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Late Ordovician (Katian) spores in Sweden : oldest land plant remains from Baltica

Salah Badawy, Ahmed ; Mehlqvist, Kristina LU ; Vajda, Vivi LU ; Ahlberg, Per LU and Calner, Mikael LU (2014) In GFF 136(1). p.16-21
Abstract
A palynologial study of the Ordovician-Silurian boundary (Katian–Rhuddanian) succession in the Röstånga-1 drillcore, southern Sweden, has been performed. The lithology is dominated by mudstone and graptolitic shale, with subordinate limestone, formed in the deeper marine halo of southern Baltica. The palynological assemblages are dominated by marine microfossils, mainly chitinozoans and acritarchs. Sparse but well preserved cryptospores, including Tetrahedraletes medinensis, T. grayii and Pseudodyadospora sp., were encountered in the Lindegård Formation (late Katian–early Hirnantian), with the oldest record just above the first appearance of the graptolite species Dicellograptus complanatus. This represents the earliest record of early... (More)
A palynologial study of the Ordovician-Silurian boundary (Katian–Rhuddanian) succession in the Röstånga-1 drillcore, southern Sweden, has been performed. The lithology is dominated by mudstone and graptolitic shale, with subordinate limestone, formed in the deeper marine halo of southern Baltica. The palynological assemblages are dominated by marine microfossils, mainly chitinozoans and acritarchs. Sparse but well preserved cryptospores, including Tetrahedraletes medinensis, T. grayii and Pseudodyadospora sp., were encountered in the Lindegård Formation (late Katian–early Hirnantian), with the oldest record just above the first appearance of the graptolite species Dicellograptus complanatus. This represents the earliest record of early land plant spores from Sweden and possibly also from Baltica and implies that land plants had migrated to the palaeocontinent Baltica by at least the Late Ordovician. (Less)
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author
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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Stratigraphy, palynology, Thermal Alteration Index (TAI), Ordovician, Silurian, Röstånga-1 drillcore, Skåne, Sweden
in
GFF
volume
136
issue
1
pages
16 - 21
publisher
Taylor & Francis
external identifiers
  • wos:000335945500004
  • scopus:84901195198
ISSN
2000-0863
DOI
10.1080/11035897.2014.899266
language
English
LU publication?
yes
id
5e0fe8af-fd05-4fc6-abf6-c8e8cfc76419 (old id 4281304)
date added to LUP
2016-04-01 10:01:39
date last changed
2021-09-15 02:22:53
@article{5e0fe8af-fd05-4fc6-abf6-c8e8cfc76419,
  abstract     = {A palynologial study of the Ordovician-Silurian boundary (Katian–Rhuddanian) succession in the Röstånga-1 drillcore, southern Sweden, has been performed. The lithology is dominated by mudstone and graptolitic shale, with subordinate limestone, formed in the deeper marine halo of southern Baltica. The palynological assemblages are dominated by marine microfossils, mainly chitinozoans and acritarchs. Sparse but well preserved cryptospores, including Tetrahedraletes medinensis, T. grayii and Pseudodyadospora sp., were encountered in the Lindegård Formation (late Katian–early Hirnantian), with the oldest record just above the first appearance of the graptolite species Dicellograptus complanatus. This represents the earliest record of early land plant spores from Sweden and possibly also from Baltica and implies that land plants had migrated to the palaeocontinent Baltica by at least the Late Ordovician.},
  author       = {Salah Badawy, Ahmed and Mehlqvist, Kristina and Vajda, Vivi and Ahlberg, Per and Calner, Mikael},
  issn         = {2000-0863},
  language     = {eng},
  number       = {1},
  pages        = {16--21},
  publisher    = {Taylor & Francis},
  series       = {GFF},
  title        = {Late Ordovician (Katian) spores in Sweden : oldest land plant remains from Baltica},
  url          = {http://dx.doi.org/10.1080/11035897.2014.899266},
  doi          = {10.1080/11035897.2014.899266},
  volume       = {136},
  year         = {2014},
}