Have been described foramina on the lateral surface of the jugal bone in any ornithopod or other dinosaur taxa? Thanks in advance!
I think the sauropod Nigersaurus has openings in the jugal, check Sereno et al. 2007, or digimorph should have a 3D animation of the jugal as well
Check the many papers about Hadrosaurs written by Prieto-Márquez. Usually he describe the foramina in hadrosaur maxilla
Thanks Angel, foramina are usual in the maxilla but not in the jugal, the bone in which I am interested
Sorry I mistake!
Do you have a jugal with a foramen?
May be probably a pathological in origin?
There is no evidence on a pathological origin in the specimen under study, in fact there are at least three lateral foramina
are those in a linear arrangement?... they go through the bone or are onli exposed medially/laterally?
Marcos: they are arranged on the lateral surface of jugal (I am talking about some Spanish Barremian material)
you know, jeholosaurus adult specimens show some rugose or nodular surface on the jugal, thats the only thing that I can think of... see Barrett and Han, 2009, cranial anatomy of jeholosaurus shangyuanensis
in this description also compare this nodular ornamentation with several species in ornithischia, maybe if you consider to also make a revision on the mentioned species for comparison, you could also find some species with this opened foramina in the jugal.... or even better... if no species in ornithischia has this foramina, you can consider this feature as an irrefutable autapomorphy of the species!!!!
che jose, neurovascular foramina in the lateral face of the maxilla was always related to the attachment of the muscular cheek in ornithischian dinosaurs (you can see a brief description of this in Sereno 2012, a paper of taxonomy of heterodontosauridae), if those foramina that you observe in the lateral face of the jugal are more or less in a linear arrangement and aligned also with those in the maxilla, you could not only describe an autapomorphy for the species, but also referr it to the attachment of the muscular cheek... and maybe present some hypotheses of the paleobiology of the species.