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Figure 8 in A description of Megalosaurus bucklandii (Dinosauria: Theropoda) from the Bathonian of the UK and the relationships of Middle Jurassic theropods

Figure 8. Proximal caudal vertebrae of Megalosaurus bucklandii from the Chipping Norton Limestone Formation of New Park Quarry, Gloucestershire (A–I) and the Taynton Limestone Formation of Stonesfield, Oxfordshire (J–L) in left lateral (A, B, J), anterior (C, K), right lateral (D, H, I), posterior (E), ventral (F) and dorsal (G, L) views. A–G, BMNH R9672; H, I, BMNH R9677; J–L, OUMNH J.13579. In line drawings (B, I), dark grey tone indicates broken bone surface and cross-hatching indicates matrix. for, foramen; ns, neural spine; poz, postzygapophysis; trp, transverse process. Scale bar, 100 mm.

Figure 5 in A description of Megalosaurus bucklandii (Dinosauria: Theropoda) from the Bathonian of the UK and the relationships of Middle Jurassic theropods

Figure 5. Posterior fragment of a right mandible (OUMNH J.29813) from the Taynton Limestone Formation of Stonesfield, Oxfordshire in lateral (A, B), dorsal (C, F) and medial (D, E) views. Dark grey tone indicates broken bone surface in line drawings (B, E, F). ANG, angular; AR, articular; for, foramen; PRA, prearticular; SA, surangular. Scale bar, 100 mm.

Figure 6 in A description of Megalosaurus bucklandii (Dinosauria: Theropoda) from the Bathonian of the UK and the relationships of Middle Jurassic theropods

Figure 6. Presacral vertebrae of Megalosaurus from the Chipping Norton Limestone Formation of New Park Quarry, Gloucestershire (A–J) and the Taynton Limestone Formation of Stonesfield, Oxfordshire (K–R) in right lateral (A, B, G, H, P), anterior (C, F, N, O), posterior (D, E, Q, R), ventral (I, J, M) and left lateral (K, L) views. A–E, anterior cervical vertebra, BMNH R9674; F–J, 'pectoral' vertebra (sensu Welles, 1984), BMNH R9678; K–R, posterior dorsal vertebra, OUMNH J.13577. In line drawings (B, E, H, J, L, O, R), light grey tone indicates restored bone surface, dark grey tone indicates broken bone surface and crossed hatching indicates matrix. cam, camera; epi, epipophysis; for, foramen; hys, hyposphene; nec, neural canal; ns, neural spine; pcdl, posterior centrodiapophyseal lamina; poz, postzygapophysis; prez, prezygapophysis; trp, transverse process; Scale bar, 100 mm.

Figure 7 in A description of Megalosaurus bucklandii (Dinosauria: Theropoda) from the Bathonian of the UK and the relationships of Middle Jurassic theropods

Figure 7. Sacra of Megalosaurus bucklandii from the Taynton Limestone Formation of Stonesfield, Oxfordshire (A–N) and the Chipping Norton Limestone Formation of New Park Quarry (O–Q) in left lateral (A, B, K–M, O), posterior (C, D), right lateral (E, F, P), anterior (G, H) and ventral (I, J, N, Q) views. A–I, OUMNH J.13576; J–L, BMNH 28957/R1098; M, N, BMNH R700; O–Q, SDM 1944.4. In line drawings (B, D, F, H, L), light grey tone indicates restored surface and dark grey tone indicates broken bone surface. fen, fenestra between neural arches; for, foramen; ivf, intervertebral foramen; nc, neural canal; ns, neural spine; poz, postzygapophysis; prez, prezygapophysis; sr1–5, first to fifth sacral rib articulations; trp, transverse process; 1–5, first to fifth sacral centra. Scale bar, 200 mm.

Figure 4 in A description of Megalosaurus bucklandii (Dinosauria: Theropoda) from the Bathonian of the UK and the relationships of Middle Jurassic theropods

Figure 4. Left dentaries of Megalosaurus bucklandii from the Chipping Norton Limestone Formation of an unknown locality in Gloucestershire (probably New Park Quarry) in medial (A, D), lateral (B, E) and dorsal (C) views. A–C, BMNH 8305; D, E, BMNH R8304. idp, interdental plate; meg, Meckelian groove; 2nd, tooth in second alveolus. Scale bar, 100 mm.

