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Sökning: WFRF:(Bengtson Per) > Phosphatised olenid...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003014naa a2200397 4500
001oai:lup.lub.lu.se:885fa492-ceca-44ab-bdfb-917021010592
003SwePub
008160401s2005 | |||||||||||000 ||eng|
024a https://lup.lub.lu.se/record/2224072 URI
040 a (SwePub)lu
041 a engb eng
042 9 SwePub
072 7a art2 swepub-publicationtype
072 7a ref2 swepub-contenttype
100a Ahlberg, Peru Lund University,Lunds universitet,Berggrundsgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Lithosphere and Biosphere Science,Department of Geology,Faculty of Science4 aut0 (Swepub:lu)geol-pah
2451 0a Phosphatised olenid trilobites and associated fauna from the Upper Cambrian of Vastergotland, Sweden
264 1c 2005
520 a Secondarily phosphatised olenid trilobites from organic-rich limestones (orsten) in the Furongian (Upper Cambrian) of Vastergotland, south-central Sweden, are described and illustrated. All trilobites originate from the Peltura scarabaeoides Zone and were collected on the western slope of Kinnekulle. Only the dorsal exoskeletons have become secondarily phosphatised, and the ventral appendages are not preserved. Yet the material is otherwise remarkably well preserved and reveals the morphology of the olenid trilobites in greater detail than hitherto known. Species belonging to the genera Ctenopyge, Sphaerophthalmus, Parabolina, and Peltura are identified, and several juvenile specimens are present in the material. The material is disarticulated and fragmentary, and it has only been possible to identify a few specimens to species level. In addition to chaetognaths and conodonts, the trilobites are associated with pelmatozoan columnals, a possible camaroid, and fossils of uncertain affinities. These fossils, along with a probable conulariid fragment from the Peltura minor Zone, are also described and discussed. The presence of a benthic fauna of pelmatozoans, and possible conulariids and camaroids, indicates that at least parts of the Peltura zones were deposited during dysoxic rather than anoxic periods. Moreover, the sea floor must have been firm enough to allow colonisation by sessile organisms.
650 7a NATURVETENSKAPx Geovetenskap och miljövetenskapx Geologi0 (SwePub)105042 hsv//swe
650 7a NATURAL SCIENCESx Earth and Related Environmental Sciencesx Geology0 (SwePub)105042 hsv//eng
653 a trilobita
653 a olenidae
653 a problematica
653 a phosphatisation
653 a Cambrian
653 a Shales
653 a Alum
653 a Sweden
653 a Vastergotland
700a Szaniawski, H4 aut
700a Clarkson, ENK4 aut
700a Bengtson, S4 aut
710a Berggrundsgeologib Geologiska institutionen4 org
773t Acta Palaeontologica Polonicag 50:3, s. 429-440q 50:3<429-440x 0567-7920
856u http://app.pan.pl/acta50/app50-429.pdfx freey FULLTEXT
8564 8u https://lup.lub.lu.se/record/222407

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Ahlberg, Per
Szaniawski, H
Clarkson, ENK
Bengtson, S
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Lunds universitet

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