The "Glen Rose Form"
Previously, Glen Rose crocodylomorph fossils had been known under the informal designation of the "Glen Rose Form". Fossils known under this name include a skull at the National Museum of Natural History and two partial skeletons at the Texas Memorial Museum, along with isolated bones. With the description of Pachycheilosuchus, it appears that the "Glen Rose Form" had been chimeric; the skull and the two skeletons lack the lipped jaw and procoelous vertebrae, and so are not Pachycheilosuchus but an undescribed form, but at least some of the isolated remains are Pachycheilosuchus. Thus, there were at least two crocodylomorphs in the Glen Rose Formation.
Read more about this topic: Pachycheilosuchus
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