 (6). e1535. Bibcode:2023PPal....9E1535W. doi:10.1002/spp2.1535. ISSN 2056-2799.
Longrich, N.R.; Sankey, J.; Tanke, D. (2010). "Texacephale langstoni, a new genus of pachycephalosaurid (Dinosauria: Ornithischia) from the upper Campanian Aguja Formation, southern Texas, USA". Cretaceous Research. 31 (2): 274–284. Bibcode:2010CrRes..31..274L. doi:10.1016/j.cretres.2009.12.002.
Fowler, D.W. (2017). "'Revised geochronology, correlation, and dinosaur stratigraphic ranges of the Santonian-Maastrichtian (Late Cretaceous) formations of the Western Interior of North America". PLOS ONE. 12 (11): 1–20. Bibcode:2017PLoSO..1288426F. doi:10.1371/journal.pone.0188426. PMC 5699823. PMID 29166406.
Goodwin, Mark; Horner, John R. (2004). "Cranial histology of pachycephalosaurs (Ornithischia: Marginocephalia) reveals transitory structures inconsistent with head-butting behavior" (PDF). Paleobiology. 30 (2): 253–267. Bibcode:2004Pbio...30..253G. doi:10.1666/0094-8373(2004)030<0253:CHOPOM>2.0.CO;2. S2CID 84961066.
Peterson, J. E.; Vittore, C. P. (2012). Farke, Andrew A (ed.). "Cranial Pathologies in a Specimen of Pachycephalosaurus". PLOS ONE. 7 (4): e36227. Bibcode:2012PLoSO...736227P. doi:10.1371/journal.pone.0036227. PMC 3340332. PMID 22558394.
Peterson, JE; Dischler, C; Longrich, NR (2013). "Distributions of Cranial Pathologies Provide Evidence for Head-Butting in Dome-Headed Dinosaurs (Pachycephalosauridae)". PLOS ONE. 8 (7): e68620. Bibcode:2013PLoSO...868620P. doi:10.1371/journal.pone.0068620. PMC 3712952. PMID 23874691.
Longrich, NR; Sankey, J; Tanke, D (2010). "Texacephale langstoni, a new genus of pachycephalosaurid (Dinosauria: Ornithischia) from the upper Campanian Aguja Formation, southern Texas, USA". Cretaceous Research. 31 (2): 274–284. Bibcode:2010CrRes..31..274L. doi:10.1016/j.cretres.2009.12.002.
Snively, E; Theodor, JM (2011). "Common Functional Correlates of Head-Strike Behavior in the Pachycephalosaur Stegoceras validum (Ornithischia, Dinosauria) and Combative Artiodactyls". PLOS ONE. 6 (6): e21422. Bibcode:2011PLoSO...621422S. doi:10.1371/journal.pone.0021422. PMC 3125168. PMID 21738658.
Dyer, Aaron D.; LeBlanc, Aaron R.H.; Doschak, Michael R.; Currie, Philip J. (2021). "Taking a crack at the dome: histopathology of a pachycephalosaurid (Dinosauria: Ornithischia) frontoparietal dome". Biosis: Biological Systems. 2 (2): 248–270. doi:10.37819/biosis.002.02.0101.

geoscienceworld.org

rmg.geoscienceworld.org

Carpenter, Kenneth (December 1, 1997). "Agonistic behavior in pachycephalosaurs (Ornithischia: Dinosauria): a new look at head-butting behavior" (pdf). Contributions to Geology. 32 (1): 19–25.

