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Dear Guys, I have found three coracoid bones in flintstone that are about 0,5 cm length and made the cavities of them by needle. There are two versions about these fossil ID in my opinion- enantiornithine bird or pterosaur (pterosaur is more possible because the lower wider part of bones is not very wide as in almost all birds and the pterosaur, e.g. ornithocheiridae coracoid shape is very similar!). If these are pterosaur coracoid bones they should belong to small species (maybe rhamphorhynchoids), if small bird bones- they should be very primitive, probably early Cretaceous and I do not know any birds with this shape except Enantiophoenix (Enantiophoenix coracoid is even little wider and the bone cavity is very small, not so big as in my specimens). Please help to identify these remains by the coracoid form in pterosaurs, primitive birds or even tiny dinosaurs. Any help will be appreciated! Best Regards Domas