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152 results for “Pleistocene to Holocene”
FIGURE 3 in Late Pleistocene-Holocene amphibians from Okinawajima Island in the Ryukyu Archipelago, Japan: Reconfirmed faunal endemicity and the Holocene range collapse of forest-dwelling species
FIGURE 3. Fossils referred to Limnonectes namiyei (1–4) and Babina holsti (5–11). 1–3, left female humerus lacking the proximal and distal parts and the crista ventralis (YMHF-MA 001) in ventral (1), medial (2) and dorsal (3) views; 4, left ilium lacking the anterior part (RUMF-GF-04000) in lateral view; 5–7, right female humerus (one of six registered as RUMF-GF-04003) in ventral (5), medial (6) and dorsal (7) views; 8–10, right male humerus lacking the proximal part (one of two registered as RUMF-GF-04004) in ventral (8), medial (9), and dorsal (10) views; and 11, right ilium lacking the anterior part (one of nine registered as RUMF-GF-04005) in lateral view. Abbreviations: acet, acetabulum; acet.m, acetabular margin; cr.dors, crista dorsalis; cr.lat, crista lateralis; cr.med, crista medialis; cr.par, crista paraventralis; cr.ven, crista ventralis; e.cap, eminentia capitata; ep.rad, epicondylus radialis; ep.ul, epicondylus ulnaris; fo.div, fossula dividens; il.sh, ilial shaft; ol.sc, olecranon scar; p.asc, pars ascendens; stm, spina tuberculi medialis; supr.fo, supracetabular fossa; tub.sup, tuber superior. Scale bars equal 5 mm.
FIGURE 1 in Late Pleistocene-Holocene amphibians from Okinawajima Island in the Ryukyu Archipelago, Japan: Reconfirmed faunal endemicity and the Holocene range collapse of forest-dwelling species
FIGURE 1. Maps of the Ryukyu Archipelago (1, 2) and Okinawajima Island (3). The map of Okinawajima shows topography, distribution of the Pleistocene limestone, and study sites. Geological data were obtained from Kizaki (1985).
FIGURE 4 in Late Pleistocene-Holocene amphibians from Okinawajima Island in the Ryukyu Archipelago, Japan: Reconfirmed faunal endemicity and the Holocene range collapse of forest-dwelling species
FIGURE 4. Fossils referred to Odorrana ishikawae (1–7) and Odorrana narina (8–14), 1–3, right female humerus (one of 10 registered as RUMF-GF-04009) in ventral (1), medial (2), and dorsal (3) views; 4–6, right male humerus (one of three registered as RUMF-GF-04010) in ventral (4), medial (5), and dorsal (6) views; 7, right ilium lacking the anterior part with part of the ischium (one of five registered as RUMF-GF-04011) in lateral view; 8–10, right female humerus (one of eight registered as RUMF-GF-04014) in ventral (8), medial (9), and dorsal (10) views; 11–13, right male humerus lacking the proximal part of the shaft and the distal part of the epicondylus ulnaris (RUMF-GF-04015) in ventral (11), medial (12), and dorsal (13) views; and 14, pelvic girdle (fused right and left ilia [lacking anterior parts] with the ischium and the pubis: RUMF-GF-04016) in right lateral view. Abbreviations are the same as Figure 3. Arrows indicate the proximal ends of the crista paraventralis. Scale bars equal 5 mm.
FIGURE 5 in Late Pleistocene-Holocene amphibians from Okinawajima Island in the Ryukyu Archipelago, Japan: Reconfirmed faunal endemicity and the Holocene range collapse of forest-dwelling species
FIGURE 5. Fossils referred to Rana ulma (1–7) and Microhyla okinavensis (8). 1–3, right female humerus (one of 176 registered as RUMF-GF-04019) in ventral (1), medial (2), and dorsal (3) views; 4–6, right male humerus (one of 87 registered as RUMF-GF-04020) in ventral (4), medial (5), and dorsal (6) views; 7, right ilium (one of 93 registered as RUMF-GF-04021) in lateral view; and 8, right ilium (one of two registered as RUMF-GF-04023) in lateral view. Abbreviations are the same as Figure 3. Arrows indicate the proximal ends of the crista paraventralis. Scale bars equal 1 mm.
