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![Examples of extreme aberrant forms of early Danian planktic foraminifera. S...]()
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![Scanning-electron-microscope images of Danian planktonic foraminifera speci...]()
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![Stable isotopic signals of multiple size fractions of 13 species of early P...]()
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![Scanning electron microscope images of Paleocene planktonic foraminifera an...]()
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Image
SEM micrographs of species of the family Guembelitriidae recovered from the...
in PHENOTYPIC PLASTICITY, SPECIATION, AND PHYLOGENY IN EARLY DANIAN PLANKTIC FORAMINIFERA
> Journal of Foraminiferal Research
Published: 01 April 2014
(lower Zone Pα); 4 (USNM 597303; scale bar = 20 μm), 24–27 cm (Zone P1c). 7–11 Woodringina irregularis : 7 (USNM 597306), 8 (USNM 597307), 9 (USNM 597308), 10 (USNM 597309), 58–61 cm (Zone P1a); 11 (USNM 597310), 132–134 cm (lower Zone Pα). 12–15 Woodringina claytonensis : 12 (USNM 597311), 13 (USNM
Image
Stratigraphic ranges and phylogenetic relationships inferred for Danian spe...
in PHENOTYPIC PLASTICITY, SPECIATION, AND PHYLOGENY IN EARLY DANIAN PLANKTIC FORAMINIFERA
> Journal of Foraminiferal Research
Published: 01 April 2014
Figure 16 Stratigraphic ranges and phylogenetic relationships inferred for Danian species of Parvularugoglobigerina, Guembelitria, Woodringina, Chiloguembelina , and Globoconusa . The “?” on dashed thin lines represent uncertain phylogenetic relationships.
Journal Article
PHENOTYPIC PLASTICITY, SPECIATION, AND PHYLOGENY IN EARLY DANIAN PLANKTIC FORAMINIFERA
Journal: Journal of Foraminiferal Research
Published: 01 April 2014
Journal of Foraminiferal Research (2014) 44 (2): 109–142.
... (lower Zone Pα); 4 (USNM 597303; scale bar = 20 μm), 24–27 cm (Zone P1c). 7–11 Woodringina irregularis : 7 (USNM 597306), 8 (USNM 597307), 9 (USNM 597308), 10 (USNM 597309), 58–61 cm (Zone P1a); 11 (USNM 597310), 132–134 cm (lower Zone Pα). 12–15 Woodringina claytonensis : 12 (USNM 597311), 13 (USNM...
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Journal Article
Planktonic Foraminiferal Endemism at Southern High Latitudes Following the Terminal Cretaceous Extinction
Journal: Journal of Foraminiferal Research
Published: 01 October 2020
Journal of Foraminiferal Research (2020) 50 (4): 382–402.
... Indian Ocean) show a much different record of post-extinction recovery than anywhere outside the circum-Antarctic region. Species of Woodringina and Parvularugoglobigerina , genera with well-documented evolutionary successions within the early Danian P0 and Pα biozones at tropical/subtropical and mid...
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Journal Article
Evidences of Palaeocene marine breccias unconformably overlying the Cretaceous orogenic axis of the Pyrenees, between Garonne and Gave de Pau
Publisher: Société Géologique de France
Published: 01 November 2002
Bulletin de la Société Géologique de France (2002) 173 (6): 523–532.
..., the following taxa: Globanomalina compressa, Gl. ehrenbergi, Gl. imitata, Parasubbotina varianta, P. variospira, Igorina pusilla, Morozovella angulata, M. praeangulata, Praemurica spiralis, Pr. inconstans and Woodringina hornestownensis . This assemblage is also laterally present within the marine carbonate...
Image
Examples of extreme aberrant forms of early Danian planktic foraminifera. S...
in Blooms of aberrant planktic foraminifera across the K/Pg boundary in the Western Tethys: causes and evolutionary implications
> Paleobiology
Published: 13 July 2018
sp. or Woodringina sp., general monstrosity (probably attached twins with abnormal, kummerform, and protuberant chambers). E, W. hornerstownensis , double or twinned ultimate chambers. F, Guembelitria sp. or Woodringina sp., general monstrosity (probably attached twins with abnormal chambers
Journal Article
Evolutionary ecology of Early Paleocene planktonic foraminifera: size, depth habitat and symbiosis
Journal: Paleobiology
Publisher: Paleontological Society
Published: 01 June 2012
Paleobiology (2012) 38 (3): 374–390.
