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Figure 2. A in Phylogenetic reassessment of Lourinhasaurus alenquerensis, a basal Macronaria (Sauropoda) from the Upper Jurassic of Portugal

Figure 2. A, geological map (adapted from Oliveira et al., 1992) showing the Portuguese Mesozoic levels. B, geological map of the Alenquer region (adapted from Leinfelder & Wilson, 1989) with the location of the Moinho do Carmo site. C, stratigraphy of Arruda sub-basin sensu Kullberg et al. (2006) (*sensu Schneider et al., 2009, 2010); CHR, chronostratigraphy. D, Moinho do Carmo quarry map (adapted from Lapparent & Zbyszewski, 1957) and its interpretation: 1, scapulae girdle; 2, left humerus; 3, left radius and ulna; 4, cranial-to-middle dorsal vertebrae (DV1 to DV5); 5, right humerus; 6, sternal plates (?); 7, middle dorsal-to-sacral vertebrae (DV7 to DV12 and the sacral centra); 8 and 9, proximal caudal vertebrae; 10, left femur; 11, left tibia, fibula and astragalus; 12, ischia; 13, pubis; 14, left ilium; 15, middle dorsal vertebrae (DV6).

Figure 10 in Phylogenetic reassessment of Lourinhasaurus alenquerensis, a basal Macronaria (Sauropoda) from the Upper Jurassic of Portugal

Figure 10. Dorsal rib of L. alenquerensis (MG30370). Proximal section of a caudal dorsal rib in caudal (A) and cranial (B) view; and the cross-section of a proximal-to-middle sector of cranial dorsal rib (C).

Figure 13 in Phylogenetic reassessment of Lourinhasaurus alenquerensis, a basal Macronaria (Sauropoda) from the Upper Jurassic of Portugal

Figure 13. Scapular girdle of L. alenquerensis. Left scapula and coracoid (MG5780) in lateral view, right scapula (MG30371) in medial (D, black line: cross section of scapular blade) and proximal (E) views and right coracoid (MG 30372) in lateral (B) and ventral (C) views.

Figure 17. Carpal II in Phylogenetic reassessment of Lourinhasaurus alenquerensis, a basal Macronaria (Sauropoda) from the Upper Jurassic of Portugal

Figure 17. Carpal II of L. alenquerensis (MG30385) in medial? (A), lateral? (B), cranial? (C), caudal? (D), distal (E), and proximal (F) views.

Figure 1 in Phylogenetic reassessment of Lourinhasaurus alenquerensis, a basal Macronaria (Sauropoda) from the Upper Jurassic of Portugal

Figure 1. Previous phylogenetic hypotheses based on cladistic analysis approaches including Lourinhasaurus. A, Eusauropoda; B, Neosauropoda; C, Macronaria; D, Titanosauriformes; E, Titanosauria.

Figure 12 in Phylogenetic reassessment of Lourinhasaurus alenquerensis, a basal Macronaria (Sauropoda) from the Upper Jurassic of Portugal

Figure 12. Proximal caudal vertebrae of L. alenquerensis. Proximal caudal centra (MG4956) in cranial (A), left (B), and caudal (C) views. Middle chevron articulation of L. alenquerensis (MG30387) in caudal (D) and cranial (E) views. Two proximal caudal neural spines (MG30374) in cranial (F and J), caudal (G and I) and left (H and K) views. Traced line: broken borders; fill in traced pinstripes: broken or eroded areas.

Figure 4 in Phylogenetic reassessment of Lourinhasaurus alenquerensis, a basal Macronaria (Sauropoda) from the Upper Jurassic of Portugal

Figure 4. Partial neural arch of caudal cervical vertebra of L. alenquerensis (MG30379) in cranial (A), right lateral (B), and caudal (C) views and their respective interpretations (D, E, F). Traced line: broken borders; fill in traced pinstripes: broken or eroded areas.

Figure 16 in Phylogenetic reassessment of Lourinhasaurus alenquerensis, a basal Macronaria (Sauropoda) from the Upper Jurassic of Portugal

Figure 16. Left radius and ulna (MG4979) in proximal (A), lateral (B), cranial (D), caudal (E) views, and the outline of the distal view (C). Traced line: broken borders.

Figure 21 in Phylogenetic reassessment of Lourinhasaurus alenquerensis, a basal Macronaria (Sauropoda) from the Upper Jurassic of Portugal

Figure 21. Left femur of L. alenquerensis (MG4931) in caudal (A) and proximal (C) views, and the outline of distal view (D). Outline of L. alenquerensis femur without scale, showing the marked medial deflection of the femur shaft when the tibial and fibular condyles are in the horizontal plane (B). Traced line: broken borders.

Figure 11 in Phylogenetic reassessment of Lourinhasaurus alenquerensis, a basal Macronaria (Sauropoda) from the Upper Jurassic of Portugal

Figure 11. Sacral remains of L. alenquerensis. Sacral centra (MG4956) in left view (A) and its schematic interpretation (B). Sacral neural spines (MG30376): left view (C) and the most caudal available sacral spine in cranial view (D) with its schematic interpretation (E), and caudal view (F).

Figure 9 in Phylogenetic reassessment of Lourinhasaurus alenquerensis, a basal Macronaria (Sauropoda) from the Upper Jurassic of Portugal

Figure 9. Fragment of a middle neural spine of L. alenquerensis in cranial (A) and caudal (B) views.