FIGURE 10 in Pleistocene to Holocene benthic foraminiferal assemblages from the Peruvian continental margin
FIGURE 10. Optical microscope images; scale bar equals 200 μm. 1. Bolivina interjuncta 47-2; 168 cm, 2. Bolivina subadvena 47-2; 113 cm, 3. Bolivina plicata microspheric form 416; 200 cm, 4. Bolivina plicata macrospheric form 416; 100 cm, 5. Bolivina argentea 50-4; 350 cm, 6. Praeglobobulimina spinescens 47-2; 168 cm, 7. Bolivina spissa macrospheric form 52-2; 520 cm, 8. Bolivina spissa microspheric form 47-2; 128 cm, 9. Stainforthia complanata 50-4; 210 cm, 10. Bolivina alata 50-4; 110 cm, 11. Buliminella tenuata 50-4; 100 cm, 12. Globobulimina pacifica 52-2; 230 cm, 13. Uvigerina peregrina 416; 200 cm, 14 – 15. Bulimina exilis 50-4; 100 cm & 350 cm, 16. Buliminella curta var. basispinata 50-4; 350 cm, 17. Uvigerina auberiana 50-4; 350 cm, 18. Cassidulina crassa 52-2; 520 cm.
FIGURE 6 in Pleistocene to Holocene benthic foraminiferal assemblages from the Peruvian continental margin
FIGURE 6. Visual description of core M77/1-416 with magnetic susceptibility (SI) measurements and <63 μm (weight %) information. Relative abundances of given species are potentially in relation with the downslope transported material.
FIGURE 3 in Pleistocene to Holocene benthic foraminiferal assemblages from the Peruvian continental margin
FIGURE 3. Dominance and Fisher α diversity indices calculated for each sample and core. Note that the scale bars are different.
FIGURE 13 in Pleistocene to Holocene benthic foraminiferal assemblages from the Peruvian continental margin
FIGURE 13. SEM images; scale bar equals 200 μm. 1. Cibicidoides wuellerstorfi spiral view 52-2; 500 cm, 2. Cibicides mckannai umbilical view 52-2; 230 cm, 3. Epistominella smithi umbilical view 50-4; 210 cm, 4. Epistominella smithi spiral view 50-4; 210 cm, 5. Planulina limbata umbilical view 416; 100 cm, 6. Epistominella pacifica umbilical view 416; 200 cm, 7. Epistominella pacifica spiral view 416; 200 cm, 8. Epistominella pacifica peripheral view 416; 200 cm, 9. Gyroidina rothwelli spiral view 416; 100 cm, 10. Oridorsalis umbonatus umbilical view 52-2; 230 cm, 11. Gyroidina subtenera umbilical view 52-2; 230 cm, 12. Gyroidina subtenera spiral view 52-2; 270 cm, 13. Epistominella pacifica umbilical view 47-2; 128 cm, 14. Gyroidina rothwelli umbilical view 416; 100 cm, 15. Cassidulina carinata 50-4; 210 cm.
FIGURE 2 in Pleistocene to Holocene benthic foraminiferal assemblages from the Peruvian continental margin
FIGURE 2. Schematic description of the focused time intervals and samples considered regarding to the benthic foraminifera study at each core.