... overlaps stratigraphically with Pr. taurica, is unknown. Using similar arguments, D'Hondt and Zachos (1993) speculated that photosymbiosis appeared earlier and outside of Praemurica in the small (typically <150 µm), post-extinction colonists Eoglobigerina eobulloides, Woodringina sp...
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Image
Scanning-electron-microscope images of Danian planktonic foraminifera speci...
in Planktonic Foraminiferal Biostratigraphy, Microfacies Analysis, Sequence Stratigraphy, and Sea-Level Changes Across the Cretaceous–Paleogene Boundary In the Haymana Basin, Central Anatolia, Turkey
> Journal of Sedimentary Research
Published: 01 May 2015
, sample no. B19, Zone P1a, umblical view 14) Parasubbotina pseudobulloides PLUMMER, sample no. B16, Zone Pα, spiral view. 15) Parasubbotina pseudobulloides PLUMMER, sample no. B19, Zone P1a, umbilical view. 16.) Guembelitria cretacea CUSHMAN, sample no. A60, Zone P1a, side view. 17) Woodringina
Image
Stratigraphic ranges of planktic foraminifera, spores and pollen, and plank...
in Multi-proxy record of the Chicxulub impact at the Cretaceous-Paleogene boundary from Gorgonilla Island, Colombia
> Geology
Published: 26 April 2018
, Pv .— Parvulorugoglobigerina , W .— Woodringina , Ch .— Chiloguembelina , E .— Eoglobigerina , G .— Globalomalina , P .— Parasubbotina . Spores and pollen abbreviations: C .— Cyathidites , T .— Tricolpites , D .— Dictyophyllidites , Cb .— Cibotiidites, Dt .— Deltoidospora , G
Image
Quantitative stratigraphic distribution of planktic foraminiferal groups an...
in Blooms of aberrant planktic foraminifera across the K/Pg boundary in the Western Tethys: causes and evolutionary implications
> Paleobiology
Published: 13 July 2018
, Palaeoglobigerina , and Parvularugoglobigerina ; the biserial group includes Woodringina and Chiloguembelina ; and other Danian genera include Trochoguembelitria , Eoglobigerina , Parasubbotina , Globanomalina , Praemurica , Subbotina , and Globoconusa . Curves with black shading represent
Journal Article
Blooms of aberrant planktic foraminifera across the K/Pg boundary in the Western Tethys: causes and evolutionary implications
Journal: Paleobiology
Publisher: Paleontological Society
Published: 13 July 2018
Paleobiology (2018) 44 (3): 460–489.
... sp. or Woodringina sp., general monstrosity (probably attached twins with abnormal, kummerform, and protuberant chambers). E, W. hornerstownensis , double or twinned ultimate chambers. F, Guembelitria sp. or Woodringina sp., general monstrosity (probably attached twins with abnormal chambers...
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Image
Biostratigraphic distribution and relative abundance estimates of key plank...
in PHENOTYPIC PLASTICITY, SPECIATION, AND PHYLOGENY IN EARLY DANIAN PLANKTIC FORAMINIFERA
> Journal of Foraminiferal Research
Published: 01 April 2014
Figure 4 Biostratigraphic distribution and relative abundance estimates of key planktic foraminiferal species of the families Guembelitriidae ( Globoconusa = Gl ., Guembelitria = Gu ., Parvularugoglobigerina = P ., and Woodringina = W .) and Chiloguembelinidae ( Chiloguembelina = Ch
Journal Article
Planktonic Foraminiferal Biostratigraphy, Microfacies Analysis, Sequence Stratigraphy, and Sea-Level Changes Across the Cretaceous–Paleogene Boundary In the Haymana Basin, Central Anatolia, Turkey
Journal: Journal of Sedimentary Research
Publisher: SEPM Society for Sedimentary Geology
Published: 01 May 2015
Journal of Sedimentary Research (2015) 85 (5): 489–508.
..., sample no. B19, Zone P1a, umblical view 14) Parasubbotina pseudobulloides PLUMMER, sample no. B16, Zone Pα, spiral view. 15) Parasubbotina pseudobulloides PLUMMER, sample no. B19, Zone P1a, umbilical view. 16.) Guembelitria cretacea CUSHMAN, sample no. A60, Zone P1a, side view. 17) Woodringina...
