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Fig. 9. The pseudosuchian archosaur Prestosuchus chiniquensis Huene, 1938 in The skull anatomy and cranial endocast of the pseudosuchid archosaur Prestosuchus chiniquensis from the Triassic of Brazil

Fig. 9. The pseudosuchian archosaur Prestosuchus chiniquensis Huene, 1938 (UFRGS-PV-0629-T) from the Dinodontosaurus Assemblage Zone, Ladinian, Middle Triassic, Dona Francisca municipality, Rio Grande do Sul State, Brazil; left prefrontal in lateral (A1, A2) and dorsal (A3, A4) views. Photographs (A1, A3) and explanatory drawings (A2, A4).

Fig. 6. The pseudosuchian archosaur Prestosuchus chiniquensis Huene, 1938 in The skull anatomy and cranial endocast of the pseudosuchid archosaur Prestosuchus chiniquensis from the Triassic of Brazil

Fig. 6. The pseudosuchian archosaur Prestosuchus chiniquensis Huene, 1938 (UFRGS-PV-0629-T) from the Dinodontosaurus Assemblage Zone, Ladinian, Middle Triassic, Dona Francisca municipality, Rio Grande do Sul State, Brazil. A. Explanatory drawing of the left maxilla in anterior view. B. Photograph of the articulated left premaxilla and maxilla in lateral view exhibiting a slit-opening between both elements.

Fig. 7. The pseudosuchian archosaur Prestosuchus chiniquensis Huene, 1938 in The skull anatomy and cranial endocast of the pseudosuchid archosaur Prestosuchus chiniquensis from the Triassic of Brazil

Fig. 7. The pseudosuchian archosaur Prestosuchus chiniquensis Huene, 1938 (UFRGS-PV-0629-T) from the Dinodontosaurus Assemblage Zone, Ladinian, Middle Triassic, Dona Francisca municipality, Rio Grande do Sul State, Brazil. A. Right nasal in dorsal (A1, A2) and lateral (A3, A4) views. B. Left nasal in lateral (B1, B2) and dorsal (B3, B4) views. Photographs (A1, A3, B1, B3) and explanatory drawings (A2, A4, B2, B4).

Fig. 5. The pseudosuchian archosaur Prestosuchus chiniquensis Huene, 1938 in The skull anatomy and cranial endocast of the pseudosuchid archosaur Prestosuchus chiniquensis from the Triassic of Brazil

Fig. 5. The pseudosuchian archosaur Prestosuchus chiniquensis Huene, 1938 (UFRGS-PV-0629-T) from the Dinodontosaurus Assemblage Zone, Ladinian, Middle Triassic, Dona Francisca municipality, Rio Grande do Sul State, Brazil. A. Left maxilla in lateral (A1, A2) and medial (A3, A4) views. B. Right maxilla in medial view. m1–7, m9, m11, refer to maxillary tooth position; al10, al12, al13, refer to maxillary alveolus position. Photographs (A1, A3, B1) and explanatory drawings (A2, A4, B2).

Fig. 4. The pseudosuchian archosaur Prestosuchus chiniquensis Huene, 1938 in The skull anatomy and cranial endocast of the pseudosuchid archosaur Prestosuchus chiniquensis from the Triassic of Brazil

Fig. 4. The pseudosuchian archosaur Prestosuchus chiniquensis Huene, 1938 (UFRGS-PV-0629-T) from the Dinodontosaurus Assemblage Zone, Ladinian, Middle Triassic, Dona Francisca municipality, Rio Grande do Sul State, Brazil. A. Left premaxilla in lateral (A1, A3) and medial (A2, A4) views. B. Right premaxilla in medial (B1, B3) and lateral (B2, B4) views. pm3, pm4, refer to premaxillary tooth position; al1, al2, al4, refer to premaxillary empty alveoli position. Photographs (A1, A2, B1, B2) and explanatory drawings (A3, A4, B3, B4).

Fig. 2 in The skull anatomy and cranial endocast of the pseudosuchid archosaur Prestosuchus chiniquensis from the Triassic of Brazil

Fig. 2. Map showing location of the studied area, where the Prestosuchus chiniquensis Huene, 1938 (UFRGS-PV-0629-T) was collected, within Rio Grande do Sul State, Brazil (A) and municipality of Dona Francisca (B, C). Coordinates of the outcrop "Posto de Gasolina" UTM (22) 0270854/6720302.

Fig. 1 in The skull anatomy and cranial endocast of the pseudosuchid archosaur Prestosuchus chiniquensis from the Triassic of Brazil

Fig. 1. Stratigraphic framework of the Triassic package from southern Brazil. Modified from Horn et al. (2018).

