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97 results for “Archosauriformes”
Figure 4 in A new proterochampsid (Archosauriformes: Proterochampsia) from the Late Triassic of southern Brazil and the emergence of archosaurian hind limb traits
Figure 4. Right tibia and fibula of Stenoscelida aurantiacus gen. et sp. nov. (CAPPA/UFSM 0293) in A, medial, B, anterior, C, proximal, D, *distal, E, posterior and F, lateral views. *Only fibula is visible in distal view. Abbreviations: cc, cnemial crest; fi, fibula; ift, iliofibularis tubercle; lc, lateral condyle; lg, lateral groove; pc, posterior condyle; t, tibia.
Figure 3 in A new proterochampsid (Archosauriformes: Proterochampsia) from the Late Triassic of southern Brazil and the emergence of archosaurian hind limb traits
Figure 3. Right femur of Stenoscelida aurantiacus gen. et sp. nov. (CAPPA/UFSM 0293) in A, anterior, B, lateral, C, proximal, D, distal, E, medial and F, posterior views. Abbreviations: 4t, fourth trochanter; als, anterolateral scar; at, anterior trochanter; ctf, crita tibiofibularis; ef, externsor fossa; fh, femoral head; gt, greater trochanter; lc, lateral condyle; mc, medial condyle; pf, popliteal fossa; pg, proximal groove; pt, posterior tuber.
Figure 1 in A new proterochampsid (Archosauriformes: Proterochampsia) from the Late Triassic of southern Brazil and the emergence of archosaurian hind limb traits
Figure 1. Provenance of Stenoscelida aurantiacus gen. et sp. nov. (CAPPA/UFSM 0293). A, location and geological context of the Varzea do Agudo site (Agudo, Rio Grande do Sul, Brazil; modified from Muller et al. 2020a); B, general view of the site; C, reconstruction of the skeleton of Stenoscelida aurantiacus gen. et sp. nov. (CAPPA/UFSM 0293) depicting the preserved elements.
Figure 5 in A new proterochampsid (Archosauriformes: Proterochampsia) from the Late Triassic of southern Brazil and the emergence of archosaurian hind limb traits
Figure 5. Right pes of Stenoscelida aurantiacus gen. et sp. nov. (CAPPA/UFSM 0293) in A, medial, B, lateral and C, dorsal views. Abbreviations: a, astragalus; c, calcaneum; mt, metatarsal; ph, phalanx; t, tibia.
Figure 2 in A new proterochampsid (Archosauriformes: Proterochampsia) from the Late Triassic of southern Brazil and the emergence of archosaurian hind limb traits
Figure 2. Holotype of Stenoscelida aurantiacus gen. et sp. nov. (CAPPA/UFSM 0293). Right hind limb in A, medial and B, lateral views. Abbreviations: 4t, fourth trochanter; a, astragalus; als, anterolateral scar; at, anterior trochanter; c, calcaneum; cc, cnemial crest; f, femur; fh, femoral head; fi, fibula; ift, iliofibularis tubercle; mc, medial condyle; mt, metatarsal; pf, popliteal fossa; ph, phalanx; t, tibia.
Figure 7 in A new proterochampsid (Archosauriformes: Proterochampsia) from the Late Triassic of southern Brazil and the emergence of archosaurian hind limb traits
Figure 7. Plot of log10-transformed skull length versus log10-transformed femoral length of proterochampsids depicting (red dots) the estimated values for Cerritosaurus binsfeldi and Stenoscelida aurantiacus. Red dotted lines represent the 95% confidence intervals. Skulls modified from Ezcurra et al. (2021). Reconstructed head of Stenoscelida aurantiacus by Caio Fantini.
Figure 6 in A new proterochampsid (Archosauriformes: Proterochampsia) from the Late Triassic of southern Brazil and the emergence of archosaurian hind limb traits
Figure 6. Results of the phylogenetic analysis depicting the position of Stenoscelida aurantiacus. A, time-calibrated reduced strict consensus tree (number on nodes represent Bremer support values higher than 1); B, strict consensus tree depicting the occurrence and distribution of the anterior trochanter (at) and the anterolateral scar (als) in the proximal portion of the femora of some panarchosaurs. Femora of Tanystropheus sp. (Tanystropheidae; PIMUZ A/III 771; Spiekman & Scheyer 2019), Malerisaurus-like (Allokotosauria; TMM 31025-265; Nesbitt et al. 2022), Hyperodapedon sp. (Rhynchosauria; CAPPA/UFSM 0206), Prolacerta broomi (Prolacertidae; UWBM 95529; Spiekman 2018), Garjainia prima (Erythrosuchidae; PIN 951/61-1; Maidment et al. 2020), Stenoscelida aurantiacus (Proterochampsidae; CAPPA/UFSM 0293); Mystriosuchus steinbergeri (Phytosauria; NHMW 1986/0024/ 0012; Butler et al. 2019), Dynamosuchus collisensis (Ornithosuchidae; CAPPA/UFSM 0248); Archeopelta arborensis (Erpetosuchidae; CPEZ-239a; Desojo et al. 2011), Aetosauroides scagliai (Aetosauria; ULBRA-PVT-003; Roberto-da-Silva et al. 2014), Prestosuchus chiniquensis (Loricata; ULBRA-PVT-281; Roberto-da-Silva et al. 2020); Teleocrater rhadinus (Aphanosauria; NHMUK PV R6795; Nesbitt et al. 2017), Dromomeron romeri (Lagerpetiae; GR 1308; Griffin et al. 2019); Raeticodactylus filisurensis (Pterosauria; BNM 14524; Ezcurra et al. 2020a); Asilisaurus kongwe (Silesauridae; cast of NMT RB159), Buriolestes schultzi (Dinosauria; CAPPA/UFSM 0035).
