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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.

Skull reconstruction of Shanag ashile based on holotype IGM 100/1119, missing elements based on Sinornithosaurus.

Holotype of Transylvanosaurus platycephalus, LPB (FGGUB) R.2070, a partial skull comprising the articulated basicranium and both frontals. Scale bar: 1 cm.

Skull in dorsal (a and b, photograph and drawing respectively), and left lateral (c and d, photograph and drawing respectively) views. (e) Premaxillary tooth; (f,g) maxillary teeth (g inverted). amf, anterior maxillary fossa; aof, antorbital fossa; aso, anterior supraorbital; d, dentary; ef, elliptical fossa; f, foramina; fr, frontal; ift, infratemporal fenestra; j, jugal; mx, maxilla; n, nasals; o, orbit; pd, predentary; pdb, postdentary bones; pmx, premaxilla; po, postorbital; pso: posterior supraorbital; prf, prefrontal; qj, quadratojugal; sq, squamosal; stf, supratemporal fenestra. 1–7 denticles. The drawings were processed using Adobe Photoshop CS2 Serial Number: 1045-1412-5685-1654-6343-1431.

Ziapelta sanjuanensis, gen. et sp. nov., (holotype NMMNH P-64484), complete skull. A, dorsal view; B, ventral view; C, anterior view; D, occipital view; and E, left lateral view. Abbreviations: asca, anterior supraorbital caputegulum; bas, basioccipital; ch, choana; fm, foramen magnum; j, jugal; laca, lacrimal caputegulum; loca, loreal caputegulum; ltf, laterotemporal fenestra; mnca, median nasal caputegulum; nar, external naris; oc, occipital condyle; orb, orbit; pal, palatine; par, parietal; parocc, paroccipital process; pmx, premaxilla; psca, posterior supraorbital caputegulum; pt, pterygoid; q, quadrate; qj, quadratojugal; qjh, quadratojugal horn; snca, supranarial caputegulum; socc, supraoccipital; sqh, squamosal horn; tr, tooth row; v, vomer.

Skull of Augustasaurus hagdorni in the Field Museum of Natural History.

Holotype of the polycotylid[1] plesiosaur Edgarosaurus muddi DRUCKENMILLER, 2002, (MOR 751) comprising the skull, the neck, and the left front flipper, on display in the Museum of the Rockies in Bozeman, Montana. The specimen was collected in Edgar, Carbon County, Montana, from the Shell Creek member of the Thermopolis Shale Formation, Upper Albian, uppermost Lower Cretaceous.[2]

Holotype skull of Plesiopleurodon wellesi CM2815 In left and right lateral, dorsal, and oblique left lateral views.

Reconstructed skull of the dromaeosaurid Adasaurus mongoliensis. The holotype IGM 100/20 preserves a partial right side of the skull and other postcrania including the hindlimbs, it has an estimated length of 2 m (6.6 ft) with a weight of 15 kg (33 lb).[1] Skull mainly based on Turner et al. 2012 and Mickey Mortimer.[2][3] Color Key   Known   Unknown

Skull of MPC-D 100/32-a (Rinchenia mongoliensis).

A color-coded skull diagram of Palatodonta bleekeri, mostly based on a diagram published by Neenan et al. (2013). Some interpretations (such as the presence of a quadratojugal) are based on Maisch (2020). Depicted in left lateral view, mirrored from the original specimen as preserved in right lateral view. Dotted lines indicate missing bone.

Linheraptor skull

Skull of Huanansaurus ganzhouensis (HGM41HIII-0443).

Skull of the plesiosauroid Lusonectes sauvagei gen et sp. nov. (MG33) from the Toarcian of Portugal, in right lateral (A), left lateral (B), dorsal (C), and ventral (D) views. Photographs (A1–D1), explanatory drawings (A2–D2).

A skull reconstruction and cranial bones from Shaochilong maortuensis, a small-bodied mid Cretaceous (Turonian) carcharodontosauri-an theropod from Inner Mongolia, China. A, skull reconstruction (courtesy of Brett Booth); B, right maxilla in lateral view (IVPP V.2885.4); C, braincase and skull roof in dorsal view (IVPP V.2885.1-2). Scale bars equal 5 centimeters.

3D printed skull of Caelestiventus hanseni.