harvard.edu

ui.adsabs.harvard.edu

Horner, J. R.; Goodwin, M. B. (2009). Sereno, Paul (ed.). "Extreme Cranial Ontogeny in the Upper Cretaceous Dinosaur Pachycephalosaurus". PLOS ONE. 4 (10): e7626. Bibcode:2009PLoSO...4.7626H. doi:10.1371/journal.pone.0007626. PMC 2762616. PMID 19859556.
Goodwin, Mark B.; Evans, David C. (2016). "The early expression of squamosal horns and parietal ornamentation confirmed by new end-stage juvenile Pachycephalosaurus fossils from the Upper Cretaceous Hell Creek Formation, Montana". Journal of Vertebrate Paleontology. 36 (2): e1078343. Bibcode:2016JVPal..36E8343G. doi:10.1080/02724634.2016.1078343. ISSN 0272-4634. S2CID 131282984.
Goodwin, Mark B.; Buchholtz, Emily A.; Johnson, Rolf E. (1998). "Cranial anatomy and diagnosis of Stygimoloch spinifer(Ornithischia: Pachycephalosauria) with comments on cranial display structures in agonistic behavior". Journal of Vertebrate Paleontology. 18 (2): 363–375. Bibcode:1998JVPal..18..363G. doi:10.1080/02724634.1998.10011064.
Marsh, Othniel Charles (August 1, 1892). "Notes on Mesozoic vertebrate fossils". American Journal of Science. s3-44 (260): 171–176. Bibcode:1892AmJS...44..171M. doi:10.2475/ajs.s3-44.260.171. ISSN 0002-9599. S2CID 130167326. Archived from the original on June 28, 2022. Retrieved April 16, 2022.
Galton, Peter M.; Sues, Hans-Dieter (1983). "New data on pachycephalosaurid dinosaurs (Reptilia: Ornithischia) from North America". Canadian Journal of Earth Sciences. 20 (3): 462–472. Bibcode:1983CaJES..20..462G. doi:10.1139/e83-043.
Evans, D. C.; Vavrek, M. J.; Larsson, H. C. E. (2015). "Pachycephalosaurid (Dinosauria: Ornithischia) cranial remains from the latest Cretaceous (Maastrichtian) Scollard Formation of Alberta, Canada". Palaeobiodiversity and Palaeoenvironments. 95 (4): 579–585. Bibcode:2015PdPe...95..579E. doi:10.1007/s12549-015-0188-x. S2CID 129253322.
Evans, David; Brown, Caleb M.; You, Hailu; Campione, Nicolás E. (2021). "Description and revised diagnosis of Asia's first recorded pachycephalosaurid, Sinocephale bexelli gen. nov., from the Upper Cretaceous of Inner Mongolia, China". Canadian Journal of Earth Sciences. 58 (10): 981–992. Bibcode:2021CaJES..58..981E. doi:10.1139/cjes-2020-0190. S2CID 244227050.
Evans, D. C.; Schott, R. K.; Larson, D. W.; Brown, C. M.; Ryan, M. J. (2013). "The oldest North American pachycephalosaurid and the hidden diversity of small-bodied ornithischian dinosaurs". Nature Communications. 4: 1828. Bibcode:2013NatCo...4.1828E. doi:10.1038/ncomms2749. PMID 23652016.
Woodruff, D. Cary; Schott, Ryan K.; Evans, David C. (November 15, 2023). "Two new species of small-bodied pachycephalosaurine (Dinosauria, Marginocephalia) from the uppermost Cretaceous of North America suggest hidden diversity in well-sampled formations". Papers in Palaeontology. 9 (6). e1535. Bibcode:2023PPal....9E1535W. doi:10.1002/spp2.1535. ISSN 2056-2799.
Longrich, N.R.; Sankey, J.; Tanke, D. (2010). "Texacephale langstoni, a new genus of pachycephalosaurid (Dinosauria: Ornithischia) from the upper Campanian Aguja Formation, southern Texas, USA". Cretaceous Research. 31 (2): 274–284. Bibcode:2010CrRes..31..274L. doi:10.1016/j.cretres.2009.12.002.
Fowler, D.W. (2017). "'Revised geochronology, correlation, and dinosaur stratigraphic ranges of the Santonian-Maastrichtian (Late Cretaceous) formations of the Western Interior of North America". PLOS ONE. 12 (11): 1–20. Bibcode:2017PLoSO..1288426F. doi:10.1371/journal.pone.0188426. PMC 5699823. PMID 29166406.
Goodwin, Mark; Horner, John R. (2004). "Cranial histology of pachycephalosaurs (Ornithischia: Marginocephalia) reveals transitory structures inconsistent with head-butting behavior" (PDF). Paleobiology. 30 (2): 253–267. Bibcode:2004Pbio...30..253G. doi:10.1666/0094-8373(2004)030<0253:CHOPOM>2.0.CO;2. S2CID 84961066.
Peterson, J. E.; Vittore, C. P. (2012). Farke, Andrew A (ed.). "Cranial Pathologies in a Specimen of Pachycephalosaurus". PLOS ONE. 7 (4): e36227. Bibcode:2012PLoSO...736227P. doi:10.1371/journal.pone.0036227. PMC 3340332. PMID 22558394.
Peterson, JE; Dischler, C; Longrich, NR (2013). "Distributions of Cranial Pathologies Provide Evidence for Head-Butting in Dome-Headed Dinosaurs (Pachycephalosauridae)". PLOS ONE. 8 (7): e68620. Bibcode:2013PLoSO...868620P. doi:10.1371/journal.pone.0068620. PMC 3712952. PMID 23874691.
Longrich, NR; Sankey, J; Tanke, D (2010). "Texacephale langstoni, a new genus of pachycephalosaurid (Dinosauria: Ornithischia) from the upper Campanian Aguja Formation, southern Texas, USA". Cretaceous Research. 31 (2): 274–284. Bibcode:2010CrRes..31..274L. doi:10.1016/j.cretres.2009.12.002.
Snively, E; Theodor, JM (2011). "Common Functional Correlates of Head-Strike Behavior in the Pachycephalosaur Stegoceras validum (Ornithischia, Dinosauria) and Combative Artiodactyls". PLOS ONE. 6 (6): e21422. Bibcode:2011PLoSO...621422S. doi:10.1371/journal.pone.0021422. PMC 3125168. PMID 21738658.

