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Lateral diagram of the skull of Sinocephale bexelli (Bohlin, 1953) with unknown regions (grey) restored after Stegoceras

Cearadactylus atrox holotype (MN 7019-V), A, B, skull in left lateral view; C, skull and lower jaw in right lateral view

Paratype skull of Hamipterus tianshanensis on display at the Paleozoological Museum of China.

Paratype skull of Hamipterus tianshanensis on display at the Paleozoological Museum of China.

Reconstruction of the holotype skull (PIN 3906/2) of the Late Cretaceous sauropod Quaesitosaurus orientalis. Based on Kurzanov & Bannikov 1983,[1] missing elements restored after Nemegtosaurus.[2] Color Key   Preserved   Missing References ↑ (1983). "A new sauropod from the Upper Cretaceous of Mongolia". Paleontological Journal 2: 90−96. ↑ (2005). "Redescription of the mongolian sauropod Nemegtosaurus mongoliensis nowinski (dinosauria: Saurischia) and comments on late cretaceous sauropod diversity". Journal of Systematic Palaeontology 3 (3): 283−318. DOI:10.1017/S1477201905001628.

Australian Mesozoic pterosaurs. A, Aussiedraco molnari (QM F10613; holotype) mandible in dorsal view. Scale = 1 cm. B, Mythunga camara (QM F18896; holotype) partial skull and mandible in left lateral view. Scale = 5 cm. C, Thapunngaka shawi (KK F494; holotype) mandible in left lateral view. Scale = 5 cm. D, Ferrodraco lentoni (AODF 0876; holotype [part]) partial skull and mandible in left lateral view. Scale = 5 cm.

Holotype skull (IVPP V17083) of Guidraco venator on display at the Paleozoological Museum of China.

Figure 1: Reconstruction of the skull of Bellusaurus sui from the Middle-Late Jurassic Shishugou Formation of Xinjiang, China. This reconstruction is a composite based on isolated holotypic and referred material. (A) Right lateral view. (B) Dorsal view. Holotypic elements are indicated in blue and referred elements are in green.

Photograph of the skulls NHMD 164741 and NHMD 164758. (A) NHMD 164741 in left lateral view. (B) NHMD 164758 in left lateral view.

Known skull material of Kuru kulla (gen. et sp. nov. Napoli et al. 2022) - premaxilla, dentary, surangular, lacrimal, and teeth - shown with a speculative restoration of the remainder of the skull based on the related taxon Velociraptor mongoliensis. Known skull material is shown in light grey and labeled; unknown parts of the skull are shown in dark grey.

Photos of caudodorsal part of the skull of Yunganglong datongensis (SXMG V 00001). (A)-Right lateral view. (B)-Dorsal view. (C)-Caudal view. Scale bar = 10 cm.

Illustration of the skull of Abrosaurus with known remains in grey

Yizhousaurus sunae skull and jaw

Holotype skull and mandible of the anhanguerid Ferrodraco (A), holotype skull and mandible of the anhanguerid Mythunga (B), and holotype mandible of the targaryendraconian Aussiedraco (C).

Skull diagram showing the known material of Aardonyx. Based on photographs and measurements in original description and supplementary material. Scale bar = 10 cm

Cuspicephalus scarfi MJMG K1918. A, Original skull on slab of mudstone, Lacking the mandible and dentition; B, outline diagram of preserved bone. Light grey is bone, dark grey is fibrous bone of sagittal crest, black is dental alveoli where unambiguous; C restoration of skull outline, with hypothetical lower jaw. Scale bar = 50 mm. Abbreviation: j, jugal; naof, nasoantorbital fenestra; m, maxilla; o, orbit; pm, premaxilla; q, quadrate; sc, sagittal crest; sq, squamosal; tr np, trace of nasal process.