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Fig. 29. Heterobranchia 2 in The Mollusca of Galicia Bank (NE Atlantic Ocean)
Fig. 29. Heterobranchia 2 (Cimidae, Acteonidae, Ringiculidae). A–B. Atomiscala islandica Warén, 1989, BANGAL 0711, DR15, 1410 m, 2.8 mm. C. Crenilabium exile (Jeffreys, 1870), BANGAL 0711, V10, 1720 m, 8.2 mm. D–E. Acteon monterosatoi Dautzenberg, 1889, SEAMOUNT 1, DW116, 985–1000 m, 2.5 mm. F–G. Ringicula nitida Verrill, 1872, BANGAL 0711, V2, 1706 m, 5.8 mm. H–I. Ringicula crassidens Gofas & Luque sp. nov., holotype (MNCN 15.05/200140H), BANGAL 0711, DR15, 2.2 mm high. J. Protoconch of a paratype (MNCN 15.05/200140P), same locality. K. Microsculpture of the second teleoconch whorl, same shell as J. Scale bars: A–I = 1 mm; J–K = 100 µm.
Fig. 19. Eulimidae 1. A–C in The Mollusca of Galicia Bank (NE Atlantic Ocean)
Fig. 19. Eulimidae 1. A–C. Melanella spiridioni (Dautzenberg & H. Fischer, 1896) and detail of protoconch, BANGAL 0711, V5, 1631 m, 6.0 mm. D–E. Melanella jeffreysi (Tryon, 1886), BANGAL 0711, V2, 1706 m, 4.3 mm. F–G. Melanella cf. myriotrochi Bouchet & Warén, 1986, BANGAL 0711, V2, 7.6 mm. H–I. "Eulima" leptozona Dautzenberg & H. Fischer, 1896, SEAMOUNT 1, DW111, 675–685 m, 3.8 mm. J–K. "Eulima" anonyma Bouchet & Warén, 1986, BANGAL 0711, V2, 3.3 mm. L–O. Eulitoma obtusiuscula Bouchet & Warén, 1986, BANGAL 0711, DR15, 1410 m, 2.4 and 1.85 mm. Scale bar for A–B, D–O = 1 mm; C = 200 µm.
Fig. 8. Anatomidae 2. A–C in The Mollusca of Galicia Bank (NE Atlantic Ocean)
Fig. 8. Anatomidae 2. A–C. Anatoma aspera (Philippi, 1844), SEAMOUNT 1, DW116, 985–1000 m, diameter 2.8 mm. D–F. Anatoma eximia (Seguenza, 1880), SEAMOUNT 1, DW116, 985–1000 m, diameter 2.5 mm. G. A. eximia, SEM micrograph, BANGAL 0711, V4, 744 m, diameter 2.3 mm. H–I. A. eximia, SEM micrograph, details of protoconch and early teleoconch whorls of another shell, same locality. Scale bars: A–G = 1 mm; H = 200 µm; I = 100 µm.
Fig. 9. Anatomidae 3. A–C in The Mollusca of Galicia Bank (NE Atlantic Ocean)
Fig. 9. Anatomidae 3. A–C. Anatoma umbilicata (Jeffreys, 1883), BANGAL 0711, V10, 1720 m, diameter 3.1 mm. D–E. Details of protoconch and early teleoconch whorls of another shell, same locality. Scale bars: A–C = 1 mm; D = 200 µm; E = 100 µm.
Fig. 7. Anatomidae 1. A–C in The Mollusca of Galicia Bank (NE Atlantic Ocean)
Fig. 7. Anatomidae 1. A–C. Anatoma richardi (Dautzenberg & H. Fischer, 1896), SEAMOUNT 1, DW116, 985–1000 m, diameter 4.2 mm. D–F. A. richardi, shell and detail of the protoconch and early teleoconch whorls, SEM micrograph, same locality, diameter 1.7 mm. G–I. A. cf. richardi, BANGAL 0711, GOC6, 903 m, diameter 2.3 mm. Scale bars: A–D, G–I = 1 mm; E = 200 µm; F = 100 µm.
Fig. 4. Fissurellidae 1. A–C in The Mollusca of Galicia Bank (NE Atlantic Ocean)
Fig. 4. Fissurellidae 1. A–C. Diodora tenuiclathrata (Seguenza, 1863), BANGAL 0711, GOC6, 903 m, 19.2 mm. D–E. Emarginula multistriata Jeffreys, 1882, SEAMOUNT 1, DW111, 675–685 m, 10.0 mm. F–H. Emarginula tuberculosa Libassi, 1859, SEAMOUNT 1, DW116, 985–1000 m, 6.1 mm. I–J. Emarginula christiaensi Piani, 1985, SEAMOUNT 1, DW106, 765 m, 20.0 mm. K–L. Puncturella granulata (Seguenza, 1863), SEAMOUNT 1, DW108, 1110–1125 m, 5.3 mm. Scale bars: A–C, I–J = 10 mm; D–H, K–L = 1 mm.
