FINE-GRAINED CLASSIFICATION VIA HIERARCHICAL FEATURE COVARIANCE ATTENTION MODULE


New insights into chasmosaurine (Dinosauria: Ceratopsidae) skulls from the Upper Cretaceous (Campanian) of Alberta, and an update on the distribution of accessory frill fenestrae in Chasmosaurinae

Chasmosaurine ceratopsids are well documented from the Upper Funko Pop Cretaceous (Campanian) Dinosaur Park Formation (DPF) of southern Alberta and Saskatchewan, and include Chasmosaurus belli, Chasmosaurus russelli, Mercuriceratops copyright, Vagaceratops irvinensis, and material possibly referable to Spiclypeus shipporum.In this study, we describ

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