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796 results for “Marsupials”
FIG. 19 in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria
FIG. 19. — Details of left femora; A-F, Dromiciops; G-L, Rhyncholestes; M, Caenolestes; A, G, distal views; B, H, anterior views; C, F, I, K, medial views; D, J, posterior view; E, L, M, proximal views. For numbered designations of specific characters see text. Abbreviations: fgqf, femoral groove for quadriceps femoris; fptgr, femoral patellar groove; Pa, patella; tqf, tendon of quadriceps femoris. Scale bars: A, E, G, L, M, 1 mm; B-D, H-J, F-K, 2 mm.
FIG. 17 in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria
FIG. 17. — Details of innominates; A, B, Dromiciops; A, lateral view; B, dorsal view; C, D, Caenolestes; C, lateral view; D, dorsal view; E, F, Cercartetus; E, lateral view; F, dorsal view. Abbreviation: issp, ischial spine. Scale bar: 2 mm.
FIG. 18 in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria
FIG. 18. — Details of left (A, B, G, H) and right (C-F, I-L) femora; A-F, Caluromys; G-L, Metachirus; A, G, anterior view of proximal third; B, H, posterior view of proximal third; C, I, proximal view of proximal end; D, J, distal view of distal end; E, K, anteri- or view of distal end; F, L, posterior view of distal end. For numbered designations of specific characters see text. Scale bars: 4 mm.
FIG. 20 in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria
FIG. 20. — Details of Caluromys; A, B, left knee complex; A, posteromedial view; B, anterolateral view; C, D, proximal tibia; C, anterior view; D, posterior view; E-G, proximal fibula; E, posteromedial view; F, anterolateral view; G, proximal view. Abbreviations: Fe, femur; FeFi, femorofibular facet; FePf, femoroparafibular facet; FeTil, lateral femorotibial facet; FeTim, medial femorotibial facet; fgqf, femoral groove for quadriceps femoris; Fi, fibula; fihd, fibular head; fsotbr, fibular soleus tuberosity; Pf, parafibula; Ti, tibia; TiFip, proximal tibiofibular facet. Scale bar: 2 mm.
FIG. 14 in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria
FIG. 14. — Details of left radii and ulnae; A-D, Dromiciops; E-H, Caenolestes; A, E, anterior view of distal radius and ulna; B, F, posterior view of distal radius and ulna; C, G, proximal view of radius; D, H, distal view of distal radius and ulna. Abbreviations: Ra, radius; RaLu, radiolunate; RaScCe, radioscaphocentrale facet; rcefo, radial central fossa; rcpr, radial capitular process; rdm, radial distal malleolus; rgecr, radial groove for tendon of extensor carpi radialis; rgedc, radial groove for tendon of extensor digitorum communis; Ul, ulna; UlCn, ulnocuneiform facet; ulst, ulnar styloid process. Scale bar: 1 mm.
FIG. 15 in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria
FIG. 15. — Anterior view of left distal antebrachium, carpus, and metacarpus; A, Dromiciops; B, Caenolestes. Abbreviations: Cn, cuneiform; Lu, lunate; Mg, magnum; Pi, pisiform; Pp, prepollex; Ra, radius; rdm, radial distal malleolus; ScCe, scaphocentrale; Tm, trapezium; Tr, trapezoid; Ul, ulna; ulst, ulnar styloid process; Un, unciform. Scale bar: 2 mm.
FIG. 13 in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria
FIG. 13. — Details of left radii and ulnae; A-D, Caluromys; E-H, Metachirus; A, E, proximal view of radius; B, F, medial view of proximal radius; C, G, anterior view of radius and ulna; D, H, posterior view of radius and ulna. For numbered designations of specific characters see text. Prefixes before the numbers: r, radial; u, ulnar. The scales are for the proximal and distal ends, respectively. Abbreviations: HuRa, humeroradial facet; Ra, radius; RaRas, radius-radial sesamoid facet; RaScCe, radioscaphocentrale facet; RaUlp, proximal radioulnar facet; rbbrt, radial biceps brachii tuberosity; rcefo,; rcpr, radial capitular process; rdm, radial distal malleolus; rmcr, radial medial crest; Ul, ulna; UlCn, ulnocuneiform facet; ulst, ulnar styloid process. Scale bars: 2 mm.
FIG. 12 in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria
FIG. 12. — Details of left proximal ulnae and radii; A-F, Dromiciops; G-I, Caenolestes; J-L, Rhyncholestes; A, G, medial view of ulna in articulation with radius; B, H, lateral view of the same; C, I, anterior view of the same; D, J, anterior view of ulna; E, K, medial view of ulna; F, L, lateral view of ulna. For numbered designations of specific characters see text. Scale bars: 2 mm.
FIG. 36. — A, F, IMG Ulna 4 in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria
FIG. 36. — A, F, IMG Ulna 4 (DGM 1.150VB-M), right specimen; A, medial view; F, lateral view; B, G, IMG Ulna 7 (DGM 2020M), right specimen; B, medial view; G, lateral view; C, H, IMG Ulna 8 (DGM 1.150X-M), left specimen; C, medial view; H, lateral view; D, I, IMG Ulna 5 (DGM 1.150VIB-M), left specimen; D, medial view; I, lateral view; E, J, IMG Ulna 6 (DGM 1.150VIIB-M), right specimen; E, medial view; J, lateral view. Scale bar: 3 mm.