Figure 22 in Phylogenetic reassessment of Lourinhasaurus alenquerensis, a basal Macronaria (Sauropoda) from the Upper Jurassic of Portugal

Figure 22. Left tibia (MG4983) and fibula (MG4984) of L. alenquerensis. Tibia in lateral (A), cranial (B), and proximal (C) views, and the outline of distal view (D). Fibula in proximal (E), cranial (G), medial (H), and lateral (I) views, schematic interpretation of lateral view (J) and the outline of its distal view (F). Traced line: broken borders.

Figure 8 in Phylogenetic reassessment of Lourinhasaurus alenquerensis, a basal Macronaria (Sauropoda) from the Upper Jurassic of Portugal

Figure 8. Middle neural spine of L. alenquerensis (probably from the 6th or 7th dorsal vertebra, MG30384) in cranial view (A) and its schematic interpretation (B); and in right view (C) and its schematic interpretation (D). Neural arch of L. alenquerensis DV6 in left view (E) and its schematic interpretation (F). Traced line, broken borders; fill in traced pinstripes, broken or eroded areas. G, Camararasaurus dorsal vertebrae (Osborn & Mook, 1921: pl. LXX) with boxes indicating the relative position of the figured Lourinhasaurus neural arch fragments.

Figure 19 in Phylogenetic reassessment of Lourinhasaurus alenquerensis, a basal Macronaria (Sauropoda) from the Upper Jurassic of Portugal

Figure 19. Left pubis of L. alenquerensis (MG 4970) in lateral (A), caudal (B), and proximal (C) views.

Figure 22 in Osteology and phylogenetic relationships of Tehuelchesaurus benitezii (Dinosauria, Sauropoda) from the Upper Jurassic of Patagonia

Figure 22. Simplified reduced consensus tree, showing the minimal implied stratigraphic gaps in the basal neosauropod radiation as predicted by the topology presented here. The stratigraphic position of Jobaria is based on Rauhut & López-Arbarello (2009).

Figure 23 in Osteology and phylogenetic relationships of Tehuelchesaurus benitezii (Dinosauria, Sauropoda) from the Upper Jurassic of Patagonia

Figure 23. Occurrences of macronarians in the Late Jurassic. 1, Cañadón Calcáreo Formation (Tithonian–?Valangianian); Tehuelchesaurus benitezii, unidentified brachiosaurid. 2, Tendaguru Formation (Oxfordian–Tithonian); Giraffatitan brancai, Janenschia robusta. 3, Kadzi Formation (Late Jurassic); 'Brachiosaurus' sp. (probably Giraffatitan), Janenschia sp.,?Camarasaurus sp. 4, Morrison Formation (Kimmeridgian–Tithonian); Haplocanthosaurus spp., Camarasaurus spp., Brachiosaurus altithorax. 5, Sobral Unit (Tithonian); Lusotitan atalaiensis; Villar de Arzobispo Formation (Tithonian-Berriasian); Galvesaurus herreroi. 6, unnamed carbonate unit at Oker (Kimmeridgian); Europasaurus holgeri; unnamed unit, Damparis (Oxfordian); 'French Bothriospondylus' (probable brachiosaurid).

Figure 21. A in Osteology and phylogenetic relationships of Tehuelchesaurus benitezii (Dinosauria, Sauropoda) from the Upper Jurassic of Patagonia

Figure 21. A, strict consensus of MPTs, showing the phylogenetic position of Tehuelchesaurus. B, reduced consensus tree of the MPTs after the exclusion of Malarguesaurus, Tendaguria, and Venenosaurus. Stem based groups are symbolized by arrows and node-based groups with open circles. Node definitions: Eusauropoda (Upchurch et al., 2004); Neosauropoda (Wilson & Sereno, 1998); Diplodocoidea (Wilson & Sereno, 1998); Macronaria (Wilson & Sereno, 1998); Camarasauromorpha (Upchurch et al., 2004); Titanosauriformes (Wilson & Sereno, 1998); Somphospondyli (Sereno, 2005); Titanosauria (Wilson & Upchurch, 2003).

Figure 20 in Osteology and phylogenetic relationships of Tehuelchesaurus benitezii (Dinosauria, Sauropoda) from the Upper Jurassic of Patagonia

Figure 20. Tuelchesaurus benitezii, right femur in posterior (A) and proximal views (B) and left femur in posterior (C), and medial views (D). Abbreviations: 4tr, fourth trochanter; epc, epicondyle; fbc, fibular condyle; lb, lateral bulge; tbc, tibial condyle. Scale bar = 10 cm.

Figure 19 in Osteology and phylogenetic relationships of Tehuelchesaurus benitezii (Dinosauria, Sauropoda) from the Upper Jurassic of Patagonia

Figure 19. Tehuelchesaurus benitezii, ischium. Left ischium in anterolateral view, stereophotographs (A), right ischial shaft in posterior view, stereophotographs (B), and outline of pubic peduncle of left ischium (C). Abbreviations: ac, acetabular rim; ic, contact area between left and right ischium; ilpd, iliac peduncle; pupd, pubic peduncle. Scale bar = 10 cm.

Figure 18 in Osteology and phylogenetic relationships of Tehuelchesaurus benitezii (Dinosauria, Sauropoda) from the Upper Jurassic of Patagonia

Figure 18. Tehuelchesaurus benitezii, rigth pubis. Lateral view, stereophotographs (A), posterolateral view (B), and outline of ischial peduncle (C). Abbreviation: obf, obturator foramen. Scale bar = 10 cm.