A partial skeleton from the Little Snowy Mountains of central Montana is the first referable specimen of the Morrison Formation macronarian sauropod Camarasaurus. This specimen also represents the northernmost occurrence of a sauropod in the Morrison. Histological study indicates that, although the specimen is relatively small statured, it is skeletally mature; this further emphasizes that size is not a undeviating proxy to maturity in dinosaurs, and that morphologies associated with an individual's age and stature may be more nebulous in sauropods.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5451207 | PMC |
| http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0177423 | PLOS |
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