Figure 3 in A description of Megalosaurus bucklandii (Dinosauria: Theropoda) from the Bathonian of the UK and the relationships of Middle Jurassic theropods

Figure 3. Right jugal (BMNH 31828) from the Taynton Limestone Formation of Stonesfield, Oxfordshire in lateral view: A, photograph; B, line drawing. Dark grey tone indicates broken bone surface and cross-hatching indicates matrix in the line drawing. for, foramen; juf, jugal foramen. Scale bar, 100 mm.

Figure 19 in A description of Megalosaurus bucklandii (Dinosauria: Theropoda) from the Bathonian of the UK and the relationships of Middle Jurassic theropods

Figure 19. Theropod bones showing features discussed in the text. A, BYU 5110, right quadrate of Torvosaurus in medial view; B, MNHN 8787, 'pectoral' vertebrae (sensu Welles, 1984) of Streptospondylus in ventral view; C, D, MUCPv 341, cervical vertebra of Megaraptor in left lateral (C) and right lateral (D) views. dep, depression; for, foramen; hpp, hypapophysis; pcd, pleurocentral depression; plc, pleurocoel. Scale bars: 100 mm (A) and 50 mm (B–D).

Figure 1 in A description of Megalosaurus bucklandii (Dinosauria: Theropoda) from the Bathonian of the UK and the relationships of Middle Jurassic theropods

Figure 1. Silhouette of Megalosaurus bucklandii containing skeletal reconstruction. Known material is illustrated in white; grey tone indicates reconstructed areas. Scale bar, 1 m.

Figure 6 in The skull of Monolophosaurus jiangi (Dinosauria: Theropoda) and its implications for early theropod phylogeny and evolution

Figure 6. Braincase of Monolophosaurus jiangi in right lateral view (looking within the lateral temporal fenestra): A, photograph; B, line drawing. Abbreviations: atr, anterior tympanic recess; bs, basisphenoid; dtr, dorsal tympanic recess; eo, exoccipital–opisthotic; epi, epipterygoid; fo, fenestra ovalis; ls, laterosphenoid; pa, parietal; pn, pneumatopore; pr, prootic; pt, pterygoid; q, quadrate; V, foramen for cranial nerve V; VII, foramen for cranial nerve VII.

Figure 3 in The skull of Monolophosaurus jiangi (Dinosauria: Theropoda) and its implications for early theropod phylogeny and evolution

Figure 3. Cranial crest of Monolophosaurus jiangi in right lateral view: A, photograph; B, line drawing. Abbreviations: acf, accessory antorbital opening (fossa); fcr, frontal contribution to the crest; forb, orbital rim of the frontal; jaf, jugal accessory foramen; ldp, dorsal projection of the lacrimal; mantfoss, antorbital fossa on the maxilla; nantfoss, antorbital fossa on the nasal; nfen, nasal fenestrae; nfor, nasal foramina; nk, nasal knobs; npp, posterior projection of the nasal; pal, palatine; pmmp, maxillary process of the premaxilla; pmnvp, ventral projection of the nasal process of the premaxilla; po, postorbital. Scale bar represents 100 mm.

Figure 2 in The skull of Monolophosaurus jiangi (Dinosauria: Theropoda) and its implications for early theropod phylogeny and evolution

Figure 2. Skull of Monolophosaurus jiangi in right lateral view. Anterior region of the snout: A, photograph; B, line drawing. Posterior region of the skull: C, photograph; D, line drawing. Abbreviations: acf, accessory antorbital opening (fossa); antfos, antorbital fossa; for, foramen; forb, orbital rim of the frontal; gr, groove; ip, inflection point; jaf, jugal accessory foramen; jcp, jugal corneal process; jfor, jugal foramen; jrug, rugosity on the jugal; ldp, dorsal projection of the lacrimal; ltfos, lateral temporal fossa; mar, anterior ramus of the maxilla; masr, ascending ramus of the maxilla; mk, kink in the maxilla; nk, nasal knobs; npp, posterior projection of the nasal; pmndp, dorsal projection of the nasal process of the premaxilla; pmnvp, ventral projection of the nasal process of the premaxilla; por, postorbital rugosity; q, quadrate; qj, quadratojugal; snf, subnarial foramen; sop, suborbital projection; sqk, kink in the squamosal; sqpp, posterior process of the squamosal; sqs, squamosal shelf. Scale bar represents 100 mm.

