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Fig. 1 in A new dyrosaurid crocodyliform from the Palaeocene of Morocco and a phylogenetic analysis of Dyrosauridae

Fig. 1. Geographical position of the type locality. A. Geographical position of the Ouled Abdoun Basin (Morocco) in the Palaeocene deposit of Africa, (shaded area); modified from Capetta (1972). B. Simplified geological map of the Ouled Abdoun Basin; Sidi Chenane is the type locality (modified from Salvan 1952).

FIG. 8 in The youngest known South American dyrosaurid (Late Paleocene of Colombia), and evolution of Dyrosauridae (Crocodyliformes: Tethysuchia)

FIG. 8. — Comparison of taxic and phylogenetically corrected diversity with various extrinsic factors, such as proxies for temperatures, sea surface temperatures, and sea level: A, taxic and phylogenetically corrected diversity (dashed lines) (for data, see Appendix 3); B, δO18 data and mean and polynomial curves used as proxy for temperatures (Cramer et al. 2009; for data, see Appendix 4); C, mean temperatures (Grossman & Joachimski 2022; for data, see Appendix 5); D, δO18 data and mean and polynomial curves as proxies for sea surface temperatures (PhanSST global database, Judd et al. 2022; for data, see Appendix 6); E, sea level (Miller et al. 2005; for data, see Appendix 7).

FIG. 6 in The youngest known South American dyrosaurid (Late Paleocene of Colombia), and evolution of Dyrosauridae (Crocodyliformes: Tethysuchia)

FIG. 6. — Stratigraphical distribution of South and North American dyrosaurids. The possible Priabonian North American dyrosaurid is not figured.

FIG. 5 in The youngest known South American dyrosaurid (Late Paleocene of Colombia), and evolution of Dyrosauridae (Crocodyliformes: Tethysuchia)

FIG. 5. — Estimated length (star) based on measurements of centrum lengths and total lengths of 30 crocodylians (gray dots) by Iijima & Kubo (2020) (Appendix 2).

FIG. 7 in The youngest known South American dyrosaurid (Late Paleocene of Colombia), and evolution of Dyrosauridae (Crocodyliformes: Tethysuchia)

FIG. 7. — Geographical distribution of dyrosaurids from Late Cretaceous to middle Eocene. The Late Cretaceous map is represented by the Maastrichtian, the Paleocene by the Selandian, and the Lutetian-Bartonian by the Bartonian. Paleogeographic maps from Scotese (2014), modified from Markwick & Valdes (2004), Gayet et al. 1993, Boucot et al. 2013 and Jouve (2021). Circled numbers correspond to the number of species present in the locality. Yellow circle is the location of the specimen described herein

FIG. 3 in The youngest known South American dyrosaurid (Late Paleocene of Colombia), and evolution of Dyrosauridae (Crocodyliformes: Tethysuchia)

FIG. 3. — Outcrop, greenish gray mudstone where the vertebra UN-DG-Rp-1001 was collected, near the base of the Jacob's staff.

FIG. 4 in The youngest known South American dyrosaurid (Late Paleocene of Colombia), and evolution of Dyrosauridae (Crocodyliformes: Tethysuchia)

FIG. 4. — Actual (A, B) and 3D model (C-H) pictures of anterior dorsal (D4 or D5) vertebra UN-DG-Rp-1001 of the Piñalerita Section, Cuervos Formation (ThanetianYpresian). Views: A, anterior; B, right lateral; C, anterior; D, posterior; E, right lateral; F, left lateral; G, dorsal; H, ventral.Abbreviations: d, diapophysis; z, prezygapophysis; z', postzygapophysis; ns, neural spine; p, parapophysis; h, hypapophysis; ncs, neurocentral suture. The 3D model of the vertebra is provided in Appendix 1.

FIG. 1 in The youngest known South American dyrosaurid (Late Paleocene of Colombia), and evolution of Dyrosauridae (Crocodyliformes: Tethysuchia)

FIG. 1. — Geographical and geological context of the locality reported: A, localities with dyrosaurids in Colombia: Cerrejon Mine, Ortega (?) and Piñalerita Section (this study); B, geological map of the new locality, north of Sabanalarga town.

Figure 23 in A new species of Dyrosaurus (Crocodylomorpha, Dyrosauridae) from the early Eocene of Morocco: phylogenetic implications

Figure 23. Cladogram showing the phylogenetic relationships of the Crocodylomorpha, based on the strict consensus of 124 most parsimonious trees [length, 767; Consistency Index (CI) (excluding autapomorphies), 0.35; Retention Index (RI), 0.64; Rescaled Consistency Index (RC), 0.23] using PAUP (version 4.0b10) (Swofford, 2002). Decay indices (Bremer, 1994) indicated for each node in italic.

