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Fig. 1 in New sauropod trackways from the Middle Jurassic of Portugal

Fig. 1. Location map of the Galinha dinosaur tracksite (Bairro, Serra de Aire, West−Central Portugal). Modified from Santos et al. 1997.

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Fig. 6. Polyonyx isp., sauropod trackway G1 in New sauropod trackways from the Middle Jurassic of Portugal

Fig. 6. Polyonyx isp., sauropod trackway G1 at the Galinha dinosaur tracksite (Bairro, Serra de Aire, West−Central Portugal). A. Trackway segment. B. Outline (B1) and photograph (B2) of left manus print with a slender and long impression in the centre of the track's rear margin oriented in a postero−medial direction. Modified from Santos (2003).

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Fig. 8. Sauropod ichnites with well preserved morphologies from the general track record. A–I in New sauropod trackways from the Middle Jurassic of Portugal

Fig. 8. Sauropod ichnites with well preserved morphologies from the general track record. A–I. sauropod manus prints (redrawn from Dalla Vecchia and Tarlao 2000). A. Polyonyx gomesi igen. et isp. nov. from the Middle Jurassic of Portugal. B. Polyonyx isp. from the Middle Jurassic of Portugal. C. left manus print of a quadrupedal dinosaur from the Upper Jurassic of Portugal. D. Unnamed print from the Lower Cretaceous of Italy. E. Titanosaurimanus nana from the Early Cretaceous of Croatia. F. Brontopodus birdi from the Lower Cretaceous of USA. G. Unnamed print from the Upper Cretaceous of Bolivia. H. Breviparopus taghbaloutensis from the Middle Jurassic of Morocco. I. Parabrontopodus mcintoshi from the Upper Jurassic of USA. J–N. Sauropod pes prints. J. Breviparopus taghbaloutensis from the Middle Jurassic of Morocco. K. Polyonyx gomesi igen. et isp. nov. from the Middle Jurassic of Portugal. L. Brontopodus birdi from the Lower Cretaceous of USA. M. Brontopodus aff. B. birdi from the Upper Jurassic of Portugal. N. Unnamed print from the Upper Jurassic of Asturias, Spain. A, B, K, after Santos et al. (1994); C, after Santos et al. (1995), Santos (2003); D, after Dalla Vecchia 1999; E, after Dalla Vecchia and Tarlao 2000; F, L, after Farlow at al. (1989); G, after Lockley et al. (2002); H, J, after Dutuit and Ouazzou (1980), Ishigaki (1989); I, after Lockley et al. 1994a; M, after Meyer et al. 1994, Santos 2003; N, after Lires 2000.

Fig. 9 in Ecophenotypic plasticity versus evolutionary trends-morphological variability in Upper Jurassic bivalve shells from Portugal

Fig. 9. Scatter plot of resilifer number over ligament length in Isognomon. The two groups that correspond to lithostratigraphy are clearly visible. Numbers in squared brackets refer to Fig. 2.

Fig. 8 in Ecophenotypic plasticity versus evolutionary trends-morphological variability in Upper Jurassic bivalve shells from Portugal

Fig. 8. Box plots of size for the three target taxa. A. Size of Arcomytilus based on log transformed geometric means of length and height. B. Size of Isognomon based on log transformed ligament length. C. Size of Eomiodon based on log transformed shell length. Arrangement of boxes corresponding more or less to their stratigraphic succession, from left to right. Numbers in squared brackets refer to Fig. 2.

Fig. 12 in Ecophenotypic plasticity versus evolutionary trends-morphological variability in Upper Jurassic bivalve shells from Portugal

Fig. 12. PCA plot of shell shape in Arcomytilus, grouped according to rib number in steps of 25 ribs and displayed as convex hulls.

Fig. 7 in Ecophenotypic plasticity versus evolutionary trends-morphological variability in Upper Jurassic bivalve shells from Portugal

Fig. 7. Scatter plots of log transformed values of height over length for the three target taxa. A. Arcomytilus. B. Isognomon. C. Eomiodon. Numbers in squared brackets refer to Fig. 2.