Figure 5 in The skull of Monolophosaurus jiangi (Dinosauria: Theropoda) and its implications for early theropod phylogeny and evolution

Figure 5. Posterior skull region of Monolophosaurus jiangi in right lateral view: A, photograph; B, line drawing. Abbreviations: ltfos, lateral temporal fossa; pro, projection into the lateral temporal fenestra; q, quadrate; qj, quadratojugal; sq, squamosal; sqk, kink in the squamosal; sqpp, posterior process of the squamosal; sqs, squamosal shelf. Scale bar represents 50 mm.

Figure 4 in The skull of Monolophosaurus jiangi (Dinosauria: Theropoda) and its implications for early theropod phylogeny and evolution

Figure 4. Cranial crest of Monolophosaurus jiangi in dorsolateral (dorsal and slightly oblique) view: A, photograph; B, line drawing. Abbreviations: f, frontal; fcr, frontal contribution to the crest; forb, orbital rim of the frontal; lar, lacrimal anterior ramus; ldp, dorsal projection of the lacrimal; n, nasal; nfen, nasal fenestrae; npp, posterior projection of the nasal; pa, parietal; pf, prefrontal; po, postorbital; sq, squamosal; stfen, supratemporal fenestra; stfos, supratemporal fossa. Scale bar represents 50 mm.

Figure 7 in The skull of Monolophosaurus jiangi (Dinosauria: Theropoda) and its implications for early theropod phylogeny and evolution

Figure 7. Posterior region of the lower jaw of Monolophosaurus jiangi in right lateral view: A, photograph; B, line drawing. Abbreviations: ang, angular; angpp, posterior projection of the angular; emf, external mandibular fenestra; d18, dentary alveolus 18; for, foramen; fos, fossa; gr, groove; sa, surangular; saf, surangular foramen; san, surangular notch; smo, smooth region dorsal to the surangular foramen; sp, splenial. Scale bar represents 100 mm.

Figure 21 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England

Figure 21. Proceratosaurus bradleyi, left maxillary teeth (7–9) in lateral view. The scale bar is graded in mm.

Figure 22 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England

Figure 22. Proceratosaurus bradleyi, anteriormost dentary teeth of the left side in lateral view. The scale bar is graded in mm.

Figure 19 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England

Figure 19. Proceratosaurus bradleyi, relations between dentary and postdentary bones on the lateral side of the right mandible. Abbreviations: a, angular; d, dentary; emf, external mandibular fenestra; g, groove; sa, surangular. Scale bar: 5 cm.

Figure 17 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England

Figure 17. Proceratosaurus bradleyi; coronal CT slices through the skull at the level just behind (A), and at (B), the junction of the ventral and posterior processes of the postorbital, showing details of the anterior part of the braincase. Abbreviations: bpt, basipterygoid process; bptr, basipterygoid recess; bsw, basisphenoid web; cc, canal for the passage of the cranial carotid artery; fds, foramen in the dorsum sellae; icr, recess associated with the entrance of the internal carotid; pt, pterygoid; ssr, subsellar recess.

Figure 14 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England

Figure 14. Proceratosaurus bradleyi, coronal CT slice at about the level of the postorbital process of the jugal. Abbreviations: cpa, cultriform process of the parasphenoid; dep, depression; ectw, ectopterygoid wing of the pterygoid; lpt, left pterygoid; rpt, right pterygoid.

Figure 12 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England

Figure 12. Proceratosaurus bradleyi. Palatal elements visible through the left antorbital opening. Abbreviations: ao, antorbital opening; j, jugal; l, lacrimal; lpt, left pterygoid; m, maxilla; pal, palatine; rpt, right pterygoid; v, vomer. The scale bar is graded in mm.