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Re: Erliansaurus bellamanus
Colin McHenry wrote-
> I just noticed the words 'nutritional foramen'... As most of you probably
> know, these are almost ubiquitous in plesiosaur vertebrae, but I had
> assumed that only plesiosaurs had them. Oops. So pardon my ignorance,
> what dinosaurs / other reptiles had them? And has anyone worked out what
> they did?
Theropods of various types (tyrannosaurids, ornithomimids, troodontids,
etc.) have nutrient foramina in their cervical centra, which sometimes
become pneumatized (Makovicky, 1995). They're seemingly for blood vessels.