PlatedSharptoothTurningToChomper This article is for a speculative species; a creature that has not been assigned to a taxon by any official media or material. It may not be intended to represent an actual species. However, if a reasonable representation of a real species is found, it will be identified as closely as possible.

Unreasonable or overly speculative articles may be deleted for the sake of parsimony.

Scolosaurus cutleri

Type specimen of S. cutleri at Natural History Museum, London

Scolosaurus is an extinct genus of ankylosaurid dinosaurs within the subfamily Ankylosaurinae. It is known from either the lower levels of the Dinosaur Park Formation or upper levels of the Oldman Formation (the location of the type specimen's quarry is uncertain) in the Late Cretaceous (latest middle Campanian stage, about 76.5 Ma ago) of Alberta, Canada. It contains a single species, Scolosaurus cutleri. It is the oldest known North American anklylosaurid.

For a long time, it was considered synonymous with Euoplocephalus after the later's discovery, but following research eventually found both dinosaurs to be separate genera.

In The Land Before Time

Rooter, a character from The Land Before Time, appears to be based on some depictions of Scolosaurus from the time the film came out, though whether or not he is certainly intended to actually be a Scolosaurus is unknown.
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