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Fig. 28 in Postcranial Osteology Of Azendohsaurus Madagaskarensis (?Middle To Upper Triassic, Isalo Group, Madagascar) And Its Systematic Position Among Stem Archosaur Reptiles

Fig. 28. Distal caudal vertebra of Azendohsaurus madagaskarensis (UA 7-15-99-599) in (A) left lateral, (B) dorsal, (C) ventral, (D) anterior, and (E) posterior views. Scale 5 1 cm. Abbreviations: a., articulates with; ch, chevron; ns, neural spine; poz, postzygapophysis; prz, prezygapophyses.

Fig. 34 in Postcranial Osteology Of Azendohsaurus Madagaskarensis (?Middle To Upper Triassic, Isalo Group, Madagascar) And Its Systematic Position Among Stem Archosaur Reptiles

Fig. 34. Interclavicles of Azendohsaurus madagaskarensis. Interclavicle (FMNH PR 2781) in (A) ventral, (B) dorsal, and (C) left lateral views. Pathological interclavicle (UA 7-16-99-620) in (D) ventral and (E) dorsal views. Scales 5 1 cm. Arrows indicate anterior direction. Abbreviations: a., articulates with; ap, anterior process; cl, clavicle; lp, lateral process; pp, posterior process.

Fig. 32 in Postcranial Osteology Of Azendohsaurus Madagaskarensis (?Middle To Upper Triassic, Isalo Group, Madagascar) And Its Systematic Position Among Stem Archosaur Reptiles

Fig. 32. Chevron of Azendohsaurus madagaskarensis. Anterior chevron (FMNH PR 2773) (A) in proximal (top), anterior (left), and left lateral (right). Midtail chevron (FMNH PR 2773) (B) in proximal (top), anterior (left), and left lateral (right). Posterior portion of the tail chevron (FMNH PR 2772) (C) in proximal (top), anterior (left), and left lateral (right). Scale 5 1 cm.

Fig. 40 in Postcranial Osteology Of Azendohsaurus Madagaskarensis (?Middle To Upper Triassic, Isalo Group, Madagascar) And Its Systematic Position Among Stem Archosaur Reptiles

Fig. 40. Left radius of Azendohsaurus madagaskarensis (UA 8-29-97-153) in (A) proximal, (B) anterior,

Fig. 37 in Postcranial Osteology Of Azendohsaurus Madagaskarensis (?Middle To Upper Triassic, Isalo Group, Madagascar) And Its Systematic Position Among Stem Archosaur Reptiles

Fig. 37. Left coracoid of Azendohsaurus madagaskarensis (FMNH PR 3822) in (A) lateral, (B) proximal, and (C) medial views. Scale 5 1 cm. Arrows indicate anterior direction. Abbreviations: a., articulates with; cf, coracoid foramen; gl, glenoid; pg, postglenoid process; sc, scapula.

Figure 7 in Braincase evolution in suchian archosaurs (Reptilia: Diapsida): evidence from the rauisuchian Batrachotomus kupferzellensis

Figure 7. Batrachotomus kupferzellensis Gower. Stereopair photographs and diagram of dorsal part of braincase of SMNS 80260 in ventral view i.e. normal to fracture surface between ventral and dorsal pieces. Anterior is to the left of the figure. Scale bar = 30 mm.

Figure 3 in Braincase evolution in suchian archosaurs (Reptilia: Diapsida): evidence from the rauisuchian Batrachotomus kupferzellensis

Figure 3. Batrachotomus kupferzellensis Gower. Ventral part of braincase of SMNS 80260 in right posterolateral view. Scale bar in mm.

Figure 7 in Erpetosuchus, a crocodile-like basal archosaur from the Late Triassic of Elgin, Scotland

Figure 7. Section of the dorsal vertebral column of Erpetosuchus granti Newton (1894), and associated ribs and scutes (NMS 1966.4.3), in dorsal (A) and ventral (B) views. Scutes are lettered a−e, and ribs are numbered i−v for descriptive purposes.

Figure 3 in Erpetosuchus, a crocodile-like basal archosaur from the Late Triassic of Elgin, Scotland

Figure 3. Cervical and anterior dorsal vertebral series of Erpetosuchus granti Newton (1894) (BMNH R3139). (A, B) Presacral vertebrae 2–12, seen in right lateral (A) and left lateral (B) views, with associated dorsal midline scutes. (C) Posterior view of presacral vertebra 10. Abbreviations: icl = interclavicle; 2–12 = presacral vertebrae 2–12.

Figure 6 in Erpetosuchus, a crocodile-like basal archosaur from the Late Triassic of Elgin, Scotland

Figure 6. Elements of the forelimb of Erpetosuchus granti Newton (1894) (BMNH R3139). (A−D) Right humerus in anterior (A), lateral/dorsal (B), proximal (C), and medial/ventral (D) views. (E) Left humerus in posterior view. (F) Left lower forelimb in ventral/posterior view. Abbreviations: dpc = deltopectoral crest; hu = humerus; r = radius; ra = radiale; sc = scapula; u = ulna; ul = ulnare; I, V = toes I and V.

