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Figure 4 in Redescription of the skull of the Australian flatback sea turtle, Natator depressus, provides new morphological evidence for phylogenetic relationships among sea turtles (Chelonioidea)

Figure 4. Ventral view of the five genera of extant cheloniid sea turtles. Images are of surface files constructed in Avizo lite 8.0. A, Natator depressus (WAM R112123). B, Chelonia mydas (SAMA unregistered). C, Eretmochelys imbricata (WAM R120113). D, Lepidochelys olivacea (SAMA BM670). E, Caretta caretta (SAM unregistered). Abbreviations: BO, basioccipital; BS, basisphenoid; EX, exoccipital; fo.te.in, fossa temporalis inferior; JUG, jugal; MX, maxilla; PAL, palatine; PMX, premaxilla; PT, pterygoid; QU, quadrate; VO, vomer. Scale bar = 50mm.

Figure 2 in Redescription of the skull of the Australian flatback sea turtle, Natator depressus, provides new morphological evidence for phylogenetic relationships among sea turtles (Chelonioidea)

Figure 2. Lateral view of the five genera of extant cheloniid sea turtles. Images are of surface files constructed in Avizo lite 8.0. A, Natator depressus(WAM R112123). B, Chelonia mydas (SAMA unregistered). C, Eretmochelys imbricata (WAM R120113). D, Lepidochelys olivacea (SAMA BM670). E, Caretta caretta (SAM unregistered). Displaying the states of characters 5, 6, 8, 9, 10, based on the descriptors in the Appendix. Abbreviations: FR, frontal; JUG, jugal; MX, maxilla; orb, orbital opening; PAR, parietal; PMX, premaxilla; PORB, postorbital; PRFR, prefrontal; QJ, quadratojugal; QU, quadrate; SQ, squamosal; su.ju.ri, superficial jugal ridge; SUP, supraoccipital. Scale bars = 50 mm.

Figure 6 in Redescription of the skull of the Australian flatback sea turtle, Natator depressus, provides new morphological evidence for phylogenetic relationships among sea turtles (Chelonioidea)

Figure 6. Lateral and medial view of the five genera of the mandibles extant cheloniid sea turtles. Images are of surface files constructed in Avizo lite 8.0. A, Natator depressus (WAM R112123). B, Chelonia mydas (NHMUK 1969.776). C, Eretmochelys imbricata (WAM R120113). D, Lepidochelys olivacea (SMNS 11070). E, Caretta caretta (SAM unregistered). Abbreviations: ANG, angular; ART, articular; COR, coranoid; DEN, dentary; for.dent.maj, foramen dento faciale majus; fs.mk, fossa Makelii; lb.rid, labial ridge; lin.ridge; lingual ridge; mek.gro, Meckelian groove; PRA, prearticular; SUR, surangular. Scale bar = 50mm.

Figure 1 in Redescription of the skull of the Australian flatback sea turtle, Natator depressus, provides new morphological evidence for phylogenetic relationships among sea turtles (Chelonioidea)

Figure 1. The current consensus for the phylogenetic relationships between extant sea turtles. The different colours represent the base of the groups in extant sea turtles. Redrawn from Duchene et al., 2012. Silhouettes redrawn from Jones et al. (2012).

Figure 5 in Redescription of the skull of the Australian flatback sea turtle, Natator depressus, provides new morphological evidence for phylogenetic relationships among sea turtles (Chelonioidea)

Figure 5. Posterior view of the five genera of extant cheloniid sea turtles. Images are of surface files constructed in Avizo lite 8.0. A, Natator depressus (WAM R112123). B, Chelonia mydas (SAMA unregistered). C, Eretmochelys imbricata (WAM R120113). D, Lepidochelys olivacea (SAMA BM670). E, Caretta caretta (SAMA unregistered). Abbreviations: BO, basioccipital; EX, exoccipital; fn.po, fenestra postoticus; fr.mg, foramen magnum; fr.ner.hyp, foramen nervi hypoglossi; fs.te.su, fossa temporalis superior; OP, opsithotic; PR, prootic; PT, pterygoid; SQ, squamosal; SUP, supraoccipital. Scale bar = 50mm.