oeb.harvard.edu

Organ, Christopher O.; Adams, Jason (2005). "The histology of ossified tendon in dinosaurs" (PDF). Journal of Vertebrate Paleontology. 25 (3): 602–613. doi:10.1671/0272-4634(2005)025[0602:THOOTI]2.0.CO;2. S2CID 85983799. Archived from the original (PDF) on August 29, 2008. Retrieved June 10, 2008.

incertaesedisblog.wordpress.com

Greenfield, Tyler (December 8, 2020). "Armor for Agathaumas". Incertae Sedis. Retrieved March 20, 2022.

jstor.org

Giffin, Emily B.; Gabriel, Diane L.; Johnson, Rolf E. (January 22, 1988). "A New Pachycephalosaurid Hell Creek Formation of Montana". Journal of Vertebrate Paleontology. 7 (4). Taylor & Francis, Ltd.: 398–407. doi:10.1080/02724634.1988.10011672. JSTOR 4523163. Retrieved November 13, 2020.

nationalgeographic.com

"Vegetarian dinosaur may have actually eaten meat, skull suggests". Science & Innovation. October 24, 2018. Archived from the original on November 8, 2018. Retrieved May 7, 2019.

nih.gov

pubmed.ncbi.nlm.nih.gov

Horner, J. R.; Goodwin, M. B. (2009). Sereno, Paul (ed.). "Extreme Cranial Ontogeny in the Upper Cretaceous Dinosaur Pachycephalosaurus". PLOS ONE. 4 (10): e7626. Bibcode:2009PLoSO...4.7626H. doi:10.1371/journal.pone.0007626. PMC 2762616. PMID 19859556.
Stokstad, Erik (2007). "SOCIETY OF VERTEBRATE PALEONTOLOGY MEETING: Did Horny Young Dinosaurs Cause Illusion of Separate Species?" (PDF). Science. 318 (5854): 1236. doi:10.1126/science.318.5854.1236. PMID 18033861. S2CID 36443204.
Benson, Roger B. J.; Campione, Nicolás E.; Carrano, Matthew T.; Mannion, Philip D.; Sullivan, Corwin; Upchurch, Paul; Evans, David C. (May 6, 2014). "Rates of Dinosaur Body Mass Evolution Indicate 170 Million Years of Sustained Ecological Innovation on the Avian Stem Lineage". PLOS Biology. 12 (5): e1001853. doi:10.1371/journal.pbio.1001853. ISSN 1545-7885. PMC 4011683. PMID 24802911.
Pisani, Davide; Yates, Adam M.; Langer, Max C.; Benton, Michael J. (2002). "A genus-level supertree of the Dinosauria". Proceedings of the Royal Society B. 269 (1494): 915–921. doi:10.1098/rspb.2001.1942. PMC 1690971. PMID 12028774.
Evans, D. C.; Schott, R. K.; Larson, D. W.; Brown, C. M.; Ryan, M. J. (2013). "The oldest North American pachycephalosaurid and the hidden diversity of small-bodied ornithischian dinosaurs". Nature Communications. 4: 1828. Bibcode:2013NatCo...4.1828E. doi:10.1038/ncomms2749. PMID 23652016.
Fowler, D.W. (2017). "'Revised geochronology, correlation, and dinosaur stratigraphic ranges of the Santonian-Maastrichtian (Late Cretaceous) formations of the Western Interior of North America". PLOS ONE. 12 (11): 1–20. Bibcode:2017PLoSO..1288426F. doi:10.1371/journal.pone.0188426. PMC 5699823. PMID 29166406.
