Рет қаралды 8,935
Throughout the history of paleontology, there are probably hundreds of fossil specimens that are just absolute shite. They can give you what is tantamount to census data - Oh, ceratosaurs were here, Oh! Triceratops-like horned dinosaurs were there. However, all these very common fossils don’t tell you just how biodiverse any given group of animals were at any given time. This is because of the bias of the fossil record, which destroys most fossils before us bald apes ever get to them. The most atrocious cases of superfluous fossil material of subpar quality are those groups of animals that were extremely common throughout time. If I were to zero in on everyone’s favorite dinosaur topic of conversation, you’d see that this is often the case with herbivorous dinosaurs such as ornithopods and ceratopsians. And of these, the worst offenders are Edmontosaurus and Triceratops - two of the most common dinosaur fossils even when compared to Triassic and Jurassic rock layers.
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Art in Thumbnail belongs to - Timothy Bradley
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✅ RESEARCH ✅
Cobabe EA, Fastovsky DE. Ugrosaurus olsoni, a new ceratopsian (Reptilia: Ornithischia) from the Hell Creek Formation of eastern Montana. Journal of Paleontology. 1987;61(1):148-154. doi:10.1017/S0022336000028298
Forster CA. Taxomomic validity of the ceratopsid dinosaur Ugrosaurus olsoni (Cobabe and Fastovsky). Journal of Paleontology. 1993;67(2):316-318. doi:10.1017/S0022336000032273
Scannella, John B.; Horner, John R.; Claessens, Leon (2011). "Nedoceratops: An Example of a Transitional Morphology". PLOS ONE. 6 (12): e28705. Bibcode:2011PLoSO...628705S. doi:10.1371/journal.pone.0028705. PMC 3241274. PMID 22194891.
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