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179 results for “Xenarthra”
FIGURE 8 in Dimorphism in Quaternary Scelidotheriinae (Mammalia, Xenarthra, Phyllophaga)
FIGURE 8. Catonyx cuvieri. Skulls in dorsal view. 1, MCL 4265; 2, MCL 22683. Scale bar equals 10 mm.
FIGURE 4 in A new species of Eutatus Gervais (Xenarthra, Dasypodidae) from the Late Pleistocene of the Northern Pampean Region, Argentina
FIGURE 4. Scatterplot (CV1 versus CV2) from Canonical Variate Analysis of osteoderms of Eutatus. Shape change across axes is represented as wireframe for the positive and negative values. 95 % confidence ellipse for E. seguini, E. pascuali and E. crispianii sp. nov. are shown. E. crispianii sp. nov. (black circles), E. seguini (white circles) and E. pascuali (red circles).
FIGURE 3 in A new species of Eutatus Gervais (Xenarthra, Dasypodidae) from the Late Pleistocene of the Northern Pampean Region, Argentina
FIGURE 3. Bivariate plot showing relationship between the width and length of fixed osteoderms of E. crispianii sp. nov. (black circles), E. seguini (white circles) and E. pascuali (red circles).
FIGURE 2. 1 in A new species of Eutatus Gervais (Xenarthra, Dasypodidae) from the Late Pleistocene of the Northern Pampean Region, Argentina
FIGURE 2. 1, Fixed osteoderms of Eutatus crispianii sp. nov. MGPV-E1; 2, E. seguini MACN10160a; 3, E. seguini MACN2772; 4, E. pascuali MMP1212. af, anterior foramina; facf, foramina around the central figure.
FIGURE 1. 1 in A new species of Eutatus Gervais (Xenarthra, Dasypodidae) from the Late Pleistocene of the Northern Pampean Region, Argentina
FIGURE 1. 1, Landmark configuration on schematic osteoderm of Eutatus; landmarks (dark gray circles) and semilandmarks (white circles); 2, Box-and-whisker plot showing centroid sizes of E. seguini, E. pascuali and E. crispianii. The central bar of each box represents the median of the population, while upper and lower bounds are 75th and 25th percentiles, respectively. Boxes show 50 % of the population and whiskers extend showing the minimum and maximum values in a range of 1.5 times the length of the box. Circles mark the atypical values of CS located beyond to 1.5 times the box length distances.
Text-fig. 6. Boxplots showing the proportion of mf2 in relation to the sum of the occlusal area in the five families of extinct sloths. in Unexpected Inhibitory Cascade In The Molariforms Of Sloths (Folivora, Xenarthra): A Case Study In Xenarthrans Honouring Gerhard Storch'S Open-Mindedness
Text-fig. 6. Boxplots showing the proportion of mf2 in relation to the sum of the occlusal area in the five families of extinct sloths.
Text-fig. 7. PGLS regressions for Mylodontidae, "Orophodontidae", and the rest of the sloths considered separately, Mylodontidae: dash double-dot line (-..-), "Orophodontidae": dash-dot line (-.-), rest of sloths: dash line (--). in Unexpected Inhibitory Cascade In The Molariforms Of Sloths (Folivora, Xenarthra): A Case Study In Xenarthrans Honouring Gerhard Storch'S Open-Mindedness
Text-fig. 7. PGLS regressions for Mylodontidae, "Orophodontidae", and the rest of the sloths considered separately, Mylodontidae: dash double-dot line (-..-), "Orophodontidae": dash-dot line (-.-), rest of sloths: dash line (--).
Text-fig. 5. Macroevolutionary trends related to the IC model in the first three teeth of the six families of extinct sloths, as well as specimens of the "basal Megatherioidea", Pseudoglyptodon, and Bradypus. Dashed line (- -) shows the regression including all data; solid line shows the regression after the exclusion of Octodontotherium (shown in the plot as a filled triangle). in Unexpected Inhibitory Cascade In The Molariforms Of Sloths (Folivora, Xenarthra): A Case Study In Xenarthrans Honouring Gerhard Storch'S Open-Mindedness
Text-fig. 5. Macroevolutionary trends related to the IC model in the first three teeth of the six families of extinct sloths, as well as specimens of the "basal Megatherioidea", Pseudoglyptodon, and Bradypus. Dashed line (- -) shows the regression including all data; solid line shows the regression after the exclusion of Octodontotherium (shown in the plot as a filled triangle).