Peterson, J. E.; Vittore, C. P. (2012). Farke, Andrew A (ed.). "Cranial Pathologies in a Specimen of Pachycephalosaurus". PLOS ONE. 7 (4): e36227. Bibcode:2012PLoSO...736227P. doi:10.1371/journal.pone.0036227. PMC 3340332. PMID 22558394.
Peterson, JE; Dischler, C; Longrich, NR (2013). "Distributions of Cranial Pathologies Provide Evidence for Head-Butting in Dome-Headed Dinosaurs (Pachycephalosauridae)". PLOS ONE. 8 (7): e68620. Bibcode:2013PLoSO...868620P. doi:10.1371/journal.pone.0068620. PMC 3712952. PMID 23874691.
Snively, E; Theodor, JM (2011). "Common Functional Correlates of Head-Strike Behavior in the Pachycephalosaur Stegoceras validum (Ornithischia, Dinosauria) and Combative Artiodactyls". PLOS ONE. 6 (6): e21422. Bibcode:2011PLoSO...621422S. doi:10.1371/journal.pone.0021422. PMC 3125168. PMID 21738658.

ncbi.nlm.nih.gov

Horner, J. R.; Goodwin, M. B. (2009). Sereno, Paul (ed.). "Extreme Cranial Ontogeny in the Upper Cretaceous Dinosaur Pachycephalosaurus". PLOS ONE. 4 (10): e7626. Bibcode:2009PLoSO...4.7626H. doi:10.1371/journal.pone.0007626. PMC 2762616. PMID 19859556.
Benson, Roger B. J.; Campione, Nicolás E.; Carrano, Matthew T.; Mannion, Philip D.; Sullivan, Corwin; Upchurch, Paul; Evans, David C. (May 6, 2014). "Rates of Dinosaur Body Mass Evolution Indicate 170 Million Years of Sustained Ecological Innovation on the Avian Stem Lineage". PLOS Biology. 12 (5): e1001853. doi:10.1371/journal.pbio.1001853. ISSN 1545-7885. PMC 4011683. PMID 24802911.
Pisani, Davide; Yates, Adam M.; Langer, Max C.; Benton, Michael J. (2002). "A genus-level supertree of the Dinosauria". Proceedings of the Royal Society B. 269 (1494): 915–921. doi:10.1098/rspb.2001.1942. PMC 1690971. PMID 12028774.
Fowler, D.W. (2017). "'Revised geochronology, correlation, and dinosaur stratigraphic ranges of the Santonian-Maastrichtian (Late Cretaceous) formations of the Western Interior of North America". PLOS ONE. 12 (11): 1–20. Bibcode:2017PLoSO..1288426F. doi:10.1371/journal.pone.0188426. PMC 5699823. PMID 29166406.
Peterson, J. E.; Vittore, C. P. (2012). Farke, Andrew A (ed.). "Cranial Pathologies in a Specimen of Pachycephalosaurus". PLOS ONE. 7 (4): e36227. Bibcode:2012PLoSO...736227P. doi:10.1371/journal.pone.0036227. PMC 3340332. PMID 22558394.
Peterson, JE; Dischler, C; Longrich, NR (2013). "Distributions of Cranial Pathologies Provide Evidence for Head-Butting in Dome-Headed Dinosaurs (Pachycephalosauridae)". PLOS ONE. 8 (7): e68620. Bibcode:2013PLoSO...868620P. doi:10.1371/journal.pone.0068620. PMC 3712952. PMID 23874691.
Snively, E; Theodor, JM (2011). "Common Functional Correlates of Head-Strike Behavior in the Pachycephalosaur Stegoceras validum (Ornithischia, Dinosauria) and Combative Artiodactyls". PLOS ONE. 6 (6): e21422. Bibcode:2011PLoSO...621422S. doi:10.1371/journal.pone.0021422. PMC 3125168. PMID 21738658.

