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250 results for “Ryukyu Archipelago”
FIGURE 8 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 8. Fossils referred to Echinotriton andersoni. 1–4, postatlantal precaudal vertebra (one of 290 registered as RUMF-GF-04052) in anterior (1), left lateral (2), dorsal (3), and ventral (4) views; 5 and 6, atlas (one of 11 registered as RUMF-GF-04051) in anterior (5) and left lateral (6) views; 7, parietal-prootic-exoccipital (RUMF-GF-04047) in dorsal view; 8, right maxilla (one of 30 registered as RUMF-GF-04045) in lateral view; 9, right quadrate (one of five registered as RUMF-GF-04049) in dorsal view; 10, right dentary (one of 70 registered as RUMF-GF-04050) in medial view; 11, right rib (one of 181 registered as RUMF-GF-04053) in posterior view; 12, right humerus (one of 144 registered as RUMF-GF-04054) in lateral view; and 13, right femur (one of 163 registered as RUMF-GF-04055) in posterior view. Abbreviations: tro, trochanter; the others are the same as Figure 7. Scale bars equal 1 mm.
FIGURE 6 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 6. Fossils referred to Buergeria japonica (1–4) and Rhacophorus viridis viridis (5–11). 1–3, right female humerus lacking the proximal part (YMHF-MA 010) in ventral (1), medial (2), and dorsal (3) views; 4, left ilium lacking most part of the crista dorsalis (RUMF-GF-04024) in lateral view; 5–7, left female humerus (one of seven registered as RUMF-GF-04025) in ventral (5), medial (6), and dorsal (7) views; 8–10, left male humerus (RUMF-GF-04027) in ventral (8), medial (9), and dorsal (10) views; and 11, pelvic girdle (fused right and left ilia [lacking anterior parts] with the ischium: RUMF-GF-04029) in left lateral view. Abbreviations: pre.acet, preacetabular zone; the others are the same as Figure 3. Arrows indicate the proximal ends of the crista paraventralis. Scale bars equal 1 mm.
FIGURE 7 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 7. Fossils referred to Cynops ensicauda. 1–4, postatlantal precaudal vertebra (one of 108 registered as RUMF-GF-04039) in anterior (1), left lateral (2), dorsal (3), and ventral (4) views; 5 and 6, atlas (one of five registered as RUMF-GF-04038) in anterior (5) and left lateral (6) views; 7, parietal-prootic-exoccipital (RUMF-GF-04033) in dorsal view; 8, right maxilla (one of three registered as RUMF-GF-04032) in lateral view; 9, right dentary (one of nine registered as RUMF-GF-04037) in medial view; 10, right rib (one of 25 registered as RUMF-GF-04040) in posterior view; 11, right humerus (one of 85 registered as RUMF-GF-04041) in lateral view; and 12, right femur (one of 92 registered as RUMF-GF-04042) in posterior view. Abbreviations: con, condyle; diap, diapophyses; epi.pr, epipleural processes; neu.sp, neural spine; n.prep, notch for prearticular; parap, parapophyses; pos.pr, posterior process; subd.d, subdental ditch; zygap, zygapophyses. The arrow in 12 indicates the concavity (see text). Scale bars equal 1 mm.
FIGURE 2 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 2. Photograph of the Sashiki Fissure (left) and schematic figure showing the structure of the fissure (right). In the right figure, broken lines represent the outline of the fissure behind rock, shaded areas represent studied sediments, and open circles represent the locations of the dating samples.
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.
FIG. 2 in A new Nemesiid spider (Arachnida, Araneae) from the Ryukyu Archipelago, Japan
FIG. 2. — Sinopesa kumensis; A, lateral view, pedipalps, legs and hairs omitted; B, dorsal view, pedipalps and legs omitted; C, pedipalpal coxae (maxillae), labium and sternum, bristles on sternum omitted; D, left chelicera, mediad view; E, dorsal view of eyes; F, lateral view of superior and inferior tarsal claw; G, ventral view of spinnerets. Scale bars: A, B, 2 mm; C, D, G, 1 mm; E, 0.5 mm; F, 0.1 mm.
