Here is the possible source of that claim https://onlinelibrary.wiley.com/doi/10.1111/pala.12240 https://onlinelibrary.wiley.com/doi/10.1111/pala.12240 It seem

Here is the possible source of that claim https://onlinelibrary.wiley.com/doi/10.1111/pala.12240 https://onlinelibrary.wiley.com/doi/10.1111/pala.12240 It seems it is not a matter of settled science however at least from skimming that paper. Not any kind of palaeontologist but I do like dinosaurs like any sensible person.