English: The type specimen for Beesiiwo cooowuse (USNM 494329); occlusal view (top left/center) and axial cross section (bottom left/center) of posterior maxilla, and occlusal view of dentary (top/bottom right). Note that the row of teeth medial to L1 and L2 is not M1, but a fragment of the dentary that remains slotted into the longitudinal groove of the maxilla. (B–D) Occlusal view of three left maxillae from Cottonwood Creek referred to Beesiiwo cooowuse. Note the presence of M1 and absence of any additional medial rows. All scale bars = 1 cm. Illustration CC by Jim Morrison. (There is a spelling mistake, the specimen tag on the left should be USNM 494329)