FIG. 5 in A new Nemesiid spider (Arachnida, Araneae) from the Ryukyu Archipelago, Japan
FIG. 5. — Sinopesa kumensis, male holotypus; A-D, male left leg IV, hairs omitted in A-C; A, prolateral view; B, ventral view; C, retrolateral view; D, dorsal view. Scale bar: 2 mm.
Data from: Seasonal diet partition among top predators of a small island, Iriomotejima island in the Ryukyu Archipelago, Japan
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Fig. 1 in Two Species of Paracalliopiidae from the Ryukyu Archipelago in Japan, with the Description of a New Species (Crustacea: Amphipoda)
Fig. 1. Map showing collecting sites of examined specimens in the Ryukyu Archipelago.
FIGURE 23. Grandidierella japonica Stephensen, 1938. M1 in Six species of Grandidierella collected from the Ryukyu Archipelago in Japan with descriptions of four new species (Crustacea: Amphipoda: Aoridae)
FIGURE 23. Grandidierella japonica Stephensen, 1938. M1, male, 8.0 mm (OMNH-Ar-3853); M2, male, 6.2 mm (OMNH-Ar- 11541); M3, male, 5.2 mm (OMNH-Ar-11542); M4, male, 4.0 mm (OMNH-Ar-11543); F1, ovigerous female, 5.0 mm (OMNH- Ar-11544); F2, female, 4.1 mm (OMNH-Ar-11545). Scales: 0.1 mm.
FIGURE 21 in Six species of Grandidierella collected from the Ryukyu Archipelago in Japan with descriptions of four new species (Crustacea: Amphipoda: Aoridae)
FIGURE 21. Grandidierella japonicoides sp. nov. All except for F and SM, holotype, male, 5.3 mm (OMNH-Ar-11535); F, paratype, ovigerous female, 4.5 mm (OMNH-Ar-11536); SM, paratype, male, 3.6 mm (OMNH-Ar-11538). Scales: 0.1 mm.
FIGURE 19 in Six species of Grandidierella collected from the Ryukyu Archipelago in Japan with descriptions of four new species (Crustacea: Amphipoda: Aoridae)
FIGURE 19. Grandidierella japonicoides sp. nov. Holotype, male, 5.3 mm (OMNH-Ar-11535). Scales: 0.05 mm.
FIGURE 28 in Six species of Grandidierella collected from the Ryukyu Archipelago in Japan with descriptions of four new species (Crustacea: Amphipoda: Aoridae)
FIGURE 28. Grandidierella nana sp. nov. All except for F and SM: holotype, male, 2.6 mm (OMNH-Ar-11546); F, paratype, ovigerous female, 3.2 mm (OMNH-Ar-11550); SM, paratype, male, 1.8 mm (OMNH-Ar-11549). Scales: 0.05 mm.
FIGURE 15 in Six species of Grandidierella collected from the Ryukyu Archipelago in Japan with descriptions of four new species (Crustacea: Amphipoda: Aoridae)
FIGURE 15. Grandidierella halophila Wongkamhaeng, Pholpunthin & Azman, 2012. All but M1, male, 4.0 mm (OMNH-Ar- 11530); M1, male, 3.8 mm (OMNH-Ar-11531). Scales: 0.1 mm.
FIGURE 6 in Six species of Grandidierella collected from the Ryukyu Archipelago in Japan with descriptions of four new species (Crustacea: Amphipoda: Aoridae)
FIGURE 6. Grandidierella contigua sp. nov. Photograph of paratype, male, 3.5 mm (OMNH-Ar-11519), fixed specimen (6.5 hours after fixation).
FIGURE 6 in Inter- and intra-island divergence in Odorrana ishikawae (Anura, Ranidae) of the Ryukyu Archipelago of Japan, with description of a new species
FIGURE 6. Chromosomes observed in spermatogenetic meioses of Amami common type control (A, B) and hybrids between Amami common type female and Okinawa male (C–F).
FIGURE 3. The Maximum Likelihood tree reconstructed from 16S in Inter- and intra-island divergence in Odorrana ishikawae (Anura, Ranidae) of the Ryukyu Archipelago of Japan, with description of a new species
FIGURE 3. The Maximum Likelihood tree reconstructed from 16S and sequence divergence data. The most parsimonious tree has the same topology.
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