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222 results for “Honshu”
FIGURE 2 in Four palaeonemerteans (Nemertea: Anopla) from a tidal flat in middle Honshu, Japan
FIGURE 2. Schematic paleonemertean cross section showing the measurements used in calculating the epidermal height to body diameter indices. A, width of the body; B, height of the body;,,, and, the thicknesses of the epidermis on the left, right, dorsal, and ventral sides of the body; BM, basement membrane; EP, epidermis.
FIGURE 1. A–D in Four palaeonemerteans (Nemertea: Anopla) from a tidal flat in middle Honshu, Japan
FIGURE 1. A–D, maps showing the sampling locality; arrowheads indicate the sampling site (modified from ©2005 Google Earth images).
FIGURE 3 in Four palaeonemerteans (Nemertea: Anopla) from a tidal flat in middle Honshu, Japan
FIGURE 3. Carinina plecta sp. nov. Holotype, female, ZIHU3123. A, photograph of the holotype taken in life; the caudal end of the body is missing. B, the natural shape of the head in creeping mode. C, transverse section through the precerebral region showing the various glandular cell types found in the epidermis; the arrowheads indicate connective tissue processes from the basement membrane. D, transverse section through the intestinal region; note the acidophilic granular accumulation in the epidermis around the gonopore (indicated by the arrowheads). CL, cephalic blood lacuna; CN, cephalic peripheral nerve; G1, acidfuchsinpositive glandular cell; G2, glandular cell stained with an orange colour; G3, glandular cell stained with a purple colour; G4, basophilic glandular cell; GP, gonopore; HE, head; IC, bodywall inner circular muscle layer; IN, intestine; LN, lateral nerve cord; LV, lateral blood vessel; OV, ovum; PR, proboscis; RW, rhynchocoel wall; UD, upper middorsal nerve.
FIGURE 12 in A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan
FIGURE 12. Comparisons of the origin of the spiny dorsal fin in Pungitius modestus and P. kaibarae. a) Pungitius modestus, sp. nov., holotype, NSMT-P 133674, 45.4 mm SL. b) P. kaibarae, holotype, ZUMT 8197, 45.0 mm SL. c) P. kaibarae from Korea, non-type, NSMT-P 140556, 31.8 mm SL. The first dorsal-fin spine is shown by a red arrow, and the origin of the pectoral-fin base is shown by a red vertical line.
FIGURE 9. a in A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan
FIGURE 9. a) Syntype of Gasterosteus tymensis Nikolski, 1889, BMNH 1892.4.28, 58.5 mm SL. b) X-ray photograph of syntype of G. tymensis.
FIGURE 5. a in A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan
FIGURE 5. a) Syntypes of Gasterosteus platygaster Kessler, 1859, BMNH 1897.7.5.2, 44.4 mm SL. b) X-ray photograph of syntypes of G. platygaster, 44.4 mm SL. c) Syntypes of G. platygaster Kessler, 1859, BMNH 1897.7.5.2, 39.3 mm SL. d) X-ray photograph of syntypes of G. platygaster, 39.3 mm SL.
FIGURE 4. a in A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan
FIGURE 4. a) Living female Pungitius modestus, sp. nov. out of the breeding season. NSMT-P 136597, 41.3 mm SL, Tendo, Yamagata Prefecture, Honshu, Japan. b) Living male in the breeding season (photographed by T. Takeda, May 1992). c) Living female in the breeding season (photographed by T. Takeda, May 1992).
FIGURE 11 in A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan
FIGURE 11. Comparisons of lateral plates of Pungitius modestus and P. kaibarae. a) Pungitius modestus, sp. nov., paratype, NSMT-P 140554, 40.5 mm SL. b) P. kaibarae, holotype, ZUMT 8197, 45.0 mm SL. c) P. kaibarae from Korea, non-type, NSMT-P 140556, 31.8 mm SL. Edges of the lateral plates are shown in red.
FIGURE 8. a in A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan
FIGURE 8. a) Syntypes of Gasterosteus bussei Warpachowski, 1888, ZIN 7100, 42–53 mm SL. b) X-ray photograph of syntypes of G. bussei.
FIGURE 2. a in A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan
FIGURE 2. a) Freshly dead holotype of Pungitius modestus, sp. nov., NSMT-P 133674, female, 45,4 mm SL, Tendo, Yamagata Prefecture, Honshu, Japan. b) Holotype preserved in 70% ethanol.
