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58 results for “Sinemurian”
Figure 14 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 14. Coronal and transverse views of the early diverging metriorhynchoid Eoneustes gaudryi (NHMUK PV R 3263) showing the snout internal anatomy. The coloured lines on the skull 3D reconstruction (C) corresponds to the coloured panels* in coronal (A) and transverse (B) views. COS = cancellous osseous structure* DAC = dorsal alveolar canal. Scale bars equal 20 mm.
Figure 9 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 9. Thalattosuchia indeterminabilis (NHMUK PV R 36711). Best preserved dorsal vertebra* in lateral (A)* ventral (B)* caudal (C)* and dorsal (E) views. The second preserved dorsal vertebra* in oblique views (D and F). Scale bar equals 10 mm. Abbreviations: CEN* centrum; POZ* postzygapophysis; PRZ* prezygapophyses; TRP* transverse process.
Figure 11 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 11. The strict consensus topology of the extended implied weighting (k = 15) analysis. Length = 4180* fit = 111.563* CI = 0.301* RI = 0.830* RC = 0.250* HI = 0.699* number of most parsimonious cladograms = 4500. Phylogeny pruned to highlight Thalattosuchia (see Supporting Information* Appendix S2: Fig. S4 for the entire topology). A* Thalattosuchia; B* Neothalattosuchia; C* Teleosauridae; D* Machimosauridae; E* Metriorhynchidae. Green shaded area highlights non-neothalattosuchian thalattosuchians* orange shaded are highlights teleosauroid thalattosuchians* and blue shaded are highlights metriorhynchoid thalattosuchians. Images from PhyloPics.org* with the teleosauroid by Scott Hartman* and the metriorhynchid by Dmitry Bogdanov (vectorized by T. Michael Keesey)* no changes were made* and their license is: https://creativecommons.org/licenses/by/3.0/.
Figure 12 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 12. Coronal views of the metriorhynchid Ŋalatosuchus superciliosus (NHMUK PV R 11999) showing the snout internal anatomy. The coloured line on the skull 3D reconstruction (D) corresponds to the coloured panels (A–C). COS = cancellous osseous structure* DAC = dorsal alveolar canal. Scale bars equal 20 mm.
Figure 19 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 19. Coronal views of the extant gavialid Gaoialis gangeticus (UF-herp-118998* adult individual) showing the snout internal anatomy. The coloured lines on the skull 3D reconstruction (C) corresponds to the coloured panels (A–B). DAC = dorsal alveolar canal* PS = paranasal sinus. Scale bars equal 20 cm.
Figure 7 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 7. Thalattosuchia indeterminabilis (NHMUK PV R 9731)* in cranial and caudal views. Axis* in caudal (A) and cranial (F) views. Third cervical vertebra* in caudal (B) and cranial (G) views. Fourth cervical vertebra* in caudal (C) and cranial (H) views. Fifth cervical vertebra* in caudal (D) and cranial (I) views. Sixth cervical vertebra* in caudal (E) and cranial (J) views. Scale bar equals 10 mm. Abbreviations: CEN* centrum; CRR* cervical rib; DIA* diapophysis; NEC* neural canal; NSP* neural spine; POZ* postzygapophysis; PRZ* prezygapophysis.
Figure 8 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 8. Thalattosuchia indeterminabilis (NHMUK PV R 9731) ribs. Right axial rib* in lateral (A) and medial (E) views. Left axial rib* in lateral (B) and medial (F) views. Postaxial cervical rib in lateral (C) and medial (G) views. Postaxial rib in lateral (D) and medial (H) views. Scale bar equals 10 mm. Abbreviations: CAP* capitulum; TUB* tuberculum.
Figure 6 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 6. Thalattosuchia indeterminabilis (NHMUK PV R 9731). A* lateral view; B* dorsal view; C* ventral view. Scale bar equals 10 mm. Abbreviations: CEN* centrum; CRR* cervical rib; DIA* diapophysis; NSP* neural spine; PAR* parapophysis; POZ* postzygapophysis; PRZ* prezygapophysis.
Figure 5 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 5. Reconstruction of the internal cancellous cavities of the 'Sinemurian snout' (NHMUK PV R 36710). A* dorsal view; B* right lateral view; C* ventral view. Scale bars equal 10 mm. Abbreviations: COS* cancellous osseous structures.
Figure 4 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 4. Reconstruction of the neurovasculature and alveoli of the 'Sinemurian snout' (NHMUK PV R 36710). A* dorsal view; B* right lateral view; C* ventral view. Scale bars equal 10 mm. Abbreviations: Alv* alveolus; DAC* dorsal alveolar canal; Trig* trigeminal canal.
Figure 13 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 13. Coronal and transverse views of the geosaurine metriorhynchid Torooneustes coryphaeus (MJML K1863) showing the snout internal anatomy. The coloured lines on the skull 3D reconstruction (C) corresponds to the coloured panels* in coronal (A) and transverse (B) views. COS = cancellous osseous structure* DAC = dorsal alveolar canal. Scale bars equal 20 mm.
