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527 results for “Mesozoic.”
Figure 14 in A new Thai Mesozoic lungfish (Sarcopterygii, Dipnoi) with an insight into post-Palaeozoic dipnoan evolution
Figure 14. Upper and lower tooth plates of lungfishes from various Asian Mesozoic localities referred to Ferganoceratodus. The upper row shows the plates with their actual position (right or left side) and respective size; the lower row shows the plates adjusted to a similar size and position for comparison.
Figure 13 in A new Thai Mesozoic lungfish (Sarcopterygii, Dipnoi) with an insight into post-Palaeozoic dipnoan evolution
Figure 13. Anteriormost ribs of Ferganoceratodus martini sp. nov. (holotype, TF 7712) in?dorsal view. Anterior extremity to the left. Scale bars: 20 mm.
Figure 11 in A new Thai Mesozoic lungfish (Sarcopterygii, Dipnoi) with an insight into post-Palaeozoic dipnoan evolution
Figure 11. Tooth plate microstructure of Ferganoceratodus martini sp. nov. (holotype, TF 7712). A, limit between the tooth plate and the supporting bone, with the base of the pulp cavity (on the left). B, detail of the spongy bone forming the base of the pulp cavity. C, fibrous structure of the spongy bone. D, occlusal surface showing ridges and pits. E, detail of pits.
Figure 12 in A new Thai Mesozoic lungfish (Sarcopterygii, Dipnoi) with an insight into post-Palaeozoic dipnoan evolution
Figure 12. Reconstruction of a scale of Ferganoceratodus martini sp. nov. (top) with locations of the micrographs of details from the holotype (TF 7712) (A–D). Anterior region in section (A) and dorsal view (C), and posterior region (B and D). Arrow indicates anterior end.
Figure 9 in A new Thai Mesozoic lungfish (Sarcopterygii, Dipnoi) with an insight into post-Palaeozoic dipnoan evolution
Figure 9. Ferganoceratodus martini sp. nov. Holotype TF 7712. Photographs of the parasphenoid in dorsal (A) and ventral (B) views. Scale bars: 15 mm.
Figure 10 in A new Thai Mesozoic lungfish (Sarcopterygii, Dipnoi) with an insight into post-Palaeozoic dipnoan evolution
Figure 10. Photographs and drawings of the mandible of Ferganoceratodus martini sp. nov. (holotype, TF 7712) in occlusal (A) and ventral (B) views. Scale bars: 15 mm. Note that the drawings were made with both hemi-mandibles in a slightly shifted position, respectively, to the photographs.
Figure 8 in A new Thai Mesozoic lungfish (Sarcopterygii, Dipnoi) with an insight into post-Palaeozoic dipnoan evolution
Figure 8. Ferganoceratodus martini sp. nov. Holotype TF 7712. Vomerine tooth. A, anterior or posterior view; B and C, basal views.
Figure 7 in A new Thai Mesozoic lungfish (Sarcopterygii, Dipnoi) with an insight into post-Palaeozoic dipnoan evolution
Figure 7. Ferganoceratodus martini sp. nov. Holotype TF 7712. Photographs and interpretative drawings of the pterygoids and upper tooth plates in occlusal view. Scale bars: 15 mm.
Figure 4 in A new Thai Mesozoic lungfish (Sarcopterygii, Dipnoi) with an insight into post-Palaeozoic dipnoan evolution
Figure 4. Semi-schematic drawings of the skulls of various taxa mentioned in the text. The sensory lines and canals are shown on the left part of the skull roofs with bold lines (canals above the bones) and dotted lines (canals bone-enclosed). Grey tone indicates cartilage (in dorsal views only) and shading tone indicates mineralization of the 'hard snout'.
Figure 3 in A new Thai Mesozoic lungfish (Sarcopterygii, Dipnoi) with an insight into post-Palaeozoic dipnoan evolution
Figure 3. Ferganoceratodus martini sp. nov. Holotype TF 7712. Photographs and interpretative drawings of the skull roof and upper tooth plates in dorsal views (A), internal views (B), anterior view with the lower jaw (C) and photograph in left lateral view (D). Scale bars: 30 mm.
Figure 2. A in A new Thai Mesozoic lungfish (Sarcopterygii, Dipnoi) with an insight into post-Palaeozoic dipnoan evolution
Figure 2. A, Ferganoceratodus jurassicus Kaznyshkin & Nessov, 1985: ossifications of the skull roof. A, dorsal views; A′, internal views. a, right anterior bone of the mediolateral series (holotype, no. 3/12217); b, anterior bone of the median series; c, left posterior bone of the lateral series; d, posterior bone of the median series. B, occlusal views of upper (a, f) and lower tooth plates (b–e) (material: no. 1-13/12217 and 26-90/12217). Scale bars: 10 mm.
