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TitleDinoflagellates
 
AuthorFensome, R A; Munstermann, D K
SourceGeologic time scale 2020, volume 1; by Gradstein, F M (ed.); Ogg, J G (ed.); Schmitz, M D (ed.); Ogg, G M (ed.); 2020 p. 99-108
Image
Year2020
Alt SeriesNatural Resources Canada, Contribution Series 20180332
PublisherElsevier
Edition1
Documentbook
Lang.English
Mediapaper; digital
File formatpdf
ProvinceCanada; British Columbia; Alberta; Saskatchewan; Manitoba; Ontario; Quebec; New Brunswick; Nova Scotia; Prince Edward Island; Newfoundland and Labrador; Northwest Territories; Yukon; Nunavut; Canada
NTS1; 2; 3; 10; 11; 12; 13; 14; 15; 16; 20; 21; 22; 23; 24; 25; 26; 27; 28; 29; 30; 31; 32; 33; 34; 35; 36; 37; 38; 39; 40; 41; 42; 43; 44; 45; 46; 47; 48; 49; 52; 53; 54; 55; 56; 57; 58; 59; 62; 63; 64; 65; 66; 67; 68; 69; 72; 73; 74; 75; 76; 77; 78; 79; 82; 83; 84; 85; 86; 87; 88; 89; 92; 93; 94; 95; 96; 97; 98; 99; 102; 103; 104; 105; 106; 107; 114O; 114P; 115; 116; 117; 120; 340; 560
Areaworld
Lat/Long WENS-180.0000 180.0000 90.0000 -90.0000
Subjectspaleontology; stratigraphy; marine geology; Nature and Environment; Science and Technology; micropaleontology; microfossils; biostratigraphy; fossil morphology; evolution; taxonomy; marine organisms; Dinoflagellates; Biology; Phanerozoic; Cenozoic; Mesozoic
Illustrationspaleontological drawings; cross-sections; schematic representations; photomicrographs; geochronological charts
ProgramGEM2: Geo-mapping for Energy and Minerals Baffin Petroleum Systems
Released2020 11 12
AbstractMost dinoflagellates are free-living single-celled organisms that inhabit aquatic environments with a mostly organic-walled cyst stage in their life cycle. The evolution of dinoflagellates through their cyst fossils goes back to Middle Triassic. The intricate Jurassic through Cenozoic organic walled cyst taxonomy allows a refined marine biostratigraphy.
Summary(Plain Language Summary, not published)
Dinoflagellate cysts are a primary tool for biostratigraphic and paleoenvironmental analysis in Mesozoic and Cenozoic rocks, including those of the Baffin region. This article is an overview for non-experts of these fossils and their living counterparts, written as a "minichapter" for the upcoming revision of the Geological Time Scale book, the international standard reference for stratigraphy. Dinoflagellates are mainly single-celled organisms that live mostly in marine environments. They have left a fossil record of calcareous and organic-walled cysts. The latter are preserved in palynological (organic-walled microfossil) assemblages and show a remarkable variety of rapidly evolving morphological types, a property that makes them ideal time-marker species. They can occur in the thousands in individual samples, unlike the macrofossil groups that were used initially to develop the geological time scale. They are therefore especially valuable in subsurface stratigraphic studies.
GEOSCAN ID313348

 
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