Figure 25 in A new species of Dyrosaurus (Crocodylomorpha, Dyrosauridae) from the early Eocene of Morocco: phylogenetic implications

Figure 25. Comparison of various phylogenetic relationships of longirostrine taxa: A, present work; B, after Buckley & Brochu (1999), Brochu et al. (2002), and Pol (2003); C, after Wu et al. (2001a); D, after Sereno et al. (2001, 2003); E, after Wu et al. (1997) and Larsson & Gado (2000).

Figure 22 in A new species of Dyrosaurus (Crocodylomorpha, Dyrosauridae) from the early Eocene of Morocco: phylogenetic implications

Figure 22. Reconstruction of Dyrosaurus maghribensis sp. nov. from the Ypresian of the Oulad Abdoun Basin, Morocco. Grey, bones described in the present paper; white, unknown.

Figure 21 in A new species of Dyrosaurus (Crocodylomorpha, Dyrosauridae) from the early Eocene of Morocco: phylogenetic implications

Figure 21. Ratio between the height of the hypapophysis and the length of the centrum according to the position of the vertebrae for various crocodyliforms (values: see Appendix 1).

Figure 18 in A new species of Dyrosaurus (Crocodylomorpha, Dyrosauridae) from the early Eocene of Morocco: phylogenetic implications

Figure 18. Dyrosaurus maghribensis sp. nov., Ypresian of Mera el Arech, Oulad Abdoun Basin, Morocco: A, B, dorsal view of the dorsal osteoderms (OCP DEK-GE 43); C, ventral view of the anterior dorsal osteoderms (OCP DEK-GE 252); D, reconstruction of an anterior part of the dorsal armour.

Figure 20 in A new species of Dyrosaurus (Crocodylomorpha, Dyrosauridae) from the early Eocene of Morocco: phylogenetic implications

Figure 20. Ratio between the height of the neural spine and the length of the centrum according to the position of the vertebrae for various crocodyliforms (values: see Appendix 1).

Figure 17 in A new species of Dyrosaurus (Crocodylomorpha, Dyrosauridae) from the early Eocene of Morocco: phylogenetic implications

Figure 17. Pelvic girdle of Dyrosaurus maghribensis sp. nov., Ypresian of Mera el Arech, Oulad Abdoun Basin, Morocco: A, left illium and ischium (OCP DEK-GE 252) in lateral view; B, right illium and ischium (OCP DEK-GE 254) in medial view; C, pubis (OCP DEK-GE 259) in ventral view; D, reconstruction of the pelvic girdle in left lateral view.

Figure 16 in A new species of Dyrosaurus (Crocodylomorpha, Dyrosauridae) from the early Eocene of Morocco: phylogenetic implications

Figure 16. Dyrosaurus maghribensis sp. nov., Ypresian of Mera el Arech, Oulad Abdoun Basin, Morocco, in dorsal view: A, left manus of OCP DEK-GE 252 in dorsal view; B, left foot of OCP DEK-GE 252.

Figure 15 in A new species of Dyrosaurus (Crocodylomorpha, Dyrosauridae) from the early Eocene of Morocco: phylogenetic implications

Figure 15. Interclavicle of Dyrosaurus maghribensis sp. nov., OCP DEK-GE 254, Ypresian of Mera el Arech, Oulad Abdoun Basin, Morocco, in lateral view.

Figure 14 in A new species of Dyrosaurus (Crocodylomorpha, Dyrosauridae) from the early Eocene of Morocco: phylogenetic implications

Figure 14. Right scapula and coracoid of Dyrosaurus maghribensis sp. nov., OCP DEK-GE 254, Ypresian of Mera el Arech, Oulad Abdoun Basin, Morocco: A, lateral view; B, lateroventral view; C, interpretative drawing of (A) and (B).

Figure 11 in A new species of Dyrosaurus (Crocodylomorpha, Dyrosauridae) from the early Eocene of Morocco: phylogenetic implications

Figure 11. Vertebral column of Dyrosaurus maghribensis sp. nov., OCP DEK-GE 254 and OCP DEK-GE 255, Ypresian of Mera el Arech, Oulad Abdoun Basin, Morocco, in lateral view. Cervicals and dorsals are from OCP DEK-GE 254, sacrals and caudals are from OCP DEK-GE 255.

Figure 10 in A new species of Dyrosaurus (Crocodylomorpha, Dyrosauridae) from the early Eocene of Morocco: phylogenetic implications

Figure 10. Posterior part of the left mandibular ramus of Dyrosaurus maghribensis sp. nov., OCP DEK-GE 253, Ypresian of Mera el Arech, Oulad Abdoun Basin, Morocco: A, lateral view; B, dorsal view; C, medial view.