Fig. 6 in Ecophenotypic plasticity versus evolutionary trends-morphological variability in Upper Jurassic bivalve shells from Portugal

Fig. 6. Measured distances in the three target taxa. A. Arcomytilus. B. Isognomon. C. Eomiodon. Abbreviations: H, height; L, length; LL, ligament length. Arrow indicates turning point of growth.

Fig. 5 in Ecophenotypic plasticity versus evolutionary trends-morphological variability in Upper Jurassic bivalve shells from Portugal

Fig. 5. Specimens of neomiodontid bivalve Eomiodon securiformis (Sharpe, 1850) from the Upper Jurassic of Portugal. A–C. Sobral member, Late Kimmeridgian, E Arranhó. A. Hinge plates of left and right valve. GML 25915. B. Interior of right valve, showing hinge arrangement and parts of the muscle scars. GML 25916. C. Left valve view of articulated specimen. GML 25917. D. Articulated, strongly elongated, gerontic specimen. Sobral member, Late Kimmeridgian, Santa Cruz. GML 25918. E. Small articulated specimen with clearly visible commarginal lamellae. Alcobaça formation, Early Kimmeridgian, Vestiaria. GML 25919. F. Articulated gerontic specimen with ventrally elongated shell. Alcobaça formation, Early Kimmeridgian, Salgados. GML 25920. G. Short, rounded, articulated specimen. Sobral member, Late Kimmeridgian, E Arranhó. GML 25921. H. Large, high, and short specimen. Sobral member, Late Kimmeridgian, Porto das Barcas. GML 25922.

Fig. 3 in Ecophenotypic plasticity versus evolutionary trends-morphological variability in Upper Jurassic bivalve shells from Portugal

Fig. 3. Specimens of mytilid bivalve Arcomytilus from the Middle and Upper Jurassic of Portugal and France. A–F. Arcomytilus morrisii (Sharpe, 1850). A. Large articulated specimen with pointed umbones and slightly imprinted anterior part. Arranhó II member, earliest Tithonian, Serra de Alrota. GML 25900. B. Small adult specimen, left valve with fine ribbing pattern and relatively straight anterior margin. Alcobaça formation, Late Kimmeridgian, Consolação. GML 25901. C. Young adult specimen, left valve with coarse ribbing pattern and large, elevated disc. Arranhó II member, Early Tithonian, Santa Cruz. GML 25902. D. Small adult, articulated specimen. Alcobaça formation, Early Kimmeridgian, Salir do Porto. GML 25903. E. Large articulated specimen with extremely triangular outline and wide−spaced, strong ribs. Arranhó II member, Early Tithonian, Lameiro das Antas. GML 25904. F. Adult specimen, left valve with bi− and trifurcation and simultaneous insertion of ribs. Arranhó II member, Early Tithonian, Santa Cruz. GML 25905. G. Arcomytilus asper. Right valve. Late Bathonian, Luc−sur−Mer, Calvados, France. MNHN J 08224. H. Arcomytilus bathonicus. Right valve. Late Bathonian, Luc−sur−Mer, Calvados, France. MNHN, coll. Deshayes 1876−8. I. Arcomytilus pectinatus. Right valve. "Corallien", La Rochelle, Charente−Maritime, France. MNHN, coll. d'Orbigny 4247.

Fig. 11 in Ecophenotypic plasticity versus evolutionary trends-morphological variability in Upper Jurassic bivalve shells from Portugal

Fig. 11. Lithostratigraphy plot of Arcomytilus. A. Different species and lithostratigraphically grouped Arcomytilus morrisii are displayed as convex hulls. Calculated artificial shell outlines for full number coordinate pairs are plotted to illustrate the morphospace. M; mean artificial shell outline. B. 95% confidence ellipses of group means and corresponding calculated shell outlines for group means are plotted. Numbers in squared brackets refer to Fig. 2.

