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27 results for “Ligabuesaurus”
Figure 4 in Osteology and phylogenetic relationships of Ligabuesaurus leanzai (Dinosauria: Sauropoda) from the Early Cretaceous of the Neuquén Basin, Patagonia, Argentina
Figure 4. The somphospondylan sauropod Ligabuesaurus leanzai from Cerro de los Leones (Neuquén Province, Patagonia, Argentina). A, skeletal reconstruction based on the holotype (MCF-PVPH-233) and referred material (MCF-PVPH-261) from quarry no. 4, plus the newly referred specimens from quarry no. 3 (MCF-PVPH-228, MCF-PVPH-744 and MCF-PVPH-908). B, life restoration of Ligabuesaurus leanzai as a non-titanosaurian somphospondylan by J. L. Blanco.
Figure 3 in Osteology and phylogenetic relationships of Ligabuesaurus leanzai (Dinosauria: Sauropoda) from the Early Cretaceous of the Neuquén Basin, Patagonia, Argentina
Figure 3. Original picture of quarry no. 4 during the fieldwork of 2004 (A) and a quarry map with tentative arrangement of the holotype (in red) and referred material (in blue) of Ligabuesaurus leanzai (B). Abbreviations: ant, anterior; s/n, without collection number; v, vertebra.
Figure 27 in Osteology and phylogenetic relationships of Ligabuesaurus leanzai (Dinosauria: Sauropoda) from the Early Cretaceous of the Neuquén Basin, Patagonia, Argentina
Figure 27. Time-calibrated phylogenetic tree, showing geographical distribution and chronostratigraphical range of Somphospondyli, based on the agreement subtree of the reduced strict consensus. Lognkosauria and Lithostrotia have been collapsed into a single lineage. Ligabuesaurus leanzai (black narrow), from the Early Cretaceous Lohan Cura Formation (Neuquén Basin), was recovered as a non-titanosaurian somphospondylan.
Figure 2. Lithological profile. A in Osteology and phylogenetic relationships of Ligabuesaurus leanzai (Dinosauria: Sauropoda) from the Early Cretaceous of the Neuquén Basin, Patagonia, Argentina
Figure 2. Lithological profile. A schematic log of the the lower section of the Cullin Grande Member (Bajada del Agrio Group, Lohan Cura Formation, Lower Cretaceous, Albian) that outcrops at the Cerro de los Leones locality (modified from Martinelli et al., 2007). Abbreviations: CS, crevasse channel; FF, floodplain fines; FL, fossiliferous level; LA, lateral accretion; LS, laminated sand sheets; LV, levee; SB, sandy bedforms. Architectural element codes follow Miall (1996).
Figure 1. Location map. A in Osteology and phylogenetic relationships of Ligabuesaurus leanzai (Dinosauria: Sauropoda) from the Early Cretaceous of the Neuquén Basin, Patagonia, Argentina
Figure 1. Location map. A, satellite map of northern Patagonia (Argentina), showing the approximate limits of Neuquén Basin (white dashed line). B, the Cerro de los Leones locality is ~10 km to the south-west of Picún Leufú city, to the south of the Neuquén Province (white crossed pickaxes). C, satellite map of the main quarries opened on the southern flank of the Cerro de los Leones, where outcropping of the fluvial sediments of the Lohan Cura Formation (Albian) occurs.
Figure 26 in Osteology and phylogenetic relationships of Ligabuesaurus leanzai (Dinosauria: Sauropoda) from the Early Cretaceous of the Neuquén Basin, Patagonia, Argentina
Figure 26. Photographs and line drawings of the pedal elements of Ligabuesaurus leanzai. A–C, right metatarsal I MCF-PVPH-233/21 in posterior (A), proximal (B) and distal (C) views. D–F, right metatarsal II MCF-PVPH-233/22 in posterior (D), proximal (E) and distal (F) views. G–I, right metatarsal III MCF-PVPH-233/23 in posterior (G), proximal (H) and distal (I) views. J, K, right metatarsal IV MCF-PVPH-233/24 in posterior (J) and proximal (K) views. L, M, right metatarsal V MCF-PVPH-233/25 in posterior (L) and proximal (M) views. N, right proximal phalanx I-1 MCF-PVPH-233/26 in posterior view. O, right ungueal phalanx MCF-PVPH-233/27 in medial view. P, right proximal phalanx II-1 MCF-PVPH-233/28 in posterior view. Abbreviations: I, articular surface for metatarsal I; II, articular surface for metatarsal II; III, articular surface for metatarsal III; icg, intercondylar groove; IV, articular surface for metatarsal IV; lc, lateral condyle; mdp, mediodistal process; mh, medial hollow; pas, proximal articular surface; V, articular surface for metatarsal V; vf, vascular foramen. Scale bars: 10 cm.
Figure 6 in Osteology and phylogenetic relationships of Ligabuesaurus leanzai (Dinosauria: Sauropoda) from the Early Cretaceous of the Neuquén Basin, Patagonia, Argentina
Figure 6. Photographs and line drawings of the teeth of Ligabuesaurus leanzai. A, ten maxillary teeth and fragments of unerupted teeth in sedimentary matrix MCF-PVPH-233/01 in lingual view. B–F, isolated maxillary tooth MCF-PVPH-744 in lingual (B), apical (C), labial (D), mesial (E) and distal (F) views. Abbreviations: awf, apical wear facet; cc, cingular cusp; de, dentine surface; e, enamel surface; mg, mesial groove; mwf, mesial wear facet; rt, replacement tooth fragment; tc, tooth crown; tr, tooth root; t-1/10, tooth no. 1 and no. 10; we, wrinkled enamel surface. Scale bar: 3 cm.
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