Figure 24 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 24. Coronal and transverse views of the extant crocodylid Osteolaemus tetraspis (FMNH 98396* subadult individual) showing the snout internal anatomy. The coloured lines on the skull 3D reconstruction (D) corresponds to the coloured panels* in coronal (A and B) and transverse (C) views. DAC = dorsal alveolar canal* PS = paranasal sinus. Scale bars equal 5 mm.
Figure 10 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 10. The strict consensus topology of the equal weights' analysis. Length = 4166* CI = 0.302* RI = 0.831* RC = 0.251* HI = 0.698* number of most parsimonious cladograms hit the hold limit. Phylogeny pruned to highlight Thalattosuchia (see Supporting Information* Appendix S2: Fig. S3 for the entire topology). A* Thalattosuchia; B* Neothalattosuchia; C* Teleosauridae; D* Machimosauridae; E* Metriorhynchidae. Green shaded area highlights non-neothalattosuchian thalattosuchians* orange shaded area highlights teleosauroid thalattosuchians* and blue shaded area highlights metriorhynchoid thalattosuchians. Images from PhyloPics.org* with the teleosauroid by Scott Hartman* and the metriorhynchid by Dmitry Bogdanov (vectorized by T. Michael Keesey)* no changes were made* and their license is: https://creativecommons.org/licenses/by/3.0/.
Figure 3 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 3. Reconstruction of the internal anatomy of the 'Sinemurian snout' (NHMUK PV R 36710). A* dorsal view; B* right lateral view; C* ventral view. Scale bars equal 10 mm. Abbreviations: Alv* alveolus; COS* cancellous osseous structure; DAC* dorsal alveolar canal; NC* nasal cavity; Trig* trigeminal canal.
Figure 1 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 1. Photographs of the 'Sinemurian snout' (NHMUK PV R 36710). A* dorsal view; B* ventral view; C* right lateral view; D* left lateral view; E* caudal view; F* rostral view. Scale bar equals 10 mm. Abbreviations: Alv* alveolus; Max* maxilla; Nas* nasal; NC* nasal cavity; vom* vomer.
Figure 2 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 2. CT reconstruction of the 'Sinemurian snout' (NHMUK PV R 36710). A* dorsal view; B* right lateral view; C* ventral view. Scale bars equal 10 mm. Abbreviations: Alv* alveolus; Max* maxilla; Nas* nasal; NC* nasal cavity; vom* vomer.
Figure 21 in A revision of the early neotheropod genus Sarcosaurus from the Early Jurassic (Hettangian-Sinemurian) of central England
Figure 21. Life reconstruction of the non-averostran neotheropod Sarcosaurus woodi from the late Hettangian−early Sinemurian of central England. Artwork by Mark Witton, who retains the copyright.
Figure 20 in A revision of the early neotheropod genus Sarcosaurus from the Early Jurassic (Hettangian-Sinemurian) of central England
Figure 20. Comparison among partial ilia in lateral view (A, B) and tibiae in distal view (C−J) of selected neotheropod species. Dilophosaurus wetherilli (A, F), Sarcosaurus woodi (B, G, H), Coelophysis bauri (C), Liliensternus liliensterni (D), Zupaysaurus rougieri (E), Tachiraptor admirabilis (I) and Piatnitzkysaurus floresi (J). UCMP 37302 (A), NHMUK PV R4840 (B), AMNH unnumbered, reversed (C), HMN MB.R. 2175 (D), PULR 076 (E), UCMP 77270 (F), composite reconstruction using WARMS G668, 680 (G), NHMUK PV R3542 (H), LPRP/USP 0747, cast of IVIC-P-2867 (I) and MACN-Pv CH 895, reversed (J). Arrows point towards anterior direction. Abbreviations: fap, facet for reception of ascending process of astragalus; isp, ischiadic peduncle; pla, plaster; plp, posterolateral process; pmr, posteromedial ridge; pmn, posteromedial notch; poap, postacetabular process; prap, preacetabular process; pub, pubis; vmbf, ventromedial margin of brevis fossa. C−J, not to scale.
Figure 19 in A revision of the early neotheropod genus Sarcosaurus from the Early Jurassic (Hettangian-Sinemurian) of central England
Figure 19. Time-calibrated strict consensus tree showing the phylogenetic relationships of selected non-neotheropod and all neotheropod species sampled in the phylogenetic analysis. Values next to each branch represent Bremer support, absolute bootstrap frequency, and GC bootstrap frequency, respectively. Thick black bars with a vertical line represent the chronostratigraphic uncertainty of taxa and thick black bars without a vertical line represent biochrons.
Figure 18 in A revision of the early neotheropod genus Sarcosaurus from the Early Jurassic (Hettangian-Sinemurian) of central England
Figure 18. Right tibia of referred specimen of Sarcosaurus woodi, NHMUK PV R3542 (holotype of 'Sarcosaurus andrewsi'). Photographs (A−F) and surface scan (G) in lateral (A), medial (B), anterior (C), posterior (D), proximal (E), distal (F) and medial and slightly anterior (G) views. Arrows point towards anterior direction. Abbreviations: adt, anterior diagonal tuberosity; cn, cnemial crest; fap, facet for reception of ascending process of astragalus; fc, fibular crest; mma, medial malleolus; pamr, paramarginal ridge; pc, posterior hemicondyles; plp, posterolateral process; pmn, posteromedial notch; pmr, posteromedial ridge.
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