Saurichthys (Pisces, Actinopterygii) teeth from the Lower Triassic of Spitsbergen, with comments on their stable isotope composition (δ13C and δ18O) and X−ray microtomography
A rich collection of exceptionally preserved Lower Triassic fossil fish remains obtained during the Polish Spitsbergen Expedition of 2005 includes many isolated teeth be− lieved to belong to a saurichthyid actinopterygian. Stable isotope analysis (δ 13 C and δ 18 O) of putative Saurichthys teeth fro...
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| Veröffentlicht in: | Polish polar research 2013-01, Vol.34 (1), p.23-38 |
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| creator | Błażejowski, Błażej Duffin, Christopher J. Gieszcz, Piotr Małkowski, Krzysztof Binkowski, Marcin Walczak, Michał Mcdonald, Samuel A. Withers, Philip J. |
| description | A rich collection of exceptionally preserved Lower Triassic fossil fish remains obtained during the Polish Spitsbergen Expedition of 2005 includes many isolated teeth be− lieved to belong to a saurichthyid actinopterygian. Stable isotope analysis (δ
13
C and δ
18
O) of putative Saurichthys teeth from the Hornsund area (South Spitsbergen) acting as a paleoenvironmental proxy has permitted trophic−level reconstruction and comparison with other Lower Triassic fish teeth from the same location. The broader range of δ
13
C values ob− tained for durophagous teeth of the hybodont selachian, Lissodus, probably reflects its mi− gratory behaviour and perhaps a greater feeding diversity. X−ray microcomputed tomogra− phy (XMT), a non−destructive technique, is used for the first time in order to elucidate de− tails of tooth histology, the results of which suggest that the method has considerable poten− tial as a future analytical tool. |
| doi_str_mv | 10.2478/popore-2013-0007 |
| format | Article |
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13
C and δ
18
O) of putative Saurichthys teeth from the Hornsund area (South Spitsbergen) acting as a paleoenvironmental proxy has permitted trophic−level reconstruction and comparison with other Lower Triassic fish teeth from the same location. The broader range of δ
13
C values ob− tained for durophagous teeth of the hybodont selachian, Lissodus, probably reflects its mi− gratory behaviour and perhaps a greater feeding diversity. X−ray microcomputed tomogra− phy (XMT), a non−destructive technique, is used for the first time in order to elucidate de− tails of tooth histology, the results of which suggest that the method has considerable poten− tial as a future analytical tool.</description><identifier>ISSN: 0138-0338</identifier><identifier>EISSN: 2081-8262</identifier><identifier>DOI: 10.2478/popore-2013-0007</identifier><language>eng</language><publisher>Warsaw: Polish Academy of Sciences</publisher><subject>Actinopterygii ; Lissodus ; Pisces</subject><ispartof>Polish polar research, 2013-01, Vol.34 (1), p.23-38</ispartof><rights>Copyright De Gruyter Open Sp. z o.o. 2013</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c304t-59a4d25643f8210fb19efc7bfdd1fe8b14c2ed87907964e0a2c63bdc0d470a063</citedby><cites>FETCH-LOGICAL-c304t-59a4d25643f8210fb19efc7bfdd1fe8b14c2ed87907964e0a2c63bdc0d470a063</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,864,27923,27924</link.rule.ids></links><search><creatorcontrib>Błażejowski, Błażej</creatorcontrib><creatorcontrib>Duffin, Christopher J.</creatorcontrib><creatorcontrib>Gieszcz, Piotr</creatorcontrib><creatorcontrib>Małkowski, Krzysztof</creatorcontrib><creatorcontrib>Binkowski, Marcin</creatorcontrib><creatorcontrib>Walczak, Michał</creatorcontrib><creatorcontrib>Mcdonald, Samuel A.</creatorcontrib><creatorcontrib>Withers, Philip J.</creatorcontrib><title>Saurichthys (Pisces, Actinopterygii) teeth from the Lower Triassic of Spitsbergen, with comments on their stable isotope composