The specimen has unfused neurocentral sutures in its vertebrae, meaning that the animal was immature at the time of death.
2.
Rauhut et al . ( 1998 ) noted that the remains may represent a juvenile or subadult individual based on the presence of only two fused sacrals and the fact that the neurocentral sutures are still visible in the vertebrae.
3.
Zanno and Mackovicky also wrote that the holotype specimen was already comparable in size to " Saurophaganax " and " Acrocanthosaurus " despite the visible neurocentral sutures showing absence of ossification, suggesting a skeletally immature individual.
4.
UMZC T836 was likely not a neurocentral sutures, but possibly also not fully-grown, as in at least some elements like the fifth vertebra, the notochordal canal is still connected to the neural canal through an hourglass-shaped opening.
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