FIGURE 1. A in Pleistocene to Holocene benthic foraminiferal assemblages from the Peruvian continental margin
FIGURE 1. A) Map of the research area showing the core locations. The dashed line shows the approximate position of the section in B) depth vs latitude section showing the dissolved oxygen concentrations and the core locations. Oxygen data were taken from a CTD compilation after Schönfeld et al. (2015). Contour lines indicate the dissolved oxygen concentration interval. Prepared by ODV Software (Schlitzer, 2010)
FIGURE 8 in Pleistocene to Holocene benthic foraminiferal assemblages from the Peruvian continental margin
FIGURE 8. SEM images; scale bar equals 100 μm. 1. Bolivina seminuda 416; 200 cm, 2. Bolivina cf. seminuda var. humilis 416; 200 cm, 3. Bolivina seminuda var. humilis 47-2; 113 cm, 4. Bolivina pacifica 52-2; 270 cm, 5. Bolivina interjuncta var. bicostata 52-2; 520 cm, 6. Bolivinita minuta 52-2; 270 cm, 7. Bolivina aff. tortuosa 59-1; 523 cm, 8. Bolivina costata 52-2; 270 cm, 9. Bolivina ordinaria 47-2; 128 cm, 10. Bulimina pagoda 52-2; 520 cm, 11. Fursenkoina fusiformis 50-4; 230 cm, 12. Virgulina spinosa 59-1; 963 cm, 13. Fursenkoina glabra 50-4; 230 cm, 14. Anomalinoides minimus spiral view 59-1; 523 cm, 15. cf. Buccella peruviana umbilical view 47-2; 113 cm, 16. cf. Buccella peruviana peripheral view 47-2; 113 cm, 17. cf. Buccella peruviana spiral view 50-4; 230 cm, 18. Epistominella exigua spiral view 52-2; 450 cm, 19. Epistominella exigua umbilical view 52-2; 450 cm, 20. Anomalinoides minimus umbilical view 59-1; 523 cm, 21. Epistominella afueraensis umbilical view 416; 200 cm, 22. Epistominella afueraensis peripheral view 416; 200 cm, 23. Epistominella afueraensis spiral view 416; 200 cm, 24. Alabaminella weddellensis spiral view 52-2; 270 cm.
FIGURE 12 in Pleistocene to Holocene benthic foraminiferal assemblages from the Peruvian continental margin
FIGURE 12. Optical microscope images; scale bar equals 100 μm. 1. Bolivina costata 52-2; 270 cm 2. Bolivina ordinaria 47-2; 128 cm, 3. Bolivina cf. seminuda var. humilis 416; 200 cm, 4. Bolivina seminuda 416; 200 cm, 5-6. Bolivina interjuncta var. bicostata 52-2; 520 cm and 450 cm, 7. Bolivinita minuta 52-2; 270 cm, 8. Bolivina aff. tortuosa 59-1; 523 cm, 9. Bolivina seminuda var. humilis 47-2; 113 cm, 10. Bolivina pacifica 52-2; 270 cm, 11. Bolivina tongi var. filacostata 59-1; 523 cm, 12. Buliminella cf. curta 50-4; 100 cm, 13. Suggrunda eckisi 50-4; 110 cm, 14. Suggrunda porosa 47-2; 128 cm, 15. Fursenkoina fusiformis 50-4; 230 cm, 16. Fursenkoina glabra 50-4; 230 cm, 17. Buliminella elegantissima 416; 180 cm, 18. Bulimina mexicana 52-2; 520 cm, Bulimina pagoda 52-2; 520 cm.
FIGURE 9 in Pleistocene to Holocene benthic foraminiferal assemblages from the Peruvian continental margin
FIGURE 9. Optical microscope images; scale bar equals 200 μm. 1. Planulina limbata umbilical view 416; 100 cm, 2. Epistominella pacifica 416; 200 cm, 3. Epistominella pacifica umbilical view 416; 200 cm, 4. Angulogerina angulosa 50-4; 100 cm, 5. Epistominella smithi spiral view 50-4; 210 cm, 6. Uvigerina striata 416; 200 cm, 7. Uvigerina hispida 52-2; 120 cm, 8. Epistominella afueraensis spiral view 416; 200 cm, 9. Epistominella afueraensis umbilical view 416; 200 cm, 10. Gyroidina rothwelli umbilical view 416; 100 cm, 11. Gyroidina rothwelli spiral view 416; 100 cm.