Fig. 18. Epitoniidae. A–B in The Mollusca of Galicia Bank (NE Atlantic Ocean)
Fig. 18. Epitoniidae. A–B. Epitonium dallianum (Verrill & S. Smith, 1880), SEAMOUNT 1, DW116, 985–1000 m, 5.0 mm. C. Cylindriscala thalassae Bouchet & Warén, 1986, BANGAL 0711, DR14, 1130 m, 23.5 mm. D. Cylindriscala guernei (Dautzenberg & de Boury, 1897), BANGAL 0711, DR15, 1410 m, 8.5 mm. E. Opaliopsis atlantis (Clench & R.D. Turner, 1952), SEAMOUNT 1, DW111, 675–685 m, 11.0 mm. F–G. Iphitus tuberatus Jeffreys, 1883, SEAMOUNT 1, DW108, 1120–1125 m, 2.3 mm. H–I. Eccliseogyra folini (Dautzenberg & de Boury, 1897), shell and detail of protoconch, BANGAL 0711, V2, 1706 m, 3.4 mm. J. E. folini, BANGAL 0711, V10, 1720 m, 12.3 mm. Scale bars: A–B, D–H, J = 1 mm; C = 10 mm; I = 200 µm.
Fig. 3 in The Mollusca of Galicia Bank (NE Atlantic Ocean)
Fig. 3. Polyplacophora and Gastropoda (Patellogastropoda and Vetigastropoda Lepetelloidea). A–B. Connexochiton platynomenus Kaas, 1979, ECOMARG 0709, G5, 863 m, 4.8 mm. C. Placiphorella atlantica (Verrill & S. Smith, 1882), BANGAL 0711, DR2, 1697 m, 10.3 mm (shipboard photograph by Pilar Ríos, IEO). D–E. Propilidium exiguum (Thompson, 1844), BANGAL 0711, V6, 909 m, 3.8 mm. F–G. Iothia fulva (Müller, 1776), SEAMOUNT 1, DW116, 985–1000 m, 6.3 mm. H. Living Lepetella sp. on a tube of the polychaete Hyalinoecia tubicola (Müller, 1776), BANGAL 0711, V2, 1706 m (shipboard photograph). I. Two small (3.5 and 2.0 mm) living specimens of Addisonia cf. excentrica (Tiberi, 1855) on the inside surface of an egg-capsule of Hydrolagus affinis (de Brito Capello, 1868), near two holes in the wall of the egg-capsule, BANGAL 0711, GOC9, 1683 m (shipboard photograph). Scale bars = 1 mm.
Fig. 1 in The Mollusca of Galicia Bank (NE Atlantic Ocean)
Fig. 1. The NW Iberian continental margin, with situation of the Galicia Bank (hereafter GB) and other geomorphological features of the area: Vasco da Gama Seamounts (BVG), Vigo Bank (BV), Oporto Bank (BP), Galicia Inner Basin (CIG), transition zone (ZT), northwestern flank (FNO), Rucabado and García seamounts (BR), the deep margin of Galicia (MPG), the Bay of Biscay abyssal plain (LLAV) and the Iberian abyssal plain (LLAI). Source: EEZ Project (multibeam echo sounder bathymetry) and GEBCO Digital Atlas.
Fig. 24. Colidae. A–D in The Mollusca of Galicia Bank (NE Atlantic Ocean)
Fig. 24. Colidae. A–D. Colus gracilis (da Costa, 1778), ECOMARG 0709, R2, 615 m, 52 mm, 38 mm and 42 mm. E. Detail of apical whorls, same specimen as D. F–G. C. gracilis, juvenile shell with protoconch and half teleoconch whorl, BANGAL 0711, V4, 744 m, 4.5 mm. H–I. Colus jeffreysianus (P. Fischer, 1868), BANGAL 0711, V10, 1720 m, 49.3 mm. J–K. C. jeffreysianus, juvenile shell with protoconch and half teleoconch whorl, 6.5 mm, from the same locality. Scale bars: A–D, H–I = 10 mm; E–G, J–K = 1 mm.
Fig. 6. Fissurellidae 3. A–B. Fissurisepta granulosa Jeffreys, 1883. Galicia Bank, 590–900 m in The Mollusca of Galicia Bank (NE Atlantic Ocean)
Fig. 6. Fissurellidae 3. A–B. Fissurisepta granulosa Jeffreys, 1883. Galicia Bank, 590–900 m, shell figured in Rolán Mosquera & Pérez Gándaras (1981), 3.2 mm. C–D. Profundisepta alicei (Dautzenberg & H. Fischer, 1897), BANGAL 0711, V5, 1631 m, 2.2 mm. E–G. Profundisepta profundi (Jeffreys, 1877), SEAMOUNT 1, DW116, 985–1000 m, 3.2 mm. H–J. Cornisepta rostrata (Seguenza, 1863), SEAMOUNT 1, DW116, 985–1000 m, 4.8 mm height. K–M. Cornisepta microphyma (Dautzenberg & H. Fischer, 1896), BANGAL 0711, V4, 744 m, 5.6 mm height. Scale bars: A–I, K–L = 1 mm; J, M = 500 µm.
Fig. 16. Skeneimorph species 3. A–B in The Mollusca of Galicia Bank (NE Atlantic Ocean)
Fig. 16. Skeneimorph species 3. A–B. Anekes affinis (Jeffreys, 1883), BANGAL 0711, V5, 1631 m, diameter 1.4 mm. C–E. SEM micrograph, same specimen, and detail of protoconch and apical whorls, showing the characteristic "Anekes sculpture". F–G. Anekes paucistriata Warén, 1992, BANGAL 0711, V5, 1631 m, live taken specimen, diameter 1.9 mm. H–K. SEM micrograph of another shell, detail of protoconch and apical whorls, and detail of the umbilical area. Scale bars: A–D, F–I = 1 mm; E, J–K = 200 µm.
Fig. 28. Heterobranchia 1 in The Mollusca of Galicia Bank (NE Atlantic Ocean)
Fig. 28. Heterobranchia 1 (Architectonicidae, Pyramidellidae). A–C. Solatisonax hemisphaerica (Seguenza, 1876), BANGAL 0711, V6, 909 m, 8.9 mm. D–F. Tiberia sp., BANGAL 0711, V10, 1720 m, 4.8 mm. G. Syntype of Pyramidella curtissima Locard, 1897, Travailleur 1881 or 1882, 4.0 mm. H. Turbonilla cf. paucistriata (Jeffreys, 1884), BANGAL 0711, V5, 1631 m, 7.8 mm. I–J. Eulimella sp., BANGAL 0711, V10, 5.3 mm. K–L. Tibersyrnola unifasciata (Forbes, 1844), BANGAL 0711, V6, 7.2 mm. Scale bars: A–E, G–L = 1 mm; F = 200 µm.
Fig. 15. Skeneimorph species 2. A–B in The Mollusca of Galicia Bank (NE Atlantic Ocean)
Fig. 15. Skeneimorph species 2. A–B. Akritogyra similis (Jeffreys, 1883), BANGAL 0711, V5, 1631 m, diameter 2.2 mm. C–D. Moelleriopsis sp., SEAMOUNT 1, DW108, 1120–1125 m, 2.7 mm. E–F. "Skenea" ponsonbyi (Dautzenberg & H. Fischer, 1896), BANGAL 0711, V9, 1671 m, 3.2 mm. G–H. Granigyra pruinosa (Jeffreys, 1883), BANGAL 0711, V10, 1720 m, 3.7 mm.I–J. SEM micrograph, same shell, and detail of microsculpture. K–L. Granigyra tenera (Jeffreys, 1883), BANGAL 0711, V10, 1720 m, 2.3 mm. Scale bars: A–I, K–L = 1 mm; J = 200 µm.
Fig. 2 in The Mollusca of Galicia Bank (NE Atlantic Ocean)
Fig. 2. Location of benthic samples used in this paper: SEAMOUNT 1 (turquoise), FAUNA II (red), ECOMARG 0709 (green) and INDEMARES BANGAL 0711 (deep blue). Symbols for sampling gears: rock dredge (circles; DW, R or DR), beam trawl (triangles; A, V or CP), otter trawl (squares; G or GOC). Isobaths every 200 m except for shallowest at 700 m; isobaths on the bank proper down to 2000 m from multibeam bathymetry (EEZ Project), completed with GEBCO regional bathymetry for the surroundings.
Fig. 23 in The Mollusca of Galicia Bank (NE Atlantic Ocean)
Fig. 23. Muricidae, Fasciolariidae, Columbellidae, Buccinidae, Colidae. A–B. Coralliophila richardi (P. Fischer, 1882), SEAMOUNT 1, DW106, 765 m, 17.9 mm. C–D. Boreotrophon dabneyi (Dautzenberg, 1889), BANGAL 0711, V5, 1631 m, 40.8 mm. E–F. B. dabneyi, juvenile specimen with well-preserved brown protoconch, BANGAL 0711, V2, 1706 m, 4.7 mm. G–H. Amphissa acutecostata (Philippi, 1844), SEAMOUNT 1, DW116, 985–1000 m, 6.0 mm. I. A. acutecostata, protoconch of another specimen, SEAMOUNT 1, CP117, 770 m. J–K. Troschelia berniciensis (King, 1846), ECOMARG 0709, V4, 735 m, 55 mm. L–M. Kryptos koehleri (Locard, 1896), BANGAL 0711, V8, 1565 m, 22.0 mm. Scale bars: A–D, J–M = 10 mm; E–H = 1 mm; I = 500 µm.
Fig. 5. Fissurellidae 2. Puncturella agger Watson, 1883. A–C. BANGAL 0711, GOC6, 903 m, 4.0 in The Mollusca of Galicia Bank (NE Atlantic Ocean)
Fig. 5. Fissurellidae 2. Puncturella agger Watson, 1883. A–C. BANGAL 0711, GOC6, 903 m, 4.0 mm. D–F. SEAMOUNT 1, DW116, 985–1000 m, 4.0 mm, SEM micrographs of protoconch and sculpture. G–I. SEAMOUNT 1, DW116, 985–1000 m, 4.4 mm. J–L. Syntype (NHMUK 1887.2.9.130), Challenger expedition, Station 24 (18°38′30″ N, 65°5′30″ W) off Culebra Island, West Indies, 390 fathoms [713 m], 4.1 mm, courtesy and © NHMUK. M–N. Galicia Bank, campaigns 1980‒1981 by Instituto de Investigaciones Pesqueras de Vigo-CSIC, 590–900 m, same specimen figured as Puncturella profundi (Jeffreys, 1887) in Rolán Mosquera & Pérez-Gándaras (1981: 6, pl. 1 fig. 4), and Rolán Mosquera (1983: 68), 6.0 mm. Scale bars: A–D, G–M = 1 mm; E–F = 200 µm.
Climate transition at the Eocene - Oligocene influenced by bathymetric changes to the Atlantic - Arctic oceanic gateways
<p>This data includes input and output fields of the Norwegian Earth System model simulations targeting the Eocene-Oligocene boundary, and the data accompanies a scientific article with the same name (DOI 10.1073/pnas.2115346119). This data is aimed to provide users enough data to reproduce the figures appearing in the article and to analyze the steady state behavior beyond what is discussed in the article. We also provide the ocean bathymetry and atmospheric topography that allows others to create a model setup similar to what is used in the article.</p> <p>For most files there are two output periods 1450-1500 is a common period for the experiments: Late Eocene and cases 1-5. This period the average over the last 50 years of the experiments that were branched of the common spinup at year 1000. The latter period 2650-2700 includes continuation of the Late Eocene and Case 2 simulations and their lower CO2 counterparts (branched of from their parent simulations at year 2000). For more information of the simulations and the setup, we refer to the parent article.</p> <p>In addition to the output files, we also share the grid files of the ocean model (grid*.nc) and the topography used by the atmospheric model (ATM_TOPO.nc). Note that we did not change the land mask between the experiments which is why there is only one ATM_TOPO, but one grid file per each experiment.</p>
Fig. 1. A in Setaphyes algarvensis sp. nov., the first description of an allomalorhagid mud dragon (Kinorhyncha: Allomalorhagida) from Portugal (Eastern Atlantic Ocean)
Fig. 1. A. Map showing the sampling area of Alvor (Faro, Portugal). B. Close-up of the sampling area. Green point marks the sampling site.
Fig. 5 in Setaphyes algarvensis sp. nov., the first description of an allomalorhagid mud dragon (Kinorhyncha: Allomalorhagida) from Portugal (Eastern Atlantic Ocean)
Fig. 5. Boxplots represent the ranges of different body measurements of Setaphyes algarvensis sp. nov., and S. kielensis (Zelinka, 1928). A. Total trunk length. B. Relationship between total trunk length and lateral terminal spine length; arrow points out the female of S. algarvensis sp. nov. C. Relationship between total trunk length and lateral terminal spine length among males and females of S. kielensis. D. Relationship between total trunk length and lateral terminal spine length among the males of both
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