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Paterimitra pyramid...
Paterimitra pyramidalis from South Australia : Scleritome, shell structure and evolution of a lower Cambrian stem group brachiopod
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- Larsson, Cecilia M. (författare)
- Uppsala universitet,Paleobiologi,Uppsala Universitet
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- Skovsted, Christian, 1974- (författare)
- Naturhistoriska riksmuseet,Enheten för paleobiologi
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- Brock, Glenn A. (författare)
- Macquarie Univ, Dept Biol Sci, Sydney, NSW 2109, Australia,Macquarie University, Sydney, Australia
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- Balthasar, Uwe (författare)
- Univ Glasgow, Sch Geog & Earth Sci, Glasgow G12 8QQ, Lanark, Scotland,University of Glasgow
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- Topper, Timmothy P. (författare)
- Geol Museum, DK-1350 Copenhagen, Denmark,Geological Museum, Copenhagen
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- Holmer, Lars E. (författare)
- Uppsala universitet,Paleobiologi,Uppsala Universitet
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(creator_code:org_t)
- 2013-10-08
- 2014
- Engelska.
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Ingår i: Palaeontology. - : Wiley. - 0031-0239 .- 1475-4983. ; 57:2, s. 417-446
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https://nrm.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The tommotiid Paterimitra pyramidalis Laurie, 1986, is redescribed based on well-preserved material from the lower Cambrian Wilkawillina, Wirrapowie and Ajax limestones of the Flinders Ranges, South Australia. The material shows that the scleritome of Paterimitra pyramidalis includes three sclerite morphotypes (S1, S2 and L). Detailed shell microstructure studies show striking similarities with both the paterinid brachiopod Askepasma toddense and the tommotiid Eccentrotheca helenia, which strengthens the suggested evolutionary link between tommotiids and brachiopods. Based on the partly articulated specimens and similarities in shell microstructure and sclerite morphology with Eccentrotheca, Paterimitra pyramidalis is reconstructed as a tube-dwelling, epifaunal, sessile, filter-feeder with an organic pedicle-like attachment structure. The proposed reconstruction of the scleritome comprises a basal unit composed of one S1 and one S2 sclerite, as well as an unresolved number of L sclerites lining a coniform tubular structure.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Geologi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Annan geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Other Earth and Related Environmental Sciences (hsv//eng)
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
Nyckelord
- Tommotiida
- Brachiopoda
- Paterimitra
- scleritome structure
- lower Cambrian
- South Australia
- Earth Science with specialization in Historical Geology and Palaeontology
- Geovetenskap med inriktning mot historisk geologi och paleontologi
- Ecosystems and species history
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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