FIGURE 11 in Pleistocene to Holocene benthic foraminiferal assemblages from the Peruvian continental margin
FIGURE 11. SEM images; scale bar equals 200 μm. 1. Bolivina interjuncta 47-2; 168 cm, 2. Bolivina plicata microspheric form 416; 200 cm, 3. Bolivina plicata macrospheric form 416; 100 cm, 4. Bolivina spissa 52-2; 520 cm, 5. Uvigerina peregrina 416; 200 cm (different specimen depicted in optical microscope and SEM image), 6. Praeglobobulimina spinescens 47-2; 168 cm, 7. Stainforthia complanata 50-4; 210 cm, 8. Uvigerina auberiana 50-4; 350 cm, 9. Uvigerina semiornata 52-2; 230 cm, 10. Bolivina alata 50-4; 110 cm, 11. Buliminella cf. curta 50-4; 100 cm, 12.-13 Bulimina exilis 50-4; 100 cm & 350 cm, 14. Uvigerina striata 416; 200 cm, 15. Hoeglundina elegans 52-2; 500 cm, 16. Globobulimina pacifica 52-2; 230 cm, 17. Cassidulina delicata 47-2; 128 cm, 18. Cassidulina crassa 52-2; 520 cm, 19. Cassidulina auka 416; 100 cm.
FIGURE 5 in Pleistocene to Holocene benthic foraminiferal assemblages from the Peruvian continental margin
FIGURE 5. Downcore distributions of A. minimum, A. weddellensis, B. minuta, C. delicata, E. exigua and U. auberiana observed in core M77/1-59-1. Note that the scale bars are different.
FIGURE 7 in Pleistocene to Holocene benthic foraminiferal assemblages from the Peruvian continental margin
FIGURE 7. Optical microscope images; scale bar equals 100 μm. 1. Epistominella pacifica umbilical view 47-2; 128 cm, 2. Epistominella exigua spiral view 52-2; 450 cm, 3. Epistominella exigua umbilical view 52-2; 450 cm, 4. Anomalinoides minimus spiral view 59-1; 523 cm, 5. Anomalinoides minimus umbilical view 59-1; 523 cm, 6. Epistominella obesa spiral view 50-4; 100 cm, 7. Epistominella obesa spiral view 50-4; 100 cm, 8. Epistominella obesa umbilical view 50-4; 100 cm, 9. cf. Buccella peruviana spiral view 50-4; 230 cm, 10. cf. Buccella peruviana umbilical view 47-2; 113 cm, 11. Cassidulina auka 416; 100 cm, 12. Alabaminella weddellensis spiral view 52-2; 270 cm, 13. Gyroidina subtenera spiral view 52-2; 270 cm, 14. Gyroidina subtenera umbilical view 52-2; 230 cm, 15. Cassidulina minuta 52- 2; 120 cm, 16. Cassidulina carinata 50-4; 210 cm, 17. Cassidulina delicata 47-2; 128 cm.
FIGURE 4 in Pleistocene to Holocene benthic foraminiferal assemblages from the Peruvian continental margin
FIGURE 4. Downcore distributions of the most abundant species (>5% relative abundance) observed in the sediment cores. N.A.: in case of absence of the species. Note that the scale bars are different.
Fig. 4. Bivariate graphs for the Smilodon populator specimen MNHN-P 957. A in An extremely large saber-tooth cat skull from Uruguay (late Pleistocene -early Holocene, Dolores Formation): body size and paleobiological implications
Fig. 4. Bivariate graphs for the Smilodon populator specimen MNHN-P 957. A, PM3 transverse diameter (PM3ML) versus PM3 anteroposterior diameter (PM3AP); B, PM4 transverse diameter (PM4ML) versus PM4 anteroposterior diameter (PM4AP). Data from different sources (see Material and methods).
Figure 3. Bivariate graphs for the Smilodon populator specimen MNHN-P 957. A in An extremely large saber-tooth cat skull from Uruguay (late Pleistocene -early Holocene, Dolores Formation): body size and paleobiological implications
Figure 3. Bivariate graphs for the Smilodon populator specimen MNHN-P 957. A, zygomatic width (ZW) versus condylobasal length (CBL); B, canine transverse diam- eter (CML) versus canine anteroposterior diameter (CAP). Data from different sources (see Material and methods).
FIGURES 193, 194 in Early Pleistocene and Holocene bryozoans from Indonesia
FIGURES 193, 194. Flabellopora sp., RGM.1350601, early Pleistocene, Java. 193. General view of a colony. The following abbreviations were used to distinguish examples of: orifices (Or), polymorphs (Pm), and rootlet pores (Rp). 194. Close-up of the colony surface with autozooidal apertures and polymorphs. Scale bars: Fig. 193 = 400 µm; Fig. 194 = 200 µm.
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