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346:). It was a pachycephalosaur, and like other pachycephalosaurids the skull roof formed a thick dome made of dense bone, which may have been used in head-butting contests over mates or territory. It lived in what is now
409:, thus decreasing the diversity of Dinosaur Park pachcephalosaurids to only two valid taxa. This conclusion was reached because new morphological data recovered from synchrotron scanning of the skull revealed
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Wall, W. P. & Galton, P. M. (1979). "Notes on pachycephalosaurid dinosaurs (Reptilia: Ornithischia) from North
America, with comments on their status as ornithopods".
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There is some debate amongst paleontologists as to whether the animal represents a distinct genus, or if it is synonymous with
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467:"Problematic putative pachycephalosaurids: Synchrotron µCT imaging shines new light on the anatomy and taxonomic validity of
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393:. It is unclear whether all of these species would have lived in the area at the same time. A 2023 publication by Dyer
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was initially described as one of several pachycephalosaurids known from
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from the Belly River Group (Campanian) of
Alberta, Canada"
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350:, Canada, and was described in 1979 by W. P. Wall and
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522:(2004). "Pachycephalosauria". In D. B. Weishampel,
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442:Timeline of pachycephalosaur research
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413:to be virtually identical to mature
1123:. You can help Knowledge (XXG) by
510:Canadian Journal of Earth Sciences
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461:Dyer, Aaron D.; Powers, Mark J.;
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1170:Fossil taxa described in 1979
320:(meaning 'heavy dome') was a
563:on the Dinosaur Mailing List
548:at the Paleobiology Database
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1180:Taxa named by Peter Galton
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16:Extinct genus of dinosaurs
1175:Pachycephalosaurs of Asia
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1185:Paleontology in Alberta
308:Wall & Galton, 1979
518:, Chapman, R. E., and
405:to be synonymous with
390:Foraminacephale brevis
1082:Paleobiology Database
384:Hanssuesia sternbergi
29:Temporal range: Late
1195:Ornithischian genera
862:Pachycephalosaurinae
810:Pachycephalosauridae
469:Gravitholus albertae
360:Gravitholus albertae
302:Gravitholus albertae
242:Pachycephalosauridae
1200:Ornithischian stubs
125:Skull TMP 72.27.01
913:Pachycephalosaurus
778:Pachycephalosauria
757:Pachycephalosauria
727:Pachycephalosauria
606:Pachycephalosauria
568:2016-03-03 at the
553:2012-02-06 at the
488:10.18435/vamp29388
378:Stegoceras validum
326:pachycephalosaurid
229:Pachycephalosauria
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344:million years ago
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934:Sinocephale
920:Platytholus
899:Goyocephale
885:Amtocephale
851:Texacephale
830:Gravitholus
561:Gravitholus
546:Gravitholus
528:H. Osmólska
415:Stegoceras.
411:Gravitholus
399:Gravitholus
373:Gravitholus
317:Gravitholus
261:Wall &
256:Gravitholus
25:Gravitholus
1164:Categories
982:See also:
871:Acrotholus
844:Stegoceras
837:Hanssuesia
736:see below↓
639:Dinosauria
448:References
407:Stegoceras
403:Hanssuesia
368:Stegoceras
333:Cretaceous
181:Dinosauria
622:Kingdom:
524:P. Dodson
497:2292-1389
337:Campanian
274:Species:
154:Kingdom:
148:Eukaryota
31:Campanian
1028:Wikidata
994:Category
984:Timeline
630:Chordata
628:Phylum:
624:Animalia
566:Archived
551:Archived
530:(eds.),
465:(2023).
420:See also
397:. found
335:period (
329:dinosaur
235:Family:
168:Chordata
164:Phylum:
158:Animalia
144:Domain:
36:75
1074:4128762
1061:1034182
1048:4823084
1034:Q134642
348:Alberta
299:†
278:†
248:Genus:
105:↓
526:&
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354:. The
263:Galton
1087:38784
1056:IRMNG
653:Clade
644:Clade
635:Clade
395:et al
340:stage
322:genus
220:Clade
204:Clade
188:Clade
175:Clade
1121:stub
1043:GBIF
713:see
686:see
493:ISSN
401:and
387:and
267:1979
44:PreꞒ
483:doi
358:is
324:of
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79:T
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69:C
64:D
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54:O
49:Ꞓ
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