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The evolution of early foraminifera

The evolution of early foraminifera
The evolution of early foraminifera
Fossil Foraminifera appear in the Early Cambrian, at about the same time as the first skeletonized metazoans. However, due to the inadequate preservation of early unilocular (single-chambered) foraminiferal tests and difficulties in their identification, the evolution of early foraminifers is poorly understood. By using molecular data from a wide range of extant naked and testate unilocular species, we demonstrate that a large radiation of nonfossilized unilocular Foraminifera preceded the diversification of multilocular lineages during the Carboniferous. Within this radiation, similar test morphologies and wall types developed several times independently. Our findings indicate that the early Foraminifera were an important component of Neoproterozoic protistan community, whose ecological complexity was probably much higher than has been generally accepted.
Abbreviations: SSU, small subunit; NJ, neighbor joining; ML, maximum likelihood; Ma, mega-annum
0027-8424
11494-11498
Pawlowski, J.
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Holzmann, M.
f1cc4b13-61a4-4c6c-848e-8bf4f1b463a4
Berney, C.
52ddb58f-5005-44d7-b03b-4d5f9be1a6bc
Fahrni, J.
bc8c0fdf-aa65-4fac-bb76-d3dd050358f9
Gooday, A.J.
d9331d67-d518-4cfb-baed-9df3333b05b9
Cedhagen, T.
4191b595-25ab-4e65-8bbe-4bd8a3de60ea
Habura, A.
fc8ccd8a-b3a1-4ae6-b0e2-4deeae6f8ad3
Bowser, S.S.
dd6f39ad-d90e-431d-aed1-6dc75c4fef56
Pawlowski, J.
9d04de3b-7ced-436c-8279-071c60ea5af1
Holzmann, M.
f1cc4b13-61a4-4c6c-848e-8bf4f1b463a4
Berney, C.
52ddb58f-5005-44d7-b03b-4d5f9be1a6bc
Fahrni, J.
bc8c0fdf-aa65-4fac-bb76-d3dd050358f9
Gooday, A.J.
d9331d67-d518-4cfb-baed-9df3333b05b9
Cedhagen, T.
4191b595-25ab-4e65-8bbe-4bd8a3de60ea
Habura, A.
fc8ccd8a-b3a1-4ae6-b0e2-4deeae6f8ad3
Bowser, S.S.
dd6f39ad-d90e-431d-aed1-6dc75c4fef56

Pawlowski, J., Holzmann, M., Berney, C., Fahrni, J., Gooday, A.J., Cedhagen, T., Habura, A. and Bowser, S.S. (2003) The evolution of early foraminifera. Proceedings of the National Academy of Sciences, 100 (20), 11494-11498. (doi:10.1073/pnas.2035132100).

Record type: Article

Abstract

Fossil Foraminifera appear in the Early Cambrian, at about the same time as the first skeletonized metazoans. However, due to the inadequate preservation of early unilocular (single-chambered) foraminiferal tests and difficulties in their identification, the evolution of early foraminifers is poorly understood. By using molecular data from a wide range of extant naked and testate unilocular species, we demonstrate that a large radiation of nonfossilized unilocular Foraminifera preceded the diversification of multilocular lineages during the Carboniferous. Within this radiation, similar test morphologies and wall types developed several times independently. Our findings indicate that the early Foraminifera were an important component of Neoproterozoic protistan community, whose ecological complexity was probably much higher than has been generally accepted.
Abbreviations: SSU, small subunit; NJ, neighbor joining; ML, maximum likelihood; Ma, mega-annum

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More information

Published date: 2003
Additional Information: Published online before print September 22, 2003

Identifiers

Local EPrints ID: 1280
URI: http://eprints.soton.ac.uk/id/eprint/1280
ISSN: 0027-8424
PURE UUID: b513debf-4afb-4d37-a968-01d8f1b08497

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Date deposited: 14 Apr 2004
Last modified: 15 Mar 2024 04:42

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Contributors

Author: J. Pawlowski
Author: M. Holzmann
Author: C. Berney
Author: J. Fahrni
Author: A.J. Gooday
Author: T. Cedhagen
Author: A. Habura
Author: S.S. Bowser

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