Figure 8 in Braincase evolution in suchian archosaurs (Reptilia: Diapsida): evidence from the rauisuchian Batrachotomus kupferzellensis

Figure 8. Batrachotomus kupferzellensis Gower. Stereopair photographs and diagram of dorsal part of braincase of SMNS 80260 in left ventrolateral view. Anterior is to the left of the figure. pcv = probable path of posterior cerebral/cephalic vein (this is associated with a depression for a sinus on the wall of the endocranial cavity). The diagram is of a slightly more lateral view than the stereo pair photographs, such that the latter show part of the interior of the left vestibule. Scale

Figure 4 in New data on the braincase of the aetosaurian archosaur (Reptilia: Diapsida) Stagonolepis robertsoni Agassiz

Figure 4. Stagonolepis robertsoni Agassiz. Incomplete synthetic cast of natural mould of right otic region in lateral view. Photograph and explanatory diagram not to same scale. Scale bar = 20 mm lcs = surface of loop closure suture.

Figure 6 in Braincase evolution in suchian archosaurs (Reptilia: Diapsida): evidence from the rauisuchian Batrachotomus kupferzellensis

Figure 6. Batrachotomus kupferzellensis Gower. Dorsal part of braincase of SMNS 80260 in anterior view. Scale bar = 30 mm.

Figure 9 in Erpetosuchus, a crocodile-like basal archosaur from the Late Triassic of Elgin, Scotland

Figure 9. Restoration of the anterior part of the skeleton of Erpetosuchus granti Newton (1894), in left lateral view, based mainly on BMNH R3139.

Figure 3 in New data on the braincase of the aetosaurian archosaur (Reptilia: Diapsida) Stagonolepis robertsoni Agassiz

Figure 3. Stagonolepis robertsoni Agassiz. Medial view of left side of braincase of MCZD 2-4. The specimen has been longitudinally fractured close to the midline, revealing the cultriform process of the parabasisphenoid and the left side of the endocranial cavity. Areas of matrix are indicated by hatching. Anterior is to the top of the figure. For scale see Fig. 1. cp = cultriform process of parabasisphenoid; ec = endocranial cavity; g = groove; hf = hypophyseal fossa; ica = path of cerebral branch of internal carotid artery into hf; l.bpt = left basipterygoid process; l.btbs = left basal tuber of parabasisphenoid; l.ls = left laterosphenoid; l.vrop = left ventral ramus of the opisthotic; mpr = median pharyngeal recess; oa = foramen, possibly for orbital artery; pbs = prow of parabasisphenoid; V = position of foramen for trigeminal nerve; VI = position of path through floor of ec for abducens nerve; VII = position of depression, possibly leading to foramen for passage of facial nerve.

Figure 2 in Erpetosuchus, a crocodile-like basal archosaur from the Late Triassic of Elgin, Scotland

Figure 2. Restoration of the skull of Erpetosuchus granti Newton (1894) (BMNH R3139), in right lateral (A), dorsal (B), and ventral (C) views. Drawing by A.D.W. Abbreviations: a = angular, d = dentary; f = frontal; j = jugal; l = lacrimal; m = maxilla; n = nasal; p = parietal; pl = palatine; pm = premaxilla; po = postorbital; pr = prefrontal; pt = pterygoid; q = quadrate; qj = quadratojugal; sa = surangular; sq = squamosal; v = vomer.

Figure 5 in Braincase evolution in suchian archosaurs (Reptilia: Diapsida): evidence from the rauisuchian Batrachotomus kupferzellensis

Figure 5. Batrachotomus kupferzellensis Gower. Dorsal part of braincase of SMNS 80260 in posterior view. Scale bar = 30 mm fm = foramen magnum; sg = stapedial groove; s.p = surface for articulation with parietal.

Figure 4 in Erpetosuchus, a crocodile-like basal archosaur from the Late Triassic of Elgin, Scotland

Figure 4. Photographs of scutes of Erpetosuchus granti Newton (1894). (A) Paired scutes above presacral vertebrae 9 and 10 in BMNH R3139 (cf. Figure 3B), from E. T. Newton's gutta percha cast. (B) Lateral scutes above presacral vertebrae 6 and 7 in NMS (1992).37.1 (cf. Figure 3B, D), from A.D.W.'s PVC cast. Scale: both × 3.

Figure 1 in New data on the braincase of the aetosaurian archosaur (Reptilia: Diapsida) Stagonolepis robertsoni Agassiz

Figure 1. Stagonolepis robertsoni Agassiz. General views of left posterodorsal corner of skull and braincase of MCZD 2-4 in (from top to bottom) lateral, medial, ventral and dorsal views. o = orbit; pf = postfrontal; po = postorbital; prf = prefrontal; utf = upper temporal fenestra. Scale bar in mm.

Figure 1 in Erpetosuchus, a crocodile-like basal archosaur from the Late Triassic of Elgin, Scotland

Figure 1. Moulds, casts and models of the skull and mandible of Erpetosuchus granti Newton (1894) (BMNH R3139). (A) Natural rock mould of the left side of the anterior part of the articulated skull and mandible; other sandstone blocks fit on to this one to complete the three-dimensional mould of the entire head; the small black marks in the moulds are cubic crystals of iron oxide mineral. (B−D) Gutta percha cast of the skull, made by E. T. Newton in the 1890s, in dorsal (B), ventral (C), and right lateral (D) views. (E) Plaster model of the skull, made by Newton in the 1890s, in dorsal view. (F) PVC cast of the skull, made by A.D.W. in the 1960s, in lateral view. (G) Gutta percha cast of the left mandible, made by Newton in the 1890s, in lateral view. (H) Plaster model of the left mandible, made by Newton in the 1890s, in lateral view. (I) PVC cast of the left mandible, made by A.D.W. in the 1960s, in lateral view. Scale: all photographs are natural size (×1).