FIG. 48. — A, E, IMG Femur 3 in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria
FIG. 48. — A, E, IMG Femur 3 (DGM 1.201A-M), right specimen; A, anterior view; E, posterior view; B, F, IMG Femur 4 (DGM 1.202A-M), right specimen; B, anterior view; F, posterior view; C, G, IMG Femur 6 (DGM 1.203VIIIC-M), right specimen; C, anterior view; G, posterior view 6; D, H, IMG Femur 7 (DGM 1.203XI-M), left specimen; D, anterior view; H, posterior view. Scale bar: 4 mm.
FIG. 60. — A-D, left IMG Femur 8 in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria
FIG. 60. — A-D, left IMG Femur 8, two specimens, proximal halves; A, C, anterior view; B, D, posterior view; E-H, left IMG Femur 10, two specimens, proximal halves; E, G, anterior view; F, H, posterior view. For numbered designations of specific characters see text. Scale bars: 4 mm.
FIG. 40. — A-C, left IMG Ulna 5 in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria
FIG. 40. — A-C, left IMG Ulna 5; A, anterior view; B, medial view; C, lateral view; D-F, left IMG Ulna 6; D, anterior view; E, medial view; F, lateral view; G-I, left IMG Ulna 7; G, anterior view; H, medial view; I, lateral view. For numbered designations of specific characters see text. Scale bars: A-F, 2 mm; G-I, 4 mm.
FIG. 47. — A, B in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria
FIG. 47. — A, B, lateral view of IMG Innominates 1; A, DGM 1.145A-M; B, DGM 1.145B-M; C, lateral view of IMG Innominate 2 (DGM 1.145A-M), reversed; D, lateral view of IMG Innominate 3 (DGM 1.146B-M). For numbered designations of specific characters see text. Abbreviation: Ep, epipubic. Scale bar: 2 mm.
FIG. 11 in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria
FIG. 11. — Details of left proximal ulnae and radii; A-E, Caluromys; F-J, Metachirus; A, F, anterior view of ulna and articulating radius; B, G, anterior view of ulna; C, H, medial view of ulna; D, I, lateral view of ulna; E, J, posterior view of ulna. For numbered designations of specific characters see text. Scale bar: 2 mm.
FIG. 10 in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria
FIG. 10. — Details of left humeri; A-D, Dromiciops; E-H, Rhyncholestes; A, E, proximal view of head and distal outline (axes show an approximate degree of torsion between proximal and distal ends); B, F, distal view of distal end; C, G, anterior view of distal third; D, H, posterior view of distal third. For numbered designations of specific characters see text. Abbreviation: Ras, radial sesamoid. Scale bar: 1 mm.
FIG. 9 in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria
FIG. 9. — Details of left humeri; A-D, Caluromys; E-H, Metachirus; A, E, proximal view of head and distal outline (axes show an approximate degree of torsion between proximal and distal ends); B, F, distal view of distal end; C, G, anterior view of distal third; D, H, posterior view of distal third. For numbered designations of specific characters see text. Scale bar: 4 mm.
FIG. 8 in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria
FIG. 8. — Details of proximal left humeri; A-D, Caluromys; A, posterior view; B, lateral view; C, medial view; D, anterior view; E-H, Metachirus; E, posterior view; F, lateral view; G, medial view; H, anterior view. For numbered designations of specific characters see text. Scale bar: 2 mm.
FIG. 5 in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria
FIG. 5. — Juvenile to adult ontogenetic series, from left to right, of left proximal femora of Didelphis virginiana; A, anterior view; B, posterior view. Abbreviations: eppl, epiphyseal plate; ffoc, femoral fovea capitis (for ligamentum teres); fgtr, femoral greater trochanter; fhd, femoral head; fhdn, neck of femoral head; fltr, femoral lesser trochanter; fptcr, femoral paratrochanteric crest; ftf, femoral trochanteric fossa; fthtr, femoral third trochanter. Scale bar: 4 mm.
FIG. 3 in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria
FIG. 3. — Juvenile to adult ontogenetic series, from left to right, of five left femora and humeri of Didelphis virginiana; A, proximal view of femora; B, distal view of femora; C, distal view of humeri. Abbreviations: fgqf, femoral groove for quadriceps femoris; fgtr, femoral greater trochanter; fhd, femoral head; ficfo, femoral intercondylar fossa; flc, femoral lateral condyle; fltr, femoral lesser trochanter; fmc, femoral medial condyle; fptcr, femoral paratrochanteric crest; hcap, humeral capitulum; hlec, humeral (lateral) ectepicondyle; hlfcap, humeral lateral flange of capitulum; hpmcr, humeral posteromedial crest; hmec, humeral (medial) entepicondyle; hplcr, humeral posterolateral crest; htr, humeral trochlea; HuRa, humeroradial facet; HuUl, humeroulnar facet; HuUlz, zonal humeroradial; rasgr, groove for radial sesamoid. Scale bar: 4 mm.
FIG. 7. — A-D in Model-based analysis of postcranial osteology of marsupials from the Palaeocene of Itaboraí (Brazil) and the phylogenetics and biogeography of Metatheria
FIG. 7. — A-D, Caluromys derbianus, left scapula; A, medial view; B, lateral view; C, anterior veiw; D, ventral view; E, Metachirus nudicaudatus, left scapula, ventral view; F, left scapula of the Itaboraí specimen (reversed), ventral view. Abbreviations: Cl, clavicle; sacpr, scapular acromion process; ScHu, scapulohumeral facet; scopr, scapular coracoid process; sglfo, scapular glenoid fossa (within which ScHu is located); spsp, scapular spine. Scale bar: D, 4 mm.
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