Oculudentavis khaungraae

Holotype Hupoge Amber Museum, HPG-15-3, a complete skull preserved in amber (Figures 2K–2T, 3B, 3D, and S 1). After its publication, we were given access to scan data of the holotype but do not have the authority to make it publicly available, although a rendering of this specimen can be accessed here: https:// tinyurl.com/Oculudentavis-A-10420.

Type locality

Cenomanian 98.8 ± 0.6 Ma, 14 Aung Bar mine, Tanai Township (Myitkyina District, Hukawng Valley, Kachin province), northern Myanmar.

Diagnosis

Jugal process of maxilla thatreaches caudally to at least the level of mid-orbit; 1 short squamosal process of the postorbital; large braincase with long, unexpanded basipterygoid processes on the basisphenoid; medial flange of pterygoid diverges posterolaterally along the entire length; interpterygoid vacuity heart shaped; premaxilla much longer than wide; recurved anterior marginal teeth (on premaxilla); and a well-developed flattened surface on the dorsolabial margin of the posterior portion of the dentary.