Text-fig. 3. Mandibles of (a) adult (MACN 10830) and (b) juvenile (CAV 898) specimens of Lestodon armatus. Scale bar 5 cm. in Unexpected Inhibitory Cascade In The Molariforms Of Sloths (Folivora, Xenarthra): A Case Study In Xenarthrans Honouring Gerhard Storch'S Open-Mindedness
Text-fig. 3. Mandibles of (a) adult (MACN 10830) and (b) juvenile (CAV 898) specimens of Lestodon armatus. Scale bar 5 cm.
Text-fig. 2. Developmental morphospace of molariform ratios in Lestodon armatus compared to the IC model. Dash-dot line (-.-), show OLS line; dash double-dot line (-..-) shows RMA line. in Unexpected Inhibitory Cascade In The Molariforms Of Sloths (Folivora, Xenarthra): A Case Study In Xenarthrans Honouring Gerhard Storch'S Open-Mindedness
Text-fig. 2. Developmental morphospace of molariform ratios in Lestodon armatus compared to the IC model. Dash-dot line (-.-), show OLS line; dash double-dot line (-..-) shows RMA line.
Text-fig. 1. Examples of lower dentition and molariforms homologies in the four families of extinct sloths. a: Mylodontidae, b: Megatheriidae, c: Nothrotheriidae, d: Megalonychidae. in Unexpected Inhibitory Cascade In The Molariforms Of Sloths (Folivora, Xenarthra): A Case Study In Xenarthrans Honouring Gerhard Storch'S Open-Mindedness
Text-fig. 1. Examples of lower dentition and molariforms homologies in the four families of extinct sloths. a: Mylodontidae, b: Megatheriidae, c: Nothrotheriidae, d: Megalonychidae.
Text-fig. 4. Macroevolutionary trends related to the IC model in the last three teeth of the six families of extinct sloths, as well as specimens of the "basal Megatherioidea", Pseudoglyptodon, and Bradypus. Dash-dot line (-.-) shows the regression including all data; solid line shows the regression after the exclusion of Octodontotherium (shown in the plot as a filled triangle). in Unexpected Inhibitory Cascade In The Molariforms Of Sloths (Folivora, Xenarthra): A Case Study In Xenarthrans Honouring Gerhard Storch'S Open-Mindedness
Text-fig. 4. Macroevolutionary trends related to the IC model in the last three teeth of the six families of extinct sloths, as well as specimens of the "basal Megatherioidea", Pseudoglyptodon, and Bradypus. Dash-dot line (-.-) shows the regression including all data; solid line shows the regression after the exclusion of Octodontotherium (shown in the plot as a filled triangle).
FIG. 18 in Nouveaux paresseux terrestres (Mammalia, Xenarthra, Mylodontidae) du Néogène de l'Altiplano bolivien
FIG. 18. — Tibia gauche (MNHN-BOL V 3300) attribué à Simomylodon uccasamamensis n. gen., n.sp.: A, vue antérieure (proximale vers le haut); B, vue médiale (proximale vers le haut); C, vue proximale (antérieure vers le haut); D, vue distale (antérieure vers le haut). Abréviations: Ast, astragale; Fem, fémur; Fib, fibula; mm, malléole médiale; si, surface intercondylaire (échancrure rétrospinale). Échelle: 5 cm.
FIG. 12 in Nouveaux paresseux terrestres (Mammalia, Xenarthra, Mylodontidae) du Néogène de l'Altiplano bolivien
FIG. 12. — Carpiens de la main de Simomylodon uccasamamensis n. gen., n.sp.: A, B, scaphoïde gauche (MNHN AYO 180) en vues médiodistale (dorsale vers le haut, médiale vers la gauche) et dorsale (proximale vers le haut, médiale vers la gauche) respectivement; C, D, semilunaire gauche (MNHN AYO 180) en vues distale (dorsale vers le haut, médiale vers la gauche) et latérale (dorsale vers le haut, distale vers la gauche) respectivement; E-G, trapézoïde gauche (MNHN AYO 180) en vues distale (dorsale vers le haut, médiale vers la gauche), latérale (dorsale vers le haut, distale vers la gauche) et proximale (dorsale vers le haut, médiale vers la gauche) respectivement. Abréviations: Ccm, complexe carpo-métacarpe; McII, métacarpe II; Mg, magnum; Pyr, pyramidal; Rad, radius; Sc, scaphoïde; Sl, semilunaire; Td, trapézoïde; Unc, unciforme. Échelle: 2 cm.