Figure 19 in Baurusuchid crocodyliforms as theropod mimics: clues from the skull and appendicular morphology of Stratiotosuchus maxhechti (Upper Cretaceous of Brazil)

Figure 19. Right tibia (top) in cranial, lateral, medial, and caudal views, and right and left tibiae (bottom), in proximal view, of S. maxhechti (DGM 1477-R). The holes seen in the proximal surface of the right tibia are taphonomical boring marks (see Cabral et al., 2011, this volume). Abbreviations: cat, cranial crest (possible accessory point for insertion of the extensor tendon); cd, caudal; cr, cranial; cte, crest of the extensor tendon; ff, fossa flexoria; fs, fibular surface; l, lateral; li, linea intermuscularis; lm, lateral malleolus; m, medial; mm, medial malleolus; tmt, medial tubercle (possibly related to the origin of some ankle flexor). Scale bar = 10 cm.

Figure 4 in Baurusuchid crocodyliforms as theropod mimics: clues from the skull and appendicular morphology of Stratiotosuchus maxhechti (Upper Cretaceous of Brazil)

Figure 4. Horizontal computed tomography scan slices of the holotype skull of S. maxhechti (DGM 1477-R) taken at 13.2 mm (top) and 15.6 mm (bottom) below the dorsal surface. Abbreviations as in Figure 2. Note the absence of a suture between the nasals in both slices. The black area behind the prefrontals represents the dorsal concavity of the frontal and the hole over the nasal is a broken area. Regions in dark grey correspond to the sedimentary matrix that fills the skull.

Figure 12 in Baurusuchid crocodyliforms as theropod mimics: clues from the skull and appendicular morphology of Stratiotosuchus maxhechti (Upper Cretaceous of Brazil)

Figure 12. Left ischium of S. maxhechti (DGM 1477-R) in medial (left) cranial (middle), and lateral (right) views. Abbreviation: pit, point of origin of the muscle puboischiotibialis. Scale bar = 10 cm.

Figure 17 in Baurusuchid crocodyliforms as theropod mimics: clues from the skull and appendicular morphology of Stratiotosuchus maxhechti (Upper Cretaceous of Brazil)

Figure 17. Right proximal tarsals (astragalus and calcaneum) in preserved position and left disarticulated proximal tarsals of S. maxhechti (DGM 1477-R) in proximal (or dorsal) view (top) and ventral view (bottom). Abbreviations as in Figure 16. Scale bar = 10 cm.

Figure 8 in Baurusuchid crocodyliforms as theropod mimics: clues from the skull and appendicular morphology of Stratiotosuchus maxhechti (Upper Cretaceous of Brazil)

Figure 8. Right manus of S. maxhechti (DGM 1477-R), with articulated metacarpals and some proximal phalanges in dorsolateral view, proximal phalanges in dorsal view; and unguals in lateral view (A). Note the pathologically altered metacarpal V (see Cabral et al., 2011, this volume). Articulated metacarpals (except metacarpal V), some proximal phalanges and distal carpal in proximal (B), ventral (C), lateral (D), and medial (E) views. Abbreviations: Roman numbers represent metacarpals; 1-I, first (proximal) phalanx of the digit I; 1-II, first (proximal) phalanx of the digit II; 2-II, second (middle) phalanx of the digit II; dc 4 + 5, distal carpal 4 + 5. Scale bar = 10 cm.

Figure 1 in Baurusuchid crocodyliforms as theropod mimics: clues from the skull and appendicular morphology of Stratiotosuchus maxhechti (Upper Cretaceous of Brazil)

Figure 1. Block with partial sequence of dorsal vertebrae and right scapular girdle and member of S. maxhechti (holotype, DGM 1477-R) before full preparation. Abbreviations: Co, coracoid; Ph, phalanges; Ra, radius; Ul, ulna; Um, humerus; Un, ulnare. Scale bar = 10 cm.

Figure 3 in Baurusuchid crocodyliforms as theropod mimics: clues from the skull and appendicular morphology of Stratiotosuchus maxhechti (Upper Cretaceous of Brazil)

Figure 3. Symphyseal portion of the left dentary of Baurusuchus pachecoi (DGM 299-R) in lateral view. Note the size variation of the teeth. The larger caniniform tooth is the fourth tooth. Scale bar = 2 cm.