pan.pl

palaeontologia.pan.pl

MARYANSKA, TERESA; OSMOLSKA, HALSZKA (1974). "Pachycephalosauria, a new suborder of ornithischian dinosaurs" (PDF). Palaeontologia Polonica. 30: 45–102 – via Google Scholar.

plosone.org

Horner J.R. and Goodwin, M.B. (2009). "Extreme cranial ontogeny in the Upper Cretaceous Dinosaur Pachycephalosaurus." PLoS ONE, 4(10): e7626. Online full text Archived May 1, 2011, at the Wayback Machine
Horner JR, Goodwin MB (2009) Extreme Cranial Ontogeny in the Upper Cretaceous Dinosaur Pachycephalosaurus PLoS ONE 4(10): e7626. Available: http://www.plosone.org/article/inf o%3Adoi%2F10.1371%2Fjournal.pone. 0007626. Retrieved December 4, 2012.

rero.ch

doc.rero.ch

Stokstad, Erik (2007). "SOCIETY OF VERTEBRATE PALEONTOLOGY MEETING: Did Horny Young Dinosaurs Cause Illusion of Separate Species?" (PDF). Science. 318 (5854): 1236. doi:10.1126/science.318.5854.1236. PMID 18033861. S2CID 36443204.
Goodwin, Mark; Horner, John R. (2004). "Cranial histology of pachycephalosaurs (Ornithischia: Marginocephalia) reveals transitory structures inconsistent with head-butting behavior" (PDF). Paleobiology. 30 (2): 253–267. Bibcode:2004Pbio...30..253G. doi:10.1666/0094-8373(2004)030<0253:CHOPOM>2.0.CO;2. S2CID 84961066.

robertmsullivanphd.com

Sullivan, Robert M. (2006). "A taxonomic review of the Pachycephalosauridae (Dinosauria:Ornithischia)" (PDF). Late Cretaceous Vertebrates from the Western Interior. New Mexico Museum of Natural History and Science Bulletin. 35: 347–366. Retrieved November 10, 2010.

sciencemag.org

Erik Stokstad,"SOCIETY OF VERTEBRATE PALEONTOLOGY MEETING: Did Horny Young Dinosaurs Cause Illusion of Separate Species?", Science Vol. 18, November 23, 2007, p. 1236; http://www.sciencemag.org/cgi/content/full/318/5854/1236

semanticscholar.org

api.semanticscholar.org

Goodwin, Mark B.; Evans, David C. (2016). "The early expression of squamosal horns and parietal ornamentation confirmed by new end-stage juvenile Pachycephalosaurus fossils from the Upper Cretaceous Hell Creek Formation, Montana". Journal of Vertebrate Paleontology. 36 (2): e1078343. Bibcode:2016JVPal..36E8343G. doi:10.1080/02724634.2016.1078343. ISSN 0272-4634. S2CID 131282984.
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web.archive.org

