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#pachycephalosaur
knuppitalism-with-ue · 8 months
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Results from the (partly) pachycephalosaur #paleostream
Avisaurus (with Platytholus), Saurornitholestes (with Stegoceras skull), Tylocephale, Texacephale (Deinosuchus in the background)
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cypressure · 1 month
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couldn’t decide which version of this nesting pachycephalosaur I liked better …
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bookrat · 2 years
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“Dracorex hogwartsia”, a testament to why naming dinos after pop culture might be a bad idea, is fortunately almost certainly a young Stygimoloch or Pachycephalosaurus
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vickysaurus · 10 months
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Pachies! I've been waiting for them to finally show up in Prehistoric Planet!
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And so have the Velociraptors.
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makairodonx · 10 months
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Happy Father’s Day! A juvenile T.rex gives its hungry father a half-eaten Pachycephalosaurus as a special gift for him to est
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fossilprep · 5 months
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Foraminacephale(?) dome
Found by Denver Fowler and Andrew Heckert while prospecting for microsites in the Judith River formation near Havre, MT.
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pixel-dinosaurs-daily · 10 months
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wannanosaurus yansiensis - pachycephalosaur - late creteaceous
this basal pachycephalosaur fellow was found in anhui, china from some very small remains. the little creature probably didn't even reach above your shin! its been argued the parts found are pieced together from material not even of wannanosaurus, but for the sake of Im Believing Wannanosaurus Is Real Tonight we can just believe for a second all the material (apart from its skull) is, in fact, the him :)
higher resolution version under the cut!
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alphynix · 1 year
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It Came From The Wastebasket #10: Struggling With Stegoceras
First described and named in the early 1900s, Stegoceras validum was a dog-sized small pachycephalosaur that lived in Alberta, Canada, during the Late Cretaceous (~77-74 million years ago).
Initially just known from its skull domes, it was one of the first pachycephalosaurs to be discovered and was very poorly understood until more complete remains were found in the 1920s. Then it spent a couple of decades being mixed up with Troodon due to similarities in tooth shape, until the discovery of Pachycephalosaurus led to pachycephalosaurs finally being recognized as a distinct group of ornithischian dinosaurs in the 1940s.
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For much of the 20th century Stegoceras was treated as a wastebasket taxon for any small-to-mid-sized North American (and one Asian) pachycephalosaur, and multiple different species were named based on what were often rather dubious fragmentary fossils. But towards the start of the 21st century this mess did start getting cleaned up, merging some dubious species into the original Stegoceras validum, and moving others to separate genera like Sphaerotholus, Colepiocephale, Hanssuesia, and Sinocephale.
By the early 2000s just the Canadian Stegoceras validum remained – but then in 2011 the new species Stegoceras novomexicanum was named based on specimens from New Mexico, USA. The validity of this second species has been debated, since the fossils are juveniles and might instead belong to Stegoceras validum or another genus like Sphaerotholus, but if it is some sort of Stegoceras then it significantly re-extends the known geographic range of this little pachycephalosaur.
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Nix Illustration | Tumblr | Twitter | Patreon
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a-dinosaur-a-day · 5 months
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Trick or treat!
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Stegoceras!
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kattheerat · 8 months
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Donut! 🍩
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Finished commission for https://toyhou.se/21151754.donut
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Rare irl pieces
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Tiny azhdarchid sunset
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And nanuqsaurus looks at a herbivore, potentially an Alaskacephale w a shaggy tail or any of the indeterminate ornithischians from the prince creek
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Low quality Azhdarchid closeup
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Low quality Aurora borealis closeup
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Dinofact #62
All known pachycepahlosaurs, except for two species, Ferganocephale and Stenopelix lived during the late Cretaceous. Ferganocephale, which can be traced back to the middle Jurassic, lacks some features on its teeth distinctive to all other known pachycephalosaurs, and Stenopelix, traced to the early Cretaceous, is based on a partial skeleton lacking the skull, which some scientists have now reclassified as a ceratopsian. With both outlying species of pachycephalosaurs sometimes considered nomen dubiums, it is possible that all known pachycephalosaurs lived during the late Cretaceous period.
Source: Wikipedia [1], [2], [3]
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rafallerart · 1 year
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I’m still in the process of posting all my art from 2021-22.  This little doodle was drawn for my brother’s birthday last year - he’s studying to become a doctor, and his favorite dinosaur is Pachycephalosaurus.  And thus Dr. Dino was born! 
Ink and colored pencil on Bristol paper, 6 x 3 inches.   
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fossilboy123 · 2 years
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My Stegoceras model 
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vickysaurus · 10 months
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Pretty Pachy.
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akatix · 5 months
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DID IT! Beans updated~
From the top:
Yutyrannus - Talbot
Parasaurolophus - Niobe
Ceratosaurus - Charri
Dilophosaurus - Notch
Tenontosaurus - Leffy <3
Styracosaurus - Penma
Pachycephalosaurs - Siwa
Deinonychus - Nevr
Cryolophosaurus (juvie) - Acer
Velociraptor - Pidge
Sinosauropteryx - Sinno
Preondactylus - Cricket
I want to say I'm done for now....but last time I said that I added a handful more so. Who knows lol
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