Figure 20 in Baurusuchid crocodyliforms as theropod mimics: clues from the skull and appendicular morphology of Stratiotosuchus maxhechti (Upper Cretaceous of Brazil)

Figure 20. Artistic reconstruction of an adult S. maxhechti attacking a juvenile titanosaur. Art by Maurílio Oliveira (Museu Nacional, Rio de Janeiro).

Figure 11 in Baurusuchid crocodyliforms as theropod mimics: clues from the skull and appendicular morphology of Stratiotosuchus maxhechti (Upper Cretaceous of Brazil)

Figure 11. Middle fragment of the left ilium (A) and caudal fragment of the right ilium (B) of S. maxhechti (DGM 1477-R). Left ilium in lateral (top), dorsal (middle), and ventral (bottom) views, and right ilium in lateral (top), medial (middle), and ventral (bottom) views. Abbreviations: 'fb', 'brevis fossa'; ip, ischial process; pal, postacetabular lateral lamina; pap, postacetabular process; sac, supracetabular crest. Scale bar = 5 cm.

Figure 16 in Baurusuchid crocodyliforms as theropod mimics: clues from the skull and appendicular morphology of Stratiotosuchus maxhechti (Upper Cretaceous of Brazil)

Figure 16. Left (articulated) and right (disarticulated) proximal tarsals (astragalus and calcaneum) of S. maxhechti (DGM 1477-R) in cranial or distal view (top) and caudal view (bottom). Abbreviations: bt, buttress; cgct, caudal groove of the calcaneal tuber; dc, dorsal cranial fossa; dp, dorsal process of the astragalus; dt4as, articular surface for distal tarsal 4; fas, articular surface for the fibula; fcv, cranioventral fossae; fo, foramen; lmas, articular surface for the lateral malleolus of the tibia; mmas, articular surface for medial malleolus of the tibia; peg, astragalar peg or ventral process; pg, posterior groove; samtI/II, articular surface for metatarsals I and II; sc, socket of the calcaneum to reception of the astragalar peg; st, transverse groove; tc, calcaneal tuber; vt, ventral tubercle of the astragalus. Scale bar = 10 cm.

Figure 18 in Baurusuchid crocodyliforms as theropod mimics: clues from the skull and appendicular morphology of Stratiotosuchus maxhechti (Upper Cretaceous of Brazil)

Figure 18. Proximal portion of the right femur of S. maxhechti (DGM 1477-R) in cranial view. Abbreviation: pifi2 and adjacent area, insertion surface of the muscle puboischiofemoralis internus, pars dorsalis. Scale bar = 10 cm.

Figure 15 in Baurusuchid crocodyliforms as theropod mimics: clues from the skull and appendicular morphology of Stratiotosuchus maxhechti (Upper Cretaceous of Brazil)

Figure 15. Right femur of S. maxhechti (DGM 1477-R), at right, and Caiman yacare (Museu Nacional, without number of collection), at left, in proximal view, showing the angle of relative torsion between the femoral head and the plane of the condyles. Not to scale.

Figure 10 in Baurusuchid crocodyliforms as theropod mimics: clues from the skull and appendicular morphology of Stratiotosuchus maxhechti (Upper Cretaceous of Brazil)

Figure 10. Left pes of S. maxhechti (DGM 1477-R) in dorsal view, unguals in medial view. Scale bar = 10 cm.

Figure 9. Phalanx 1 in Baurusuchid crocodyliforms as theropod mimics: clues from the skull and appendicular morphology of Stratiotosuchus maxhechti (Upper Cretaceous of Brazil)

Figure 9. Phalanx 1 (proximal) of the left pedal digit II of S. maxhechti (DGM 1477-R) in medial view. Abbreviations: dpp, dorsal proximal process; vpp, ventral proximal process. Scale bar = 5 cm.

Figure 6 in Baurusuchid crocodyliforms as theropod mimics: clues from the skull and appendicular morphology of Stratiotosuchus maxhechti (Upper Cretaceous of Brazil)

Figure 6. Left humerus (at left) and right coracoid (at right) of S. maxhechti (DGM 1477-R). Humerus in cranial, lateral, caudal, and medial views. Coracoid in proximal (or dorsal), medial, lateral and caudal views. Abbreviations: dc, area for insertion of the muscle deltoideus clavicularis; sc, area for insertion of the muscle supracoracoideus. Scale bar = 10 cm.