FIG. 7 in Nouveaux paresseux terrestres (Mammalia, Xenarthra, Mylodontidae) du Néogène de l'Altiplano bolivien
FIG. 7. — Maxillaires et prémaxillaires attribués à Simomylodon uccasamamensis n. gen., n. sp. (MNHN-BOL V 3321): A, vue occlusale; B, vue latérale droite, antérieur vers la gauche. Échelle: 5 cm.
FIG. 6 in Nouveaux paresseux terrestres (Mammalia, Xenarthra, Mylodontidae) du Néogène de l'Altiplano bolivien
FIG. 6. — Avant du crâne holotype de Simomylodon uccasamamensis n. gen., n. sp. (GB 078): A, B, vue latérale (antérieure vers la gauche, retourné par rapport à l'original); C, vue antérieure (dorsale vers le haut). Abréviations: C-, alvéole de dent caniniforme supérieure; f.i.o, foramen infra-orbitaire; M1-M4, alvéoles de dents molariformes supérieures; Mx, maxillaire; N, nasal; Pmx, prémaxillaire. Échelle: 5 cm.
FIG. 4 in Nouveaux paresseux terrestres (Mammalia, Xenarthra, Mylodontidae) du Néogène de l'Altiplano bolivien
FIG. 4. — Crâne holotype de Pleurolestodon dalenzae n. sp. (MNHN-BOL V 3348) en vue dorsale (antérieure vers la gauche). Abréviations: Fr, frontal; In, internasal; Mx, maxillaire; N, nasal; Pmx, prémaxillaire; pr.p.o, processus postorbitaire; rac.ant.az, racine antérieure de l'arcade zygomatique; Sq, squamosal. Échelle: 5 cm.
FIG. 2 in Nouveaux paresseux terrestres (Mammalia, Xenarthra, Mylodontidae) du Néogène de l'Altiplano bolivien
FIG. 2. — Crâne holotype de Pleurolestodon dalenzae n. sp. (MNHN-BOL V 3348) en vue latérale (antérieure vers la gauche). Abréviations: C-, dent caniniforme supérieure; f.l, foramen lacrymal; Fr, frontal; f.sp.o, fissure sphénorbitaire; f.sp.pal, foramen sphénopalatin; In, internasal; L, lacrymal; M1-M4, dents molariformes supérieures; Mx, maxillaire; N, nasal; Pal, palatin; Pmx, prémaxillaire; Pt, ptérygoïde; Smx, septomaxillaire; Sq, squamosal. Échelle: 5 cm.
FIG. 15 in Nouveaux paresseux terrestres (Mammalia, Xenarthra, Mylodontidae) du Néogène de l'Altiplano bolivien
FIG. 15. — Métacarpien III et magnum gauche soudés (MNHN AYO 179) attribués à Simomylodon uccasamamensis n. gen., n. sp.: A, vue latérale (dorsale vers le haut, distale vers la gauche); B, vue dorsale (médiale vers le haut, distale vers la gauche); C, vue médiale (dorsale vers le haut, proximale vers la gauche). Échelle: 2 cm.
FIG. 11 in Nouveaux paresseux terrestres (Mammalia, Xenarthra, Mylodontidae) du Néogène de l'Altiplano bolivien
FIG. 11. — Radius (MNHN AYO 110) gauche attribué à Simomylodon uccasamamensis n. gen., n. sp.: A, vue proximale (latérale vers le haut); B, vue antérieure (proximale vers le haut); C, vue distale (antérieure vers le haut). Abréviations: faul, facette articulaire pour l'ulna; fr, fovea du radius; psr, processus styloïde radial; Sc, scaphoïde; Sl, semilunaire. Échelle: 5 cm.
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