Figure 7 in Redescription, taxonomic revaluation and phylogenetic affinities of Proterochampsa nodosa (Archosauriformes: Proterochampsidae) from the early Late Triassic of the Candelaria Sequence (Santa Maria Supersequence)
Figure 7. Tomographic slices of Proterochampsa nodosa (MCP 1694-PV). Red stripe on the skull model indicates the approximate location of the slice. Numbers at the bottom-left reference the slice number on the tomographic image stack. Abbreviations: aof, antorbital fenestra; ca, canals on the nasal cavity; ch, choana; dt, dentary; fr, frontal; itf, infraorbital fenestra; mx, maxilla; na, nasal; nc, nasal cavity; or, orbit; pmx, premaxilla; po, postorbital; pt, pterygoid; qd, quadrate; sp, splenial; sq, squamosal; sur, surangular; surs, surangular shelf; t, tooth.
Figure 6 in Redescription, taxonomic revaluation and phylogenetic affinities of Proterochampsa nodosa (Archosauriformes: Proterochampsidae) from the early Late Triassic of the Candelaria Sequence (Santa Maria Supersequence)
Figure 6. Proterochampsa nodosa (MCP 1694-PV) in occipital view. A, fossil. B, interpretative line drawing. Thicker lines indicate the separation of the skull and mandible. Grey area represents the plaster restoration. Abbreviations: ang, angular; ar, articular; ept, ectopterygoid; op, opisthotic; pa, parietal; par, pre-articular; pt, pterygoid; qd, quadrate; qdf, quadrate foramen; qj, quadratojugal; so, supraoccipital; sp, splenial; sq, squamosal; sur, surangular. Scale: 50 mm.
Figure 1 in Redescription, taxonomic revaluation and phylogenetic affinities of Proterochampsa nodosa (Archosauriformes: Proterochampsidae) from the early Late Triassic of the Candelaria Sequence (Santa Maria Supersequence)
Figure 1. Type locality of Proterochampsa nodosa (MCP 1694-PV) and the chronostratigraphy of the Triassic of Brazil. A, location of the Paraná Basin in South America. B, stratigraphic profile of the Paraná Basin in Rio Grande do Sul (red star indicates the approximate type locality of specimen MCP 1694-PV). C, chronostratigraphy, assemblage zones (AZ) and proterochampsids of the Brazilian Triassic modified from Zerfass et al. (2003), Horn et al. (2014) and Schultz et al. (2020). Type locality of MCP 1694 PV based on Barberena (1982) and Abdala et al. (2002). Silhouettes of Brazilian proterochampsids based on: Price, 1946 (Cerritosaurus binsfeldi); Kischlat, 2000 (Rhadinosuchus gracilis; drawing by J. F. Dornelles).
Figure 11 in Redescription, taxonomic revaluation and phylogenetic affinities of Proterochampsa nodosa (Archosauriformes: Proterochampsidae) from the early Late Triassic of the Candelaria Sequence (Santa Maria Supersequence)
Figure 11. Artistic reconstruction of Proterochampsa nodosa, depicting the large nodular protuberances of the skull, one of the diagnostic features of the taxon. Art by Márcio L. Castro.
Figure 8 in Redescription, taxonomic revaluation and phylogenetic affinities of Proterochampsa nodosa (Archosauriformes: Proterochampsidae) from the early Late Triassic of the Candelaria Sequence (Santa Maria Supersequence)
Figure 8. Interpretative drawing of the left mandibular ramus of Proterochampsa nodosa (MCP 1694-PV) over its digital model. A, dorsal view. B, medial view. C, lateral view. D, ventral view. Abbreviations: ang, angular; ar, articular; dt, dentary; lang, lamina on the angular; mdf, mandibular fenestra; sp, splenial; sur, surangular; surs, surangular shelf; sym, mandibular symphysis. Scale: 50 mm.
