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Impagidinium obscurum

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Journal Article
Journal: Palynology
Published: 02 April 2020
Palynology (2020) 44 (2): 382–390.
...Manuel Vieira; Manuel Casas-Gallego; Salih Mahdi; Jim Fenton Abstract This paper presents the formal description of Impagidinium obscurum sp. nov. from the Thanetian strata of northwest Europe. The palaeogeographic distribution of this species covers a wide area, ranging from the North Sea...
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Geographical distribution of  <span class="search-highlight">Impagidinium</span> <span class="search-highlight">obscurum</span>  sp. nov. occurrences i...
Published: 02 April 2020
Figure 3. Geographical distribution of Impagidinium obscurum sp. nov. occurrences in the Shell Northwest Europe Microfossil Database. A, location of the holotype well, 25/8-4; B, location of well 6304/3-1. Source: Authors.
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(1–9)  <span class="search-highlight">Impagidinium</span> <span class="search-highlight">obscurum</span>  sp. nov. (1) Holotype specimen in dorsal view...
Published: 02 April 2020
Plate 1. (1–9) Impagidinium obscurum sp. nov. (1) Holotype specimen in dorsal view, focus in dorsal view. Size 63 × 58 μm, England Finder (EF) coordinates: V50.1/2. Core sample at 1742.48 m from well 25/8-4. (2) Interpretation of the specimen tabulation in dorsal view. (3) Schematic drawing
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Simplified lithostratigraphy, the main published Thanetian events (adapted ...
Published: 02 April 2020
Figure 1. Simplified lithostratigraphy, the main published Thanetian events (adapted from Gradstein et al. 1992 , 2010 ; Mudge and Bujak 1996 ) and the stratigraphic range of Impagidinium obscurum sp. nov., in association with other published age markers. The different widths of lines
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Figure 1  is from a cuttings sample at 3237 m from well 6304/3-1, and figur...
Published: 02 April 2020
Plate 2. Figure 1 is from a cuttings sample at 3237 m from well 6304/3-1, and figures 2–12 are from a core sample at 1742.48 m from well 25/8-4. (1–6) Impagidinium obscurum sp. nov. (1) Size 72 × 77 μm, England Finder (EF) coordinates: L47. (2) Size 62 × 66 μm, EF coordinates: G38.1. (3) Size
Journal Article
Journal: Palynology
Published: 01 June 2010
Palynology (2010) 34 (1): 90–124.
... wall. Figures 3, 4. Impagidinium sp. cf. I. patulum (Wall 1967) Stover & Evitt 1978 . Sample OH 12, slide 2, EF G49. Specimen in left ventrolateral view, 3 – low focus on the precingular archeopyle, 4 – high focus. Figure 5. Spiniferites twistringiensis (Maier 1959) Fensome et al. 1990...
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Journal Article
Journal: Palynology
Published: 01 January 2000
Palynology (2000) 24 (1): 187–200.
..., Senegalinium obscurum , and Palaeocystodinium benjaminii . The species Cerodinium markovae is particularly abundant at 374.0 m. Pollen and spores are also present in this assemblage, and consist primarily of Normapolles with somewhat less abundant Postnormapolles . The pollen Anacolosidites insignis...
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Journal Article
Journal: Palynology
Published: 01 January 2002
Palynology (2002) 26 (1): 5–33.
.... indicum, E. irregulare, E ? novissimum, E. obscurum and E. reticulatum are all new combinations of taxa with neutral torsion which were previously placed in Scriniodinium . Additionally, Aldorfia warringtonii is transferred to Apteodinium because it displays dextral torsion. Scriniodinium and Endoscrinium...
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Journal Article
Journal: Palynology
Published: 01 December 2010
Palynology (2010) 34 (2): 195–232.
... Hystrichokolpoma spp.; Plate 6, fig. 13, 16 Hystrichokolpoma ? sp. 1 sensu Heilmann-Clausen and Van Simayes 2005; Plate 6, figs. 10–12 ; Plate 8, figs. 10, 11 Impagidinium dispertitum (Cookson & Eisenack 1965) Stover & Evitt 1978 Lentinia ? wetzelii (Morgenroth 1966) Bujak et al. 1980...
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Journal Article
Journal: Palynology
Published: 01 January 2007
Palynology (2007) 31 (1): 19–36.
... , Eisenackia circumtabulata , Hystrichosphaeridium salpingophorum, Senegalinium obscurum, and Trithyrodinium evittii . This assemblage is clearly within the Early Paleogene (Danian) dinoflagellate cyst zone 5 of Askin (1988a) . The freshwater/brackish alga Botryococcus braunii was also observed...
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Journal Article
Journal: Palynology
Published: 01 January 2002
Palynology (2002) 26 (1): 59–93.
.... Impagidinium californiense (Plate 7, figs. 6–7 ) in the lowest sample may indicate an offshore component to this assemblage. Small peridinioid forms, including Senegalinium obscurum , may be in place or may be reworked from the Paleocene. In addition, the samples include generally poorly preserved material...
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Journal Article
Journal: Palynology
Published: 22 April 2021
Palynology (2021) 45 (2): 337–349.
..., Denmark . Palaeogeography, Palaeoclimatology, Palaeoecology . 350–352 : 212 – 235 . Vieira M , Casas-Gallego M , Mahdi S , Fenton JPG. 2020 . Impagidinium obscurum sp. nov., a marker dinoflagellate cyst for the Thanetian (Paleocene) of the North Sea and the Barents Sea...
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Journal Article
Journal: Palynology
Published: 03 April 2022
Palynology (2022) 46 (2): 1–19.
... . Biogeosciences . 16 ( 21 ): 4201 – 4210 . Vieira M , Casas-Gallego M , Mahdi S , Fenton J. 2020 . Impagidinium obscurum sp. nov., a marker dinoflagellate cyst for the Thanetian (Paleocene) of the North Sea and the Barents Sea . Palynology . 44 ( 2 ): 382 – 390 . Vieira...
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Series: The Micropalaeontological Society, Special Publications
Published: 01 January 2013
DOI: 10.1144/TMS5.16
EISBN: 9781862396500
... in the Turonian of Dorset, absolute abundances (dinocysts per gram) remain much lower than in the Cenomanian. In the North Sea, Upper Cenomanian dinocyst assemblages are dominated by Odontochitina operculata , Oligosphaeridium complex and Cometodinium obscurum. Dinocysts disappear in the uppermost Cenomanian...