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11 results for “Proterochampsidae”
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.
Figure 2 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 2. Proterochampsa nodosa (MCP 1694-PV). A, dorsal view. B, ventral view. C, left lateral view. Grey area represents the plaster restoration. Scales: 50 mm.
Figure 9 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 9. Time-calibrated phylogenetic tree presenting the partial (apical) view of the strict consensus tree with newly coded characters for Proterochampsa nodosa (MCP 1694-PV) based on the matrix of Trotteyn & Ezcurra (2020). The bar next to each taxon demarcates its temporal range. Numerals punctuated by slashes near nodes indicate: Bremer support (left); absolute (centre) and GC (Group present/Contradicted; right) bootstrap frequencies.
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