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Crustaceans from bitumen clast in Carboniferous glacial diamictite extend fossil record of copepods
dc.contributor.author | Selden, Paul A. | |
dc.contributor.author | Huys, Rony | |
dc.contributor.author | Stephenson, Michael H. | |
dc.contributor.author | Heward, Alan P. | |
dc.contributor.author | Taylor, Paul N. | |
dc.date.accessioned | 2018-06-25T18:36:14Z | |
dc.date.available | 2018-06-25T18:36:14Z | |
dc.date.issued | 2010-08-10 | |
dc.identifier.citation | Selden, P.A. et al. Crustaceans from bitumen clast in Carboniferous glacial diamictite extend fossil record of copepods. Nat. Commun. 1:50 doi: 10.1038/ncomms1049 (2010). | en_US |
dc.identifier.uri | http://hdl.handle.net/1808/26575 | |
dc.description.abstract | Copepod crustaceans are extremely abundant but, because of their small size and fragility, they fossilize poorly. Their fossil record consists of one Cretaceous (c. 115 Ma) parasite and a few Miocene (c. 14 Ma) fossils. In this paper, we describe abundant crustacean fragments, including copepods, from a single bitumen clast in a glacial diamictite of late Carboniferous age (c. 303 Ma) from eastern Oman. Geochemistry identifies the source of the bitumen as an oilfield some 100–300 km to the southwest, which is consistent with an ice flow direction from glacial striae. The bitumen likely originated as an oil seep into a subglacial lake. This find extends the fossil record of copepods by some 188 Ma, and of free-living forms by 289 Ma. The copepods include evidence of the extant family Canthocamptidae, believed to have colonized fresh water in Pangaea during Carboniferous times. | en_US |
dc.publisher | Nature Publishing Group | en_US |
dc.rights | This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited. | en_US |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | en_US |
dc.title | Crustaceans from bitumen clast in Carboniferous glacial diamictite extend fossil record of copepods | en_US |
dc.type | Article | en_US |
kusw.kuauthor | Selden, Paul A. | |
kusw.kudepartment | Geology | en_US |
dc.identifier.doi | 10.1038/ncomms1049 | en_US |
kusw.oaversion | Scholarly/refereed, publisher version | en_US |
kusw.oapolicy | This item meets KU Open Access policy criteria. | en_US |
dc.rights.accessrights | openAccess | en_US |
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Geology Scholarly Works [248]