Figure 5 in Redescription, taxonomic revaluation and phylogenetic affinities of Proterochampsa nodosa (Archosauriformes: Proterochampsidae) from the early Late Triassic of the Candelaria Sequence (Santa Maria Supersequence)
Figure 5. Skull of Proterochampsa nodosa (MCP 1694-PV) in left lateral view. A, specimen MCP 1694-PV (Grey area represents the mandible of Pr. nodosa). B, digital model of the skull. C, interpretative line drawing of the skull. Abbreviations: aof, antorbital fenestra; fr, frontal; itf, infratemporal fenestra; ju, jugal; lc, lacrimal; mx, maxilla; na, nasal; nod, nodules; op, ophistotic; or, orbit; pa, parietal; pmx, premaxilla; po, postorbital; prf, prefrontal; pt, pterygoid; qd, quadrate; qj, quadratojugal; so, supraoccipital; sq, squamosal. Scale bars: 50 mm.
Figure 10 in Redescription, taxonomic revaluation and phylogenetic affinities of Proterochampsa nodosa (Archosauriformes: Proterochampsidae) from the early Late Triassic of the Candelaria Sequence (Santa Maria Supersequence)
Figure 10. Partial (apical) view of strict consensus trees under different weighted searches (different values of k) in the matrix of Wynd et al. (2020). A, equally weighted. B, k = 4. C, k = 7. D, k = 16.
Figure 4 in Redescription, taxonomic revaluation and phylogenetic affinities of Proterochampsa nodosa (Archosauriformes: Proterochampsidae) from the early Late Triassic of the Candelaria Sequence (Santa Maria Supersequence)
Figure 4. Proterochampsa nodosa (MCP 1694-PV) in dorsal view. A, fossil. B, interpretative line drawing. Abbreviations: aof, antorbital fenestra; ar, articular; dt, dentary; ept, ectopterygoid; fr, frontal; itf, infratemporal fenestra; ju, jugal; la, lacrimal; mx, maxilla; na, nasal; nf, narial fossa; nr, nares; or, orbit; pa, parietal; pl, palatine; pmx, premaxilla; po, postorbital; pra, pre-articular; prf, prefrontal; pt, pterygoid; qd, quadrate; qdf, quadrate foramen; qj, quadratojugal; sq, squamosal; sur, surangular; sus, surangular shelf. Grey area represents the plaster restoration. Scale: 50 mm.
Figure 3 in Redescription, taxonomic revaluation and phylogenetic affinities of Proterochampsa nodosa (Archosauriformes: Proterochampsidae) from the early Late Triassic of the Candelaria Sequence (Santa Maria Supersequence)
Figure 3. Skull of Proterochampsa nodosa (MCP 1694-PV) in palatal view, after virtual removal of the mandible. A, 3D-model. B, interpretative line drawing overlapping 3D-model of the skull. Dashed lines indicate poorly preserved structures or interpreted contacts. Abbreviations: aof, antorbital fenestra; ch, choana; ept, ectopterygoid; fr, frontal; iptv, interpterygoid vacuity; itf, infratemporal fenestra; ju, jugal; la, lacrimal; mx, maxilla; o, orbit; op, opisthotic; pa, parietal; pfr, prefrontal; pl, palatine; pmx, premaxilla; po, postorbital; pt, pterygoid; ptf, pterygoid flange; qd, quadrate; qdj, quadratejugal; qpt, quedrate ramus of the pterygoid; sq, squamosal; t, tooth; vo, vomer. Scale: 50 mm.
Data from: Taxonomy of the proterosuchid archosauriforms (Diapsida: Archosauromorpha) from the earliest Triassic of South Africa, and implications for the early archosauriform radiation
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Data from: The monophyly of Euparkeriidae (Reptilia: Archosauriformes) and the origins of Archosauria: a revision of Dorosuchus neoetus from the Mid-Triassic of Russia
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Supplementary data for "The craniomandibular anatomy of the early archosauriform Euparkeria capensis and the dawn of the archosaur skull"
<p>Supplementary material for "The craniomandibular anatomy of the early archosauriform<br> Euparkeria capensis and the dawn of the archosaur skull"</p> <p>Contains:</p> <p>-3D surface model of skull of SAM-PK-5867</p> <p>-3D surface renderings of CT scans of SAM-PK-5867, SAM-PK-6047A, UMZC T.692a</p> <p>-CT data for UMZC T.692a</p> <p>-Photograph bank</p>
Figure 3 in An unusual new archosauriform from the Middle-Late Triassic of southern Brazil and the monophyly of Doswelliidae
Figure 3. Preserved bones of Archeopelta (modified from Weems, 1980). Scale bar = 50 cm.
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