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751 results for “geology”
Figure 138 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 138 Dentary fragments likely referable to Carcharodontosaurus saharicus. NMC 41859 in (A) right lateral, (B) medial and (C) dorsal (occlusal) view. FSAC-KK 02 in (D) dorsal (occlusal) and (E) medial view. NMC 41859 matched with the dentary of Giganotosaurus carolinii (MUCPv-95, redrawn and reversed from Calvo and Coria 1998) in (F) right lateral, (G) medial and (H) dorsal (occlusal) view. Scale bars equal 10 cm in A-E and 10 cm in F-H. F-G adjusted to same size (MUCPv-95 is 610 mm long, Calvo and Coria 1998).
Figure 122 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 122 Dentary fragments of Spinosaurus aegyptiacus from the Kem Kem Group. Anterior section of the left dentary (IMPG 969-1) in (A) lateral and (B) dorsal view. Posterior section of the left dentary (IMPG 969-2) in (C) lateral and (D) medial view. Part and counterpart aligned in (E) lateral and (F) dorsal view. The two specimens clearly belong to the same jaw section and individual (contraBuffetaut 1989, 1992). Scale bar equals 10 cm in A-D. Abbreviations: ad alveolus in the dentary t tooth.
Figure 15 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 15 Generalized lithostratigraphic sections of the Kem Kem Group from Douira in the north to Hassi Zguilma in the south. Vertical scale bar equals 100 m.
Figure 119 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 119 Tooth of Spinosaurus aegyptiacus (FSAC-KK 08) from the Kem Kem Group in (A) side, (B) opposing side and (C) basal view. Scale bar equals 5 cm.
Figure 140 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 140 Reconstruction of the cranium of Carcharodontosaurus saharicus in left lateral view (premaxilla shortened, after Sereno et al. 1996).
Figure 118 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 118 Deltadromeus agilis from Morocco and Egypt. A Revised reconstruction based on UCRC PV11 B Holotype compared to a large femur (now lost) referred to the genus and species from the Bahariya Formation, Egypt. Known elements in white. Scale bars: 1 m.
Figure 117 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 117 Left metatarsals of Deltadromeus agilis (UCRC PV11). A Lateral view B Detailed view of the first phalanx of digit IV. Scale bar equals 10 cm in A. Abbreviations: mt III, IV metatarsal III, IV ph IV-1 phalanx 1 of digit IV.
Figure 125 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 125 Dentary portion of Spinosaurus aegyptiacus from the Kem Kem Group. NHMUK VP 16421 in (A) left lateral, (B) medial, (C) dorsal (occlusal), (D) anterior and (E) posterior view. F Detailed view of dentary alveolus. Size comparison of (G) the anterior end of the dentary of Spinosaurus aegyptiacus (NHMUK VP 16421) and (H) the partial dentary of Baryonyx walkeri (NHMUK VP R9951). Scale bars equal 20 cm in A-E, 10 cm in G and H.
Figure 12 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 12 Paleozoic strata in the Kem Kem and Tafilalt regions. A Unconformity at Iferda N'Ahouar B Devonian outcrop at Hmar Lakhdad (Fig. 9: locality 15) C Geopetal infill structures in Devonian strata near Hmar Lakhdad. Abbreviations: K Cretaceous Pz Paleozoic.
Figure 121 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 121 Dentary fragments of Spinosaurus aegyptiacus from the Kem Kem Group. Anterior section of the left dentary (NMC 50833) in (A) left lateral, (B) medial, (C) dorsal, (D) ventral, (E) anterior and (F) posterior view. Symphyseal end of the right dentary (NMC 50832) in (G) lateral, (H) medial, (I) dorsal, (J) ventral, (K) anterior and (L) posterior view. Scale bar equals 10 cm. Abbreviations: ad1 3 alveolus for dentary tooth 1, 3 dl dental lamina Mc Meckel's canal t tooth.
