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Exotic trilobites from the uppermost Cambrian Series 3 and lower Furongian of Sweden

Zylinska, Anna; Weidner, Thomas; Ahlgren, John and Ahlberg, Per LU (2015) In Acta Geologica Polonica 65(1). p.21-67
Abstract
Seventeen taxa of exotic trilobites representing eight families are described from the olenid- and agnostoid-dominated strata of the uppermost Cambrian Series 3 and lower Furongian alum shale facies of Sweden and from glacial erratic boulders of Denmark. Only the taxa are assigned to species level, i.e., Maladioidella abdita (Salter, 1866), Olentella rara (Westergard, 1922), Pedinocphalus peregrinus (Henningsmoen, 1957), Ptychoparia pusilla (Westergard. 1922), and Westergaardella olenorum (Westergard, 1922), whereas the others are left under open nomenclature or remain unrecognized. Most are described for the first time from the Cambrian of Scandinavia. Their affinities point to a strong connection with East Gondwana, Laurentia,... (More)
Seventeen taxa of exotic trilobites representing eight families are described from the olenid- and agnostoid-dominated strata of the uppermost Cambrian Series 3 and lower Furongian alum shale facies of Sweden and from glacial erratic boulders of Denmark. Only the taxa are assigned to species level, i.e., Maladioidella abdita (Salter, 1866), Olentella rara (Westergard, 1922), Pedinocphalus peregrinus (Henningsmoen, 1957), Ptychoparia pusilla (Westergard. 1922), and Westergaardella olenorum (Westergard, 1922), whereas the others are left under open nomenclature or remain unrecognized. Most are described for the first time from the Cambrian of Scandinavia. Their affinities point to a strong connection with East Gondwana, Laurentia, Kazakhstania and Siberia. Exotic trilobites appear in the succession directly after periods of very low oxygen concentration in the Alum Shale Sea; their occurrences correspond to the ranges of agnostoid arthropods in the succession and seem to be linked to global transgressive events causing an influx of cool mid or oxygen depleted waters onto the shelf of the Baltica palaeocontinent (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Trilobita, Cambrian Series 3, Furongian, Alum Shale, Glacial erratic, boulders, Sweden, Denmark, Scandinavia, Exotic trilobites
in
Acta Geologica Polonica
volume
65
issue
1
pages
21 - 67
publisher
Polska Akad Nauk, Polish Acad Sciences, Univ Warsaw, Geology Dept
external identifiers
  • wos:000351929100002
  • scopus:84926157304
ISSN
0001-5709
DOI
10.1515/agp-2015-0002
language
English
LU publication?
yes
id
a682dd83-abc9-4ecc-a6b9-422f3b7bb117 (old id 5403050)
date added to LUP
2015-05-19 14:35:49
date last changed
2017-01-01 06:11:43
@article{a682dd83-abc9-4ecc-a6b9-422f3b7bb117,
  abstract     = {Seventeen taxa of exotic trilobites representing eight families are described from the olenid- and agnostoid-dominated strata of the uppermost Cambrian Series 3 and lower Furongian alum shale facies of Sweden and from glacial erratic boulders of Denmark. Only the taxa are assigned to species level, i.e., Maladioidella abdita (Salter, 1866), Olentella rara (Westergard, 1922), Pedinocphalus peregrinus (Henningsmoen, 1957), Ptychoparia pusilla (Westergard. 1922), and Westergaardella olenorum (Westergard, 1922), whereas the others are left under open nomenclature or remain unrecognized. Most are described for the first time from the Cambrian of Scandinavia. Their affinities point to a strong connection with East Gondwana, Laurentia, Kazakhstania and Siberia. Exotic trilobites appear in the succession directly after periods of very low oxygen concentration in the Alum Shale Sea; their occurrences correspond to the ranges of agnostoid arthropods in the succession and seem to be linked to global transgressive events causing an influx of cool mid or oxygen depleted waters onto the shelf of the Baltica palaeocontinent},
  author       = {Zylinska, Anna and Weidner, Thomas and Ahlgren, John and Ahlberg, Per},
  issn         = {0001-5709},
  keyword      = {Trilobita,Cambrian Series 3,Furongian,Alum Shale,Glacial erratic,boulders,Sweden,Denmark,Scandinavia,Exotic trilobites},
  language     = {eng},
  number       = {1},
  pages        = {21--67},
  publisher    = {Polska Akad Nauk, Polish Acad Sciences, Univ Warsaw, Geology Dept},
  series       = {Acta Geologica Polonica},
  title        = {Exotic trilobites from the uppermost Cambrian Series 3 and lower Furongian of Sweden},
  url          = {http://dx.doi.org/10.1515/agp-2015-0002},
  volume       = {65},
  year         = {2015},
}