Fig. 2 in Ecophenotypic plasticity versus evolutionary trends-morphological variability in Upper Jurassic bivalve shells from Portugal

Fig. 2. Lithostratigraphy of the Upper Jurassic rock suite in the Lusitanian Basin. Modified from Schneider et al. (2009). All units discussed herein are numbered in squared brackets. Formations and members that are not yet formally established are written in lower case letters. Abbreviations: A., Arisphinctes; As., Aspidoceras; Au., Aulacostephanus; C., Crussoliceras; D., Dichotomoceras; Fm., formation; M., Micracanthoceras; Mb., member; Q., Quenstedtoceras; S., Simoceras; Se., Semiformiceras.

Fig. 1 in Ecophenotypic plasticity versus evolutionary trends-morphological variability in Upper Jurassic bivalve shells from Portugal

Fig. 1. Geographic and geological overview of the Lusitanian Basin. The numbering of localities refers to Table 1, second column.

Fig. 14 in Ecophenotypic plasticity versus evolutionary trends-morphological variability in Upper Jurassic bivalve shells from Portugal

Fig. 14. Lithostratigraphy plot of Eomiodon securiformis. A. Lithostratigraphically arranged groups are displayed as convex hulls. Calculated artificial shell outlines for full number coordinate pairs are plotted to illustrate the morphospace. M, mean artificial shell outline. B. 95% confidence ellipses of group means and corresponding calculated shell outlines for group means are plotted. Numbers in squared brackets refer to Fig. 2.

Fig. 16 in Ecophenotypic plasticity versus evolutionary trends-morphological variability in Upper Jurassic bivalve shells from Portugal

Fig. 16. Left valve of neomiodontid bivalve Eomiodon sp. from Early Tithonian, Arranhó II member, Santa Cruz (GML 25929) in internal (A) and external (B) views.

Fig. 2 in A new plesiosauroid from the Toarcian (Lower Jurassic) of Alhadas, Portugal

Fig. 2. Details of the rear of the palate and basicranium of the plesiosauroid Lusonectes sauvagei gen. et sp. nov. (MG33) from the Toarcian of Portugal. A. Ventral view, indicating the path of a parasphenoid–basisphenoid suture. B. The flat (unkeeled) surface of the parasphenoid/basisphenoid between the posterior interpterygoid vacuities. C. The extent of the basisphenoid to enclose the posterior margins of the posterior interpterygoid vacuities. The parasphenoid cultriform process is 24 mm long.

Fig. 1 in A new plesiosauroid from the Toarcian (Lower Jurassic) of Alhadas, Portugal

Fig. 1. Skull of the plesiosauroid Lusonectes sauvagei gen et sp. nov. (MG33) from the Toarcian of Portugal, in right lateral (A), left lateral (B), dorsal (C), and ventral (D) views. Photographs (A1–D1), explanatory drawings (A2–D2).

Fig. 4. Strict consensus cladogram resulting from a in A new plesiosauroid from the Toarcian (Lower Jurassic) of Alhadas, Portugal

Fig. 4. Strict consensus cladogram resulting from a reanalysis of the data matrix of Grossmann (2007), with Lusonectes included as an additional operational taxonomic unit. See text for interpretation. SMNS16812 is the holotype of "Plesiopterys wildii" = Seeleyosaurus according to Grossman (2007).

Fig. 3 in A new plesiosauroid from the Toarcian (Lower Jurassic) of Alhadas, Portugal

Fig. 3. Comparative illustration of key anatomical areas of the skull in several Lower Jurassic plesiosauroids. A. Plesiosaurus (redrawn from Storrs 1997). B. Seeleyosaurus (redrawn from Grossmann 2007). C. Occitanosaurus (based on Bardet et al. 1999). D. Hydrorion (based on Maisch and Rücklin 2000; Grossmann 2006). E. Microcleidus (based on BMNH 36184, AS personal observation). F. Lusonectes sauvagei gen. et sp. nov. An alternative interpretation of Occitanosaurus suggests that the pterygoids met on the midline behind the posterior interpterygoid vacuity (Mark Evans, personal communication 2010). A1–F1,ventral surface of the braincase; A2–F2, lateral view of the cheek region (with the jugal highlighted in grey; anterior to the left). Not to scale.