Figure 6 in A new Thai Mesozoic lungfish (Sarcopterygii, Dipnoi) with an insight into post-Palaeozoic dipnoan evolution
Figure 6. Ferganoceratodus martini sp. nov. Holotype TF 7712. General external (A) and internal (A′) views (scale bar: 10 mm) and details (B–G) of a piece of 'hard snout'. B, complete section showing the basal lamellar bone and the network of cavities arranged in successive layers in the upper part; C, detail of the section and D, interpretative drawing, with the levels of cavities indicated with dotted lines. E, external surface showing the variable density of openings; F, detail of the surface and G, interpretative drawing.
Figure 5 in A new Thai Mesozoic lungfish (Sarcopterygii, Dipnoi) with an insight into post-Palaeozoic dipnoan evolution
Figure 5. Ferganoceratodus martini sp. nov. Holotype TF 7712. Photographs and interpretative drawings of the right (a) and left (b) dermosphenotic in ventral (A) and dorsal (B) views. Scale bar: 15 mm.
Figure 5 in The ossified Meckel's cartilage and internal groove in Mesozoic mammaliaforms: implications to origin of the definitive mammalian middle ear
Figure 5. (A) The skull of Zhangheotherium (IVPP V7466). 1, Meckelian groove; 2, ossified Meckel's cartilage; 3, a hyoid element. (B) Medial view of the left mandible with partial ossified Meckel's cartilage of Gobiconodon (IVPP V12585).
Figure 1 in The ossified Meckel's cartilage and internal groove in Mesozoic mammaliaforms: implications to origin of the definitive mammalian middle ear
Figure 1. The right mandible and ossified Meckel's cartilage (OMC) of Repenomamus (holotype, IVPP V12549). (A & B) Medial views of the mandible with the OMC being removed in (A); (C) dorsomedial view; (D) ventral view; (E) radiographic image of the mandible; (F) a hyoid element from IVPP V12728. Modified from Wang et al. (2001).
Figure 4 in The ossified Meckel's cartilage and internal groove in Mesozoic mammaliaforms: implications to origin of the definitive mammalian middle ear
Figure 4. Ossified Meckel's cartilages (OMC) of Repenomamus. (A–D) Ventral, lateral, dorsal, and medial views of the OMC in IVPP V12549; (E–H) the same views of the OMC in IVPP V12728.
Figure 1 in First record of fossil Mesozoic Ctenopoda (Crustacea, Cladocera)
Figure 1. Archelatona zherikhini gen. nov., sp. nov., paratypes, Khutel Khara, Mongolia, Lower Cretaceous. (A) Whole body, impression PIN 3965/3333. (B) The same fragment, mandibles and thoracic limbs. (C) Filtering setae on thoracic limbs. (D) Rami of swimming antenna, and other impressions on fragment PIN 3965/3333. (E) Rami of swimming antenna, PIN 3965/3334. (F) Rami of swimming antenna, PIN 3965/3332. Scale bars: A, 1000 µm; B–F, 100 µm.
Figure 2 in First record of fossil Mesozoic Ctenopoda (Crustacea, Cladocera)
Figure 2. Archelatona zherikhini gen. nov., sp. nov., holotype, Khutel Khara, Mongolia, Lower Cretaceous, PIN 3965/ 3332 (A–D), and Sididae indet. from Khotont, Jurassic/Cretaceous boundary, PIN 4307/2005 (E–F). (A) Rami of swimming antenna. (B) Articulation of segments of antennal exopod. (C) Reconstruction of antennal rami. (D) Distal segment of exopod. (E,F) Rami of swimming antenna, and their reconstruction. Scale bars: 100 µm.
Figure 11 in Feeding mechanics in Triassic stem-group sauropterygians: the anatomy of a successful invasion of Mesozoic seas
Figure 11. Hypothetical reconstruction of the jaw adductor musculature in Cymatosaurus sp. A–C, Successively deeper layers of dissection. Abbreviations: amem, m. adductor mandibulae externus medialis; amep, m. adductor mandibulae externus profundus; ames-1b, 1b-portion of m. adductor mandibulae externus superficialis; amp, m. adductor mandibulae posterior; bo.ap, bodenaponeurosis; dm, depressor mandibulae; m.ps, m. pseudotemporalis; m.pt, m. pterygoideus; V2, maxillary branch of trigeminal nerve; V3, mandibular branch of trigeminal nerve.
Figure 4 in Feeding mechanics in Triassic stem-group sauropterygians: the anatomy of a successful invasion of Mesozoic seas
Figure 4. Analysis of the jaw mechanics in Placodus on the basis of the model derived by Druzinsky & Greaves (1979). For further discussion see text. Abbreviations: A, B, location of the mandibular joints; E, location of the apex of the coronoid process; bp, bite point in the centre of the posterior dentary tooth plate; F1, f1, resultant vertical muscle force (F1, acting perpendicular to the plane of the drawing) and fulcrum (f1); F2, f2, adductive component of the resultant muscle force generated by posterodorsally inclined muscles (F2, acting perpendicular to the plane of the drawing), and fulcrum (f2)
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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