Figure 120 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 120 Dentary fragments of Spinosaurus aegyptiacus from the Kem Kem Group. Dentary section (MPDM 30) in (A) lateral and (B) ?anterior view. Dentary fragment (MNHN-MRS 1513) in (C) lateral and (D) dorsal view. Left dentary fragment with tooth (MSNM V6865) in (E) lateral view. Dentary fragment (MPDM 31, associated with Onchopristis rostral tooth) in (F) dorsal view. Scale bar equals 10 cm. Abbreviations: f foramen rt rostral tooth.
Figure 115 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 115 Excavation and skeletal reconstruction of Deltadromeus agilis. A Excavation of the fibula B Mounted skeletal reconstruction using casts of the holotype UCRC PV11. Scale bar equals 5 cm in A. Length of skeleton in B is about 8 m.
Figure 116 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 116 Well-preserved elements of the right pes of D. agilis. A Digit IV in dorsal view. B Digit III in dorsal view. C Digit II in dorsal view. Scale bar equals 10 cm. Abbreviations: mt II, III metatarsals II, III ph III-1, 2 pedal phalanges 1 and 2 of digit III ph IV-3, 4, 5 pedal phalanges 3-5 of digit IV.
Figure 113 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 113 Abelisaurid maxillae from Madagascar and Niger. A Left maxilla of Majungasaurus crenatissimus (FMNH PR 2100, cast) in lateral view B Left maxilla of Kryptops palaios (MNN GAD1) C Reconstructed skull of Rugops primus (modified from Sereno et al. 2004) with maxilla in gray. D, E Left maxilla of Rugops primus (MNN IGU1) in lateral and medial view. Scale bar equals 10 cm in A, B, D and E.
Figure 112 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 112 Abelisaurid jaw elements and teeth from the Kem Kem Group. Right maxilla (UCPC PV10) in (A) lateral, (B) medial, (C) anterior and (D) dorsal view. ?Abelisaurid tooth (MSNM V6053) in (E) labial view. ?Abelisaurid tooth (NMC 50446) in (F) labial view. Right dentary section (NMC 41861) in (G) lateral and (H) medial view. Scale bars equal 5 cm in A-D, G and H, 2 cm in E and F.
Figure 123 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 123 Comparison of Spinosaurus aegyptiacus rostra from Morocco and Algeria. Moroccan rostra include MSNM V4047 in (A) left lateral view and BMNH 16420 in (B) left lateral view. Algerian rostrum MNHN SAM 124 is shown in (C) dorsal, (D) ventral and (E) anterior view. Scale bars equal 20 cm in A-D, 10 cm in E.
Figure 131 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 131 Teeth from Morocco and Niger referred to Carcharodontosaurus. Teeth of UCRC PV12 (C. saharicus) in (A) labial and (B) lingual view. C Detail of wrinkled enamel D Cross-sectional view. EMPDM 16 in lingual view. F Tooth (UCRC PV163) in lingual view. G Tooth (UCRC PV164) in lingual view. HFSAC-KK 907 in labial view. Scale bars equal 5 cm in A and B, and E-H, 1 cm in C and 3 cm in D. Abbreviation: wr wrinkled enamel.
Figure 19 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 19 Paleozoic rocks underlying the Kem Kem Group. A Jbel Sdila locality. B Close-up of Paleozoic basement.
Figure 134 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 134 Nasal and lacrimal of Carcharodontosaurus saharicus (UCRC PV12). Right nasal in (A) lateral and (B) medial views C Left nasal in medial view. Left lacrimal in (D) lateral and (E) medial view. Scale bar equals 20 cm. Abbreviations: lfo lacrimal fossa nfo narial fossa.
Figure 137 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 137 Posterior skull elements of Carcharodontosaurus saharicus (UCRC PV12). Braincase in (A) ventral, (B) anteroventral view and (C) posterior view. Scale bar equals 10 cm. Abbreviations: f frontal fm foramen magnum is interorbital septum popr paroccipital process.
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