Marsh, Othniel Charles (August 1, 1892). "Notes on Mesozoic vertebrate fossils". American Journal of Science. s3-44 (260): 171–176. Bibcode:1892AmJS...44..171M. doi:10.2475/ajs.s3-44.260.171. ISSN 0002-9599. S2CID 130167326. Archived from the original on June 28, 2022. Retrieved April 16, 2022.
Organ, Christopher O.; Adams, Jason (2005). "The histology of ossified tendon in dinosaurs" (PDF). Journal of Vertebrate Paleontology. 25 (3): 602–613. doi:10.1671/0272-4634(2005)025[0602:THOOTI]2.0.CO;2. S2CID 85983799. Archived from the original (PDF) on August 29, 2008. Retrieved June 10, 2008.
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Goodwin, Mark B.; Evans, David C. (2016). "The early expression of squamosal horns and parietal ornamentation confirmed by new end-stage juvenile Pachycephalosaurus fossils from the Upper Cretaceous Hell Creek Formation, Montana". Journal of Vertebrate Paleontology. 36 (2): e1078343. Bibcode:2016JVPal..36E8343G. doi:10.1080/02724634.2016.1078343. ISSN 0272-4634. S2CID 131282984.
Marsh, Othniel Charles (August 1, 1892). "Notes on Mesozoic vertebrate fossils". American Journal of Science. s3-44 (260): 171–176. Bibcode:1892AmJS...44..171M. doi:10.2475/ajs.s3-44.260.171. ISSN 0002-9599. S2CID 130167326. Archived from the original on June 28, 2022. Retrieved April 16, 2022.
Benson, Roger B. J.; Campione, Nicolás E.; Carrano, Matthew T.; Mannion, Philip D.; Sullivan, Corwin; Upchurch, Paul; Evans, David C. (May 6, 2014). "Rates of Dinosaur Body Mass Evolution Indicate 170 Million Years of Sustained Ecological Innovation on the Avian Stem Lineage". PLOS Biology. 12 (5): e1001853. doi:10.1371/journal.pbio.1001853. ISSN 1545-7885. PMC 4011683. PMID 24802911.
Woodruff, D. Cary; Schott, Ryan K.; Evans, David C. (November 15, 2023). "Two new species of small-bodied pachycephalosaurine (Dinosauria, Marginocephalia) from the uppermost Cretaceous of North America suggest hidden diversity in well-sampled formations". Papers in Palaeontology. 9 (6). e1535. Bibcode:2023PPal....9E1535W. doi:10.1002/spp2.1535. ISSN 2056-2799.

x.com

Witton, Mark [@MarkWitton] (July 26, 2018). "Not quite: Pachycephalosaurus and Stygimoloch are both genera, each with their own species (P. wyomingensis and S. spinifer). There's discussion over whether S. spinifer is the same as P. wyomingensis or, at least, should be considered P. spinifer" (Tweet) – via Twitter.
Holtz, Thomas R. Jr. [@TomHoltzPaleo] (July 29, 2020). "Dracorex definitely seems to be a juvenile. But new work is finding that the classic Stygimoloch specimens are from high in the Hell Creek, and classic Pachycephalosaurus are low. So Stygimoloch (or Pachycephalosaurus) spinifer might be the descendant of P. wyomingensis" (Tweet) – via Twitter.
Evans, David [@DavidEvans_ROM] (November 14, 2021). "I think we said in an SVP talk that we'd consider Stygi a species of Pachycephalosaurus - P. spinifer. HSnt been peer reviewed yet, but that's where the data are leaning in my opinion" (Tweet) – via Twitter.

yale.edu

collections.peabody.yale.edu

Gilmore, Charles W. "Pachycephalosaurus wyomingensis; YPM VP 003272; North America; USA; Wyoming; Niobrara County". collections.peabody.yale.edu. Retrieved April 21, 2022.