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Cooksonia

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Journal Article
Journal: Paleobiology
Published: 01 May 2008
Paleobiology (2008) 34 (2): 179–194.
...C. Kevin Boyce Abstract Because of the fragmentary preservation of the earliest Cooksonia -like terrestrial plant macrofossils, younger Devonian fossils with complete anatomical preservation and documented gametophytes often have received greater attention concerning the early evolution of vascular...
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Journal Article
Published: 01 July 1995
Geological Magazine (1995) 132 (4): 449–452.
Image
Scale bars represent 20  μ m. Figures 1, 2.  Florentinia <b>cooksoniae</b> , (1) s...
in > Palynology
Published: 01 December 2011
Plate 2 Scale bars represent 20 μ m. Figures 1, 2. Florentinia cooksoniae , (1) sample FT28, dorsal view, focus on the archaeopyle; (2) sample PU14T, focus on processes. Figure 3. Florentinia ferox , sample PU9, lateral view. Figure 4. Florentinia laciniata , sample PU10B, dorsal view. Figure
Journal Article
Published: 01 January 2011
Rocky Mountain Geology (2011) 46 (2): 137–164.
... of the Western Interior of North America, these zones represent the middle part of the upper Campanian. Dinoflagellate cysts include Alterbidinium acutulum, Cordosphaeridium fibrospinosum, Hystrichodinium pulchrum, Isabelidinium cooksoniae, Laciniadinium firmum , members of the Microdinium group Odontochitina...
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Series: Geological Society, London, Special Publications
Published: 01 January 2009
DOI: 10.1144/SP325.12
EISBN: 9781862395732
.... The left-hand termination is c . 1.1 mm in diameter and the right c . 0.95 mm. Short and wide sporangia terminating smooth isotomously branching axes characterize Cooksonia ( Lang 1937 ), where regularity of branching usually produces sporangia at the same level. It is possible that this latter...
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Journal Article
Published: 01 June 2007
Bulletin of Canadian Petroleum Geology (2007) 55 (2): 160–172.
... nearshore, offshore, and distal marine environments. The nearshore groups were dominated by Taxodiaceaepollenites hiatus (Potonié) Kremp 1949 with important secondary quantities of Psiloschizosporis cooksoniae (Pocock) Ke & Shi 1978 (Groups B and C), Trithyrodinium suspectum (Manum & Cookson) Davey...
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Series: GSA Special Papers
Published: 01 January 2006
DOI: 10.1130/2006.2399(02)
... and decomposers. Ten to fifteen million years older than the oldest previously known complex terrestrial organisms (e.g., Cooksonia ), they provide a new perspective on the early stages of land colonization by complex organisms, whereby the earliest terrestrial communities were built by a guild of thalloid...
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Image
—Interpreted seismic section (AA) along an arbitrary line through wells ME-...
Published: 11 November 1995
= H. borisii FAD, Ico = I. cooksoniae LOD, Aac = A. acutulum LOD, Eha = E. hapala LOD. For further explanation, see text.
Image
—Biostratigraphic correlation between Maastrichtian cores from six Dan fiel...
Published: 11 November 1995
Figure 2 —Biostratigraphic correlation between Maastrichtian cores from six Dan field wells. The width of the shaded correlation lines displays the uncertainty intervals connected to the key dinoflagellate events. 1 = P. grallator FAD; 2 = H. borisii FAD; 3 = I. cooksoniae LOD; 4 = T
Image
FIGURE 7 —Cells with starch grains in living and experimentally charred  Ra...
in > PALAIOS
Published: 01 April 2004
lining; NMW99.20G.18; Scale bar = 5μm. (E–F) Longitudinally fractured central cells in unidentifiable sterile fossil axes. Scale bars = 5μm. (E) From D; NMW99.20G.18. (F) NMW99.20G.17. (G) Cells lining sporangium of Cooksonia banksii ; stub HD402; scale bar = 5μm
Image
Early Aptian dinoflagellate cysts . The sample/slide number and depth, Engl...
in > Palynology
Published: 01 March 2016
; Eisenack 1958) Davey, 1969, slide AT-27, 8850 ft, H42/3, (143). 12. Florentinia cooksoniae ( Singh 1971 ) Duxbury 1980 , slide AT-21A, 9150 ft, K30/3, (139). 15. Cyclonephelium vannophorum Davey, 1969, slide AT-12A, 9600 ft, K28/4, (153). 16. Pseudoceratium almohadense (Below 1984) Lentin &
Image
Palynomorphs from upper Campanian Pierre Shale, South Dakota and Colorado, ...
