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617 results for “Early Jurassic”
FIGURE 3 in First record and a new species of the fossil dragonfly genus Proinogomphus (Odonata: Liassogomphidae) from the Early Jurassic of Bascharage in the Grand Duchy of Luxembourg
FIGURE 3. Photograph of counter plate of the holotype of Proinogomphus kreuzerorum sp. nov., in private collection Kreuzer. Scale bar = 5 mm.
FIGURE 1 in First record and a new species of the fossil dragonfly genus Proinogomphus (Odonata: Liassogomphidae) from the Early Jurassic of Bascharage in the Grand Duchy of Luxembourg
FIGURE 1. Photograph of the calcareous lens with the holotype SMNS 67854 of Proinogomphus kreuzerorum sp. nov. Scale bar = 20 mm.
text-fig. 5. Skull reconstructions of representatives of Jurassic OTUs in left lateral view, a, Dilophosaurus wetherilli, Early Jurassic (Sinemurian-Pliensbachian), Kayenta Formation, Arizona, USA; based on UCMP V 4214 and V 6468. B, Syntarsus rhodesiensis, Early Jurassic (Hettangian-Sinemurian), Forest Sandstone, Zimbabwe; composite reconstruction based on many isolated skull elements from the National Museum of Natural History in Harare (see Appendix), c, Magnosaurus oxoniensis, Middle Jurassic (Callovian), Oxford Clay, England; based on OUM J 13558, unpreserved elements shaded. D, Monolophosaurus jiangi, Middle Jurassic, Wucaiwan Formation, China; redrawn from Zhao and Currie (1993b). E, Allosaurus fragilis, Late Jurassic (Kimmeridgian-Tithonian), Morrison Formation, USA; based on MOR 693. f, basal bird Archaeopteryx sp., Late Jurassic (Tithonian), lithographic limestones of Solnhofen, Germany; based on Wellnhofer (1974), Elzanowski and Wellnhofer (1996), and the Berlin, Eichstätt, and Munich specimens. G, Ceratosaurus sp., Late Jurassic (Kimmeridgian-Tithonian), Morrison Formation, USA; based on USNM 4735 and UMNH VP 5278. H, Ornitholestes hermanni, Late Jurassic (Kimmeridgian-Tithonian), Morrison Formation, USA, based on AMNH 619. Abbreviations as in Text-figure 4, and: If, lacrimal fenestra; mf, maxillary fenestra; nf, nasal foramen; pmf, promaxillary fenestra. Scale bars represent 10 mm (b, f, h), 50 mm (c) and 100 mm (a, d, e, g). in The interrelationships and evolution of basal theropod dinosaurs
text-fig. 5. Skull reconstructions of representatives of Jurassic OTUs in left lateral view, a, Dilophosaurus wetherilli, Early Jurassic (Sinemurian-Pliensbachian), Kayenta Formation, Arizona, USA; based on UCMP V 4214 and V 6468. B, Syntarsus rhodesiensis, Early Jurassic (Hettangian-Sinemurian), Forest Sandstone, Zimbabwe; composite reconstruction based on many isolated skull elements from the National Museum of Natural History in Harare (see Appendix), c, Magnosaurus oxoniensis, Middle Jurassic (Callovian), Oxford Clay, England; based on OUM J 13558, unpreserved elements shaded. D, Monolophosaurus jiangi, Middle Jurassic, Wucaiwan Formation, China; redrawn from Zhao and Currie (1993b). E, Allosaurus fragilis, Late Jurassic (Kimmeridgian-Tithonian), Morrison Formation, USA; based on MOR 693. f, basal bird Archaeopteryx sp., Late Jurassic (Tithonian), lithographic limestones of Solnhofen, Germany; based on Wellnhofer (1974), Elzanowski and Wellnhofer (1996), and the Berlin, Eichstätt, and Munich specimens. G, Ceratosaurus sp., Late Jurassic (Kimmeridgian-Tithonian), Morrison Formation, USA; based on USNM 4735 and UMNH VP 5278. H, Ornitholestes hermanni, Late Jurassic (Kimmeridgian-Tithonian), Morrison Formation, USA, based on AMNH 619. Abbreviations as in Text-figure 4, and: If, lacrimal fenestra; mf, maxillary fenestra; nf, nasal foramen; pmf, promaxillary fenestra. Scale bars represent 10 mm (b, f, h), 50 mm (c) and 100 mm (a, d, e, g).
