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Cycladophora davisiana

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Journal Article
Published: 01 July 1988
Micropaleontology (1988) 34 (3): 268-276.
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fig. 1.  <b>Cycladophora</b> <b>davisiana</b>  ( Ehrenberg, 1862 ). Original figure of  C...
Published: 01 January 2014
Explanation of Plate 10. fig. 1. Cycladophora davisiana ( Ehrenberg, 1862 ). Original figure of Cleve (1899 , pl. 4, fig. 6). fig. 2. Cycladophora davisiana ( Ehrenberg, 1862 ). Cleve slide #19 (O35/2). fig. 3. Cycladophora davisiana ( Ehrenberg, 1862 ). Cleve slide #36. fig. 4
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Abundance events of  <b>Cycladophora</b> <b>davisiana</b>  throughout the Olduvai subchro...
Published: 01 May 2004
Fig. 2. Abundance events of Cycladophora davisiana throughout the Olduvai subchron of ODP Sites 677, 847, 850, 851 in the eastern equatorial Pacific (after Haslett & Funnell, 1998 ).
Series: GSA Memoirs
Published: 01 January 1976
DOI: 10.1130/MEM145-p337
... Using relative-abundance changes of the radiolarian Cycladophora davisiana calibrated using O 18 /O 16 values and C 14 ages, we have established a high-resolution biostratigraphy for the Antarctic and subantarctic ocean covering the past 150,000 yr. Extremes of this species' relative...
Journal Article
Published: 01 May 2004
Journal of Micropalaeontology (2004) 23 (1): 39-47.
...Fig. 2. Abundance events of Cycladophora davisiana throughout the Olduvai subchron of ODP Sites 677, 847, 850, 851 in the eastern equatorial Pacific (after Haslett & Funnell, 1998 ). ...
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Journal Article
Published: 01 March 1980
Canadian Journal of Earth Sciences (1980) 17 (3): 348-360.
... dose.An equation relating this dose to the age and to dose rates derived from radioactivity analyses is presented. The details are given for six samples from each of two cores and their TL ages calculated; these range from 9–140 ka. For one core independent dates from Cycladophora davisiana variations...
Journal Article
Published: 01 January 1982
Bulletin de la Société Géologique de France (1982) S7-XXIV (3): 555-562.
...J. P. Caulet biostratigraphy Cenozoic cores Cycladophora davisiana factor analysis Indian Ocean Invertebrata microfossils paleoecology Protista Quaternary Radiolaria statistical analysis stratigraphy GeoRef, Copyright 2013, American Geosciences Institute. Reference includes...
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Table  2 —Stratigraphic distributions of  Sphaeropyle robusta ,  Sphaeropyl...
Published: 01 September 2006
. Cycladophora davisiana cornutoides Zone, L.m. Lychnocanoma magnacornuta Zone. All the samples examined in this study were selected from the same samples in the stratotype or parastratotype sections for Motoyama's (1996) radiolarian biozones
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figs 1–19.  Nassellaria:  1 ,  Botryopera  aff.  chlamida  Petrushevskaya, ...
Published: 01 September 2014
, 24–30; 8 , Ceratospyris ? borealis Bailey, sample 902-C9001C, 2H-2, 50–56; 9 , Ceratospyris problematica (Dogiel in Petrushevskaya), sample 902-C9001C, 1H-5, 30–36; 10–12 , Cycladophora davisiana Ehrenberg, sample 902-C9001C, 2H-1, 55–61 and 7H-2, 53.5–62.5; 13 , Lipmanella irregulare
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Records of planktonic foraminifera δ 18 O ( Okada et al., 2005 ), Nd and Sr...
in > Geology
Published: 01 May 2010
and Raymo, 2005 ) is also shown in upper panel. For comparison with Nd records in Fe-Mn leachates, percent Cycladophora davisiana in core ES ( Tanaka and Takahashi, 2005 ) is shown in lower panel. This radiolarian dwells in oxygen-rich intermediate waters, such as Okhotsk Intermediate Water. Triangles
Journal Article
Journal: Geology
Published: 01 May 2010
Geology (2010) 38 (5): 435-438.