FIGURE 3 in A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan
FIGURE 3. Pectoral and pelvic girdles of Pungitius modestus, sp. nov., paratype, NSMT-P 140554, male, 38.7 mm SL, Higashine, Yamagata Prefecture, Honshu, Japan. a) Lateral view. b) Ventral view.
FIGURE 10. a in A new species of nine-spined stickleback, Pungitius modestus (Gasterosteiformes, Gasterosteidae), from northern Honshu, Japan
FIGURE 10. a) Holotype of Pygosteus kaibarae Tanaka, 1915, ZUMT 8197, 45.0 mm SL (photographed by K. Hosoya). b) Pungitius kaibarae from Korea, NSMT-P 140556, 31.8 mm SL, Gangneung, Gangwon-do, Korea.
FIGURE 13. A in Two new Salamanders of the genus Onychodactylus from Eastern Honshu, Japan (Amphibia, Caudata, Hynobiidae)
FIGURE 13. A pair of egg sacs of O. fuscus sp. nov. in the type locality on 20 December 2013, about one month later from the deposition. Scale bar indicates 10 mm.
FIGURE 12 in Two new Salamanders of the genus Onychodactylus from Eastern Honshu, Japan (Amphibia, Caudata, Hynobiidae)
FIGURE 12. Larvae of O. fuscus sp. nov. (A and B) and a sympatric O. japonicus larva (C) from Sanjo-shi, Niigata Prefecture (In preservation). Larvae of O. japonicus in life (D–F) collected from Tadami-machi, Fukushima Prefecture, near the type locality of O. fuscus sp. nov. Scale bar indicates 10 mm.
FIGURE 10 in Two new Salamanders of the genus Onychodactylus from Eastern Honshu, Japan (Amphibia, Caudata, Hynobiidae)
FIGURE 10. Dorsal and ventral views of male holotype (A and B; KUHE 48284, SVL=69.0 mm) and a female paratype of O. fuscus sp. nov. (C and D; KUHE 48129, SVL=74.8 mm). Scale bar indicates 10 mm.
FIGURE 9 in Two new Salamanders of the genus Onychodactylus from Eastern Honshu, Japan (Amphibia, Caudata, Hynobiidae)
FIGURE 9. (A) Two pairs of egg sacs of O. intermedius sp. nov. deposited on 26 December 2013 by gonadotropin induction. (B) Typical habitat of O. intermedius sp. nov. in the type locality (photo on 11 June 2013).
FIGURE 7 in Two new Salamanders of the genus Onychodactylus from Eastern Honshu, Japan (Amphibia, Caudata, Hynobiidae)
FIGURE 7. Dorsal views of premetamorphic (A) and growing (B–F) larvae of O. intermedius sp. nov. Scale bar indicates 10 mm.
FIGURE 8 in Two new Salamanders of the genus Onychodactylus from Eastern Honshu, Japan (Amphibia, Caudata, Hynobiidae)
FIGURE 8. Relationships between SVL and relative length of tail (RTAL) in larvae of the four species of Onychodactylus; shaded triangles: O. intermedius sp. nov., RTAL=0.88 SVL+62.97, r² = 0.5418; open circles: O. japonicus, RTAL=0.59 SVL+72.36, r² = 0.7341; shaded squares: O. nipponoborealis, RTAL=0.66 SVL+66.04, r²=0.6126; closed inverse triangles: O. tsukubaensis, RTAL=0.19 SVL+74.91, r²=0.1045.
FIGURE 6 in Two new Salamanders of the genus Onychodactylus from Eastern Honshu, Japan (Amphibia, Caudata, Hynobiidae)
FIGURE 6. Open mouth of holotype of O. intermedius sp. nov. (A: KUHE 47455) and O. fuscus sp. nov. (B: KUHE 48284) showing the shape of vomerine tooth series. Scale bars indicate 1 mm.
FIGURE 4 in Two new Salamanders of the genus Onychodactylus from Eastern Honshu, Japan (Amphibia, Caudata, Hynobiidae)
FIGURE 4. Dorsal and ventral views of male holotype (A and B; KUHE 47455, SVL=61.0 mm) and a female paratype (C and D; KUHE 47460, SVL=60.8 mm) of O. intermedius sp. nov. Scale bar indicates 10 mm.
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OpenNeuro
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