text-fig. 4. Skull reconstructions of representatives of riassic OTUs in left lateral view, a, Euparkeria capensis, Early Triassic (Scythian-Anisian), Beaufort Group, South Africa; redrawn from Ewer (1965). B, basal ornithischian Lesothosaurus diagnostics, Early Jurassic (Hettangian-Sinemurian), Elliot Formation, Lesotho; redrawn from Sereno (1991b). c, prosauropod sauropodomorph Plateosaurus sp., Late riassic (Norian), Knollenmergel, Germany; based on MB R. 1937. D, Eoraptor lunensis, Late Triassic (Camian), Ischigualasto Formation, Argentina; based on PVSJ 512. E, Herrerasaurus ischigualastensis, Late Triassic (Camian), Ischigualasto Formation, Argentina; redrawn from Sereno and Novas (1993). F, Coelophysis bauri, Late riassic (Norian), Chinle Formation, south-western USA; modified from Paul (1993). G, Lilienstemus lilienstemi, Late riassic (Norian), Knollenmergel, Germany; based on MB R. 2175, unpreserved elements shaded. H, Shuvosaurus inexpectatus, Late riassic (Norian), Dockum Group, Texas, USA; based on TU P 9280. Abbreviations: a, angular; aof, antorbital fenestra; d, dentary; emf, external mandibular fenestra; en, external nares; eo, exoccipital; f, frontal; itf, infratemporal fenestra; j, jugal; 1, lacrimal; m, maxilla; n, nasal; o, orbit; oc, occipital condyle; op, opisthotic; pa, parietal; pd, predentary; pm, premaxilla; pm-mf, premaxillary-maxillary fenestra; po, postorbital; pof, postfrontal; q, quadrate; qf, quadrate foramen; qj, quadratojugal; sa, surangular; saf, surangular foramen; snf, subnarial foramen; sob, supraorbital; soc, supraoccipital; sp, splenial; sq, squamosal; stf, supratemporal fenestra. Scale bars represent 10 mm (a-b) and 50 mm (c-H). in The interrelationships and evolution of basal theropod dinosaurs
text-fig. 4. Skull reconstructions of representatives of riassic OTUs in left lateral view, a, Euparkeria capensis, Early Triassic (Scythian-Anisian), Beaufort Group, South Africa; redrawn from Ewer (1965). B, basal ornithischian Lesothosaurus diagnostics, Early Jurassic (Hettangian-Sinemurian), Elliot Formation, Lesotho; redrawn from Sereno (1991b). c, prosauropod sauropodomorph Plateosaurus sp., Late riassic (Norian), Knollenmergel, Germany; based on MB R. 1937. D, Eoraptor lunensis, Late Triassic (Camian), Ischigualasto Formation, Argentina; based on PVSJ 512. E, Herrerasaurus ischigualastensis, Late Triassic (Camian), Ischigualasto Formation, Argentina; redrawn from Sereno and Novas (1993). F, Coelophysis bauri, Late riassic (Norian), Chinle Formation, south-western USA; modified from Paul (1993). G, Lilienstemus lilienstemi, Late riassic (Norian), Knollenmergel, Germany; based on MB R. 2175, unpreserved elements shaded. H, Shuvosaurus inexpectatus, Late riassic (Norian), Dockum Group, Texas, USA; based on TU P 9280. Abbreviations: a, angular; aof, antorbital fenestra; d, dentary; emf, external mandibular fenestra; en, external nares; eo, exoccipital; f, frontal; itf, infratemporal fenestra; j, jugal; 1, lacrimal; m, maxilla; n, nasal; o, orbit; oc, occipital condyle; op, opisthotic; pa, parietal; pd, predentary; pm, premaxilla; pm-mf, premaxillary-maxillary fenestra; po, postorbital; pof, postfrontal; q, quadrate; qf, quadrate foramen; qj, quadratojugal; sa, surangular; saf, surangular foramen; snf, subnarial foramen; sob, supraorbital; soc, supraoccipital; sp, splenial; sq, squamosal; stf, supratemporal fenestra. Scale bars represent 10 mm (a-b) and 50 mm (c-H).
Figure 23 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 23. Coronal and transverse views of the extant crocodylid Crocodylus rhombifer (MNB AB50.0171* adult individual) 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. PS = paranasal sinus. Scale bars equal 10 mm.
Figure 22 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 22. Coronal and transverse views of the extant alligatorid Alligator mississippiensis (USNM 211233* adult individual) 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 40 mm.
Figure 20 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 20. Coronal and transverse views of the extant gavialid Tomistoma schlegelii (USNM 211322* adult individual) 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. DAC = dorsal alveolar canal* PS = paranasal sinus. Scale bars equal 20 cm.
Figure 21 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 21. Coronal and transverse views of the extant gavialid Tomistoma schlegelii (TMM M-6342* subadult individual) 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* PS = paranasal sinus. Scale bars equal 10 mm.
Figure 18 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 18. Coronal and transverse views of the protosuchid Protosuchus haughtoni (BP 14880) 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. Scale bars equal 5 mm.
Figure 17 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 17. Coronal and transverse views of the non-neothalattosuchian thalattosuchian ('Sinemurian snout'* NHMUK PV R 36710) 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 10 mm.
Figure 16 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 16. Coronal and transverse views of the non-neothalattosuchian thalattosuchian Plagiophthalmosuchus gracilirostris (NHMUK PV OR 15500) 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 15 in Thalattosuchian crocodylomorphs from the Sinemurian (Early Jurassic) of the UK
Figure 15. Coronal and transverse views of the early diverging metriorhynchoid Pelagosaurus typus (NHMUK PV OR 32599) 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 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.
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Allen Brain Atlas
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