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Image
Stable isotopic signals of multiple size fractions of 13 species of early P...
in Evolutionary ecology of Early Paleocene planktonic foraminifera: size, depth habitat and symbiosis
> Paleobiology
Published: 01 June 2012
. Abbreviations of genera: M, Morozovella; Pr, Praemurica; S, Subbotina; P, Parasubbotina; E, Eoglobigerina; W, Woodringina. Gray vertical dashed lines indicate approximate onset of adult ecology for planktonic foraminifera according to Brummer et al. (1987) . ΔT = maximum interspecies δ 18 O offset equivalent
Journal Article
Impact and extinction in remarkably complete Cretaceous-Tertiary boundary sections from Demerara Rise, tropical western North Atlantic
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 01 January 2007
GSA Bulletin (2007) 119 (1-2): 101–115.
... poorly preserved Cretaceous specimens, the survivor genus Hedbergella , and the Paleogene genera Woodringina , Chiloguembelina , and Eoglobigerina (Fig. 5) . Examination of the boundary thin section suggests that there is a stratigraphy among foraminifera in the 2 cm interval represented by the bulk...
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Scanning electron microscope images of Paleocene planktonic foraminifera an...
in Evolutionary ecology of Early Paleocene planktonic foraminifera: size, depth habitat and symbiosis
> Paleobiology
Published: 01 June 2012
); 26, Subbotina triloculinoides (from 1262B-20H-4, 194.41 mcd); 27, S. trivialis (from 1262C-11H-2, 195.84 mcd); 28, Parasubbotina varianta (from 1262C-11H-2, 196.29 mcd); 29, Eoglobigerina eobulloides (from 1262B-22H-3, 214.0 mcd); 30, Woodringina hornerstownensis (from 1262C-12H-3, 206.01 mcd
Image
Scanning electron illustrations of tiny early Danian species from the Beloc...
in Age, chemo- and biostratigraphy of Haiti spherule-rich deposits: a multi-event K–T scenario
> Canadian Journal of Earth Sciences
Published: 29 January 2001
. Woodringina claytonensis Loeblich and Tappan, Beloc B4a-4, base of SRD zone Pla(1). Note the high curved aperture may place this specimen in W. kelleri MacLeod (see MacLeod 1993 ). Fig. 2. Pseudoguembelina sp. juvenile specimen, Beloc B4a-4, base of SRD zone Pla(1). Figs. 3, 4. Parvularugoglobigerina
Journal Article
Age, chemo- and biostratigraphy of Haiti spherule-rich deposits: a multi-event K–T scenario
Journal: Canadian Journal of Earth Sciences
Publisher: Canadian Science Publishing
Published: 29 January 2001
Canadian Journal of Earth Sciences (2001) 38 (2): 197–227.
... . Woodringina claytonensis Loeblich and Tappan, Beloc B4a-4, base of SRD zone Pla(1). Note the high curved aperture may place this specimen in W. kelleri MacLeod (see MacLeod 1993 ). Fig. 2. Pseudoguembelina sp. juvenile specimen, Beloc B4a-4, base of SRD zone Pla(1). Figs. 3, 4. Parvularugoglobigerina...
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Figure 1. Planktic foraminiferal evolutionary records from Deep Sea Drillin...
in Pelagic evolution and environmental recovery after the Cretaceous-Paleogene mass extinction
> Geology
Published: 01 April 2006
.— Parvularugoglobigerina , G .— Globoconusa , Z .— Zeauvigerina , W .— Woodringina , C .— Chiloguembelina , H .— Hedbergella , Gl .— Globanomalina , E .— Eoglobigerina , P .— Parasubbotina , S .— Subbotina , Pr .— Praemurica , I .— Igorina , M .— Morozovella , A .— Acarinina
Image
Figure 5. Selected planktic foraminifera from below and above the Cretaceou...
in Impact and extinction in remarkably complete Cretaceous-Tertiary boundary sections from Demerara Rise, tropical western North Atlantic
> GSA Bulletin
Published: 01 January 2007
1259C-8R-5, 80–82 cm; (H) Rugoglobigerina spinosa ( Masters, 1993 ), sample 1259C-8R-5, 96–98 cm (probably reworked, see text); (I) Woodringina hornerstownensis Olsson, 1960 , Sample 1259C-8R-5, 96–98 cm; (J) Pseudoguembelina excolata ( Cushman, 1926 ), sample 1259C-8R-5, 96–98 cm (probably
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