Published: 01 January 2011
; Sample 5, South Dakota, AMNH slide 54819, coord 125.2/8.6. E , Isabelidinium cooksoniae (Alberti, 1959) Lentin and Williams, 1977; Sample 5, South Dakota, AMNH slide 54819, coord. 125.3/16. F , Laciniadinium firmum ( Harland, 1973 ) Morgan, 1977; Sample 9, South Dakota, AMNH slide 54827, coord
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Dinoflagellates and other microplankton. The sample number, slide designati...
in > GeoArabia
Published: 01 October 2000
and Verdier, 1973 . Sample 8; slide 1; 2,605 ft; D25/2. (5) Florentinia berran Below, 1982 . Sample 8; slide 1; 2,408 ft; C31/3. (6) Florentinia laciniata Davey and Verdier, 1973 . Sample 6; slide 1; 2,605 ft; Q68/3. (7) Florentinia cooksoniae Singh, 1971 . Sample 9; slide 1; 2,388 ft; D37/2. (8
Series: Geological Society, London, Memoirs
Published: 01 January 2013
DOI: 10.1144/M38.29
EISBN: 9781862396425
.... (2003) (L1) Maine, USA Llandovery (?Telychian) Invertebrates Eohostimella heathana b Schopf et al. (1966) (W1) Tipperary, Ireland Wenlock (Homerian) Graptolites Cooksonia sp. Edwards et al. (1983) (W2) Czech Republic Wenlock Graptolites Cooksonia sp. Libertin et...
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Image
The scale bar has the following values: for ×40 = 25 μm; for ×50 = 20 μm; f...
Published: 01 December 2014
. Dinocyst. Sample 80028-7-M01; slide P5110-4C. ×50 14. Heterosphaeridium heteracanthum . Dinocyst. Sample 78029-10-M01; slide P5110-9C. ×40 15. Membranosphaera maastrichtica . Dinocyst, Sample 78029-26MO2; slide P5110-7D. Width = 48 μm 16. Kleithriasphaeridium cooksoniae . Dinocyst. Sample 80028-7-M01
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Scale bar in figure 10 represents 40  μ m for all specimens. The photomicro...
in > Palynology
Published: 01 June 2010
, archeopyle, cingulum and antapical horn. Figure 6. Cribroperidinium cooksoniae Norvick 1976. Sample OH 19, slide 2, EF V33/3. Specimen in left dorsolateral view, high focus. Figures 7, 8. Kenleyia ? sp. A. 7 – sample OH 14, slide 1, EF F35/1. Specimen in dorsal view, high focus on the precingular
Image
FIGURE 4 —Homogenization of walls, and cell contents in the form of intrace...
in > PALAIOS
Published: 01 April 2004
cells of naturally dried then charred Polytrichum formosum stem (400°C for 10 mins); stub 2003/7; scale bar = 10μm. (I) Strand in cortical cell of axis of Lochkovian Cooksonia banksii ; stub HD402; scale bar = 5μm. (J–L) Occasional strands in cells of longitudinally fractured unidentified sterile
Journal Article
Published: 01 March 2000
Geological Magazine (2000) 137 (2): 207–209.
... younger than the oldest known examples of Cooksonia (Homerian in age), which are generally accepted to be the first land plants. However, there is doubt about the determination of the graptolite species, since some of its characters appear to range into those of other, Devonian graptolite species...
FIGURES
Journal Article
Journal: Palynology
Published: 02 January 2019
Palynology (2019) 43 (1): 151–173.
... marinum , sample SE-201033. Figure 6. Dinopterygium cladoides , sample SE-201046. Figure 7. Exochosphaeridium majus , sample SE-201039. Figure 8. E. phragmites , sample SE-201046. Figure 9. Kleithriasphaeridium cooksoniae , sample SE-201023...
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Journal Article
Journal: AAPG Bulletin
Published: 11 November 1995
AAPG Bulletin (1995) 79 (11): 1650–1660.
... = H. borisii FAD, Ico = I. cooksoniae LOD, Aac = A. acutulum LOD, Eha = E. hapala LOD. For further explanation, see text. ...
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