Fig. 3 in The skull anatomy and cranial endocast of the pseudosuchid archosaur Prestosuchus chiniquensis from the Triassic of Brazil

Fig. 3. Schematic drawing of the pseudosuchian archosaur Prestosuchus chiniquensis Huene, 1938 (UFRGS-PV-0629-T) from the Dinodontosaurus Assemblage Zone, Ladinian, Middle Triassic, Dona Francisca municipality, Rio Grande do Sul State, Brazil (drawing by Téo Veiga de Oliveira). Cranial elements in gray.

FIGURE 9 in Anatomy, taxonomy and phylogenetic relationships of Prestosuchus chiniquensis (Archosauria: Pseudosuchia) from the original collection of von Huene, Middle-Late Triassic of southern Brazil

FIGURE 9. Pectoral elements of the lectotype of Prestosuchus chiniquensis SNSB-BSPG XXV 12. 1, Ventrolateral view of left scapula, coracoid, clavicle, and interclavicle; 2, lateral view; and 3, posterodorsal view. Abbreviations: cf, coracoid foramen; cl, clavicle; in, interclavicle; ld, lateral depression; oi, oval incision; pt, pathological tissue; rk, rounded keel; rt, rugose tubercle. Scale bars equal 4 cm.

FIGURE 13 in Anatomy, taxonomy and phylogenetic relationships of Prestosuchus chiniquensis (Archosauria: Pseudosuchia) from the original collection of von Huene, Middle-Late Triassic of southern Brazil

FIGURE 13. Foot bones of the lectotype of Prestosuchus chiniquensis SNSB-BSPG XXV. 1-6, left proximal tarsals (SNSB-BSPG XXV 11c) in 1, dorsal; 2, anterior; 3, ventral; 4, posterior; 5, lateral; and 6, posteroventral views. 7-8, left distal tarsal four, metatarsals, and phalanges of the five digits in articulation (SNSB-BSPG XXV 11e) in 7, dorsal; and 8, ventral views. Abbreviations: ap, anterior pit; ct, calcaneal tuber; ddd, dorsal distal depression; dp, deep pit; dt3, distal tarsal three; dt4, distal tarsal four; ff, fibular facet; lf, lateral fossae; md, median depression; p, pit; tde, tibial distal end; I-V, digits 1 to 5. Scale bars indicate in the figure.

FIGURE 4 in Anatomy, taxonomy and phylogenetic relationships of Prestosuchus chiniquensis (Archosauria: Pseudosuchia) from the original collection of von Huene, Middle-Late Triassic of southern Brazil

FIGURE 4. Skull material of the lectotype of Prestosuchus chiniquensis SNSB-BSPG AS XXV 28. 1-4, Right premaxilla (SNSB-BSPG AS XXV 28) in 1, lateral; 2, medial; 3, anterior; and 4, dorsal views. Abbreviations: mxpp, maxillary palatal process; pmxpp, premaxillary palatal process; pmxin, premaxillary interdental plate; pmxt, premaxillary teeth; pmxt4, premaxillary tooth number 4; 2rpmxt, replacement premaxillary tooth. Scale bar equals 1 cm.

FIGURE 7 in Anatomy, taxonomy and phylogenetic relationships of Prestosuchus chiniquensis (Archosauria: Pseudosuchia) from the original collection of von Huene, Middle-Late Triassic of southern Brazil

FIGURE 7. Pelvic elements of the paralectotype (1-5) and lectotype (6-8) of Prestosuchus chiniquensis SNSB-BSPG AS XXV. 1-5, Sacral vertebrae, sacral ribs, and right ilium (SNSB-BSPG XXV 7) in 1, right lateral; 2, dorsal; 3, ventral; 4, anterior; and 5, posterior views. 6-8, Left ilium and ischia (SNSB-BSPG XXV 34b/3) in 6, left lateral view; 7, Sacral centra and left ilium (SNSB-BSPG AS XXV 3a) in lateroventral; 8, dorsomedial views. Abbreviations: dv, dorsal vertebra; iac, ischial acetabulum; isp, ischial peduncle; osn, opening for the spinal nerve; pdns, posterior dorsal neural spine; po, paramedian osteoderms; pop, postacetabular process; pp, pubic peduncle; ptp, postzygapophysis; 1sns, first sacral neural spine; 2sns, first sacral neural spine; st, spine table; 1cvc, first caudal vertebra; 1sr; first sacral rib; 2sr, second sacral rib, iob: ischial obturador blate lld: lateral longitudinal depression, tp: transverse process, 2 svs: second sacral centrum. Scale bar indicate in the figure.