... and Raymo, 2005 ) is also shown in upper panel. For comparison with Nd records in Fe-Mn leachates, percent Cycladophora davisiana in core ES ( Tanaka and Takahashi, 2005 ) is shown in lower panel. This radiolarian dwells in oxygen-rich intermediate waters, such as Okhotsk Intermediate Water. Triangles...
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Journal Article
Published: 01 January 2014
Journal of Micropalaeontology (2014) 33 (1): 59-93.
...Explanation of Plate 10. fig. 1. Cycladophora davisiana ( Ehrenberg, 1862 ). Original figure of Cleve (1899 , pl. 4, fig. 6). fig. 2. Cycladophora davisiana ( Ehrenberg, 1862 ). Cleve slide #19 (O35/2). fig. 3. Cycladophora davisiana ( Ehrenberg, 1862 ). Cleve slide #36. fig. 4...
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Journal Article
Published: 01 September 2014
Journal of Micropalaeontology (2014) 33 (2): 205-222.
..., 24–30; 8 , Ceratospyris ? borealis Bailey, sample 902-C9001C, 2H-2, 50–56; 9 , Ceratospyris problematica (Dogiel in Petrushevskaya), sample 902-C9001C, 1H-5, 30–36; 10–12 , Cycladophora davisiana Ehrenberg, sample 902-C9001C, 2H-1, 55–61 and 7H-2, 53.5–62.5; 13 , Lipmanella irregulare...
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Series: Geological Society, London, Memoirs
Published: 01 January 2002
DOI: 10.1144/GSL.MEM.2002.022.01.23
EISBN: 9781862393974
... downcore relative abundance peak of the radiolarian Cycladophora davisiana is correlated with Marine Isotope Stage 2, the Last Glacial Maximum at 18 ka ( Hays et al. 1976 ; Morley & Hays 1979 ). In the Scotia Sea, relative abundance of C. davisiana is low at the top of each core (generally 1–2...
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Series: Geological Society, London, Memoirs
Published: 01 January 2002
DOI: 10.1144/GSL.MEM.2002.022.01.24
EISBN: 9781862393974
... LAD at 1.8 Ma and Eucyrtidium calvertense LAD at 1.9 Ma. Fig. 9. Particle size frequency curves and core logs of cores KC098 and GC062 from the western Falkland Trough (located in Fig. 2 ). Also shown are Cycladophora davisiana curves (2–12%) for both cores and the Ba/Al ratio for core...
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Journal Article
Published: 01 December 2006
Micropaleontology (2006) 52 (5): 449-463.
... the scope of this paper. Petrushevskaya (1967) mentioned that Cycladophora davisiana Ehrenberg var. cornutoides Petrushevskaya “resembles somewhat Halicalyptra cornuta from the northwestern part of the Pacific Ocean ( Bailey 1856 ) in the outline of the shell, particularly the specimen drawn...
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Journal Article
Published: 01 September 2006
Journal of Paleontology (2006) 80 (5): 849-866.
.... Cycladophora davisiana cornutoides Zone, L.m. Lychnocanoma magnacornuta Zone. All the samples examined in this study were selected from the same samples in the stratotype or parastratotype sections for Motoyama's (1996) radiolarian biozones ...
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Journal Article
Published: 01 February 2012
Journal of Micropalaeontology (2012) 31 (1): 29-52.
... thorax. It also differs from Cycladophora davisiana Ehrenberg, 1872 , C. conica Lombari & Lazarus, 1988 , C. cosma Lombari & Lazarus, 1988 and C. robusta Lombari & Lazarus, 1988 in its pore size and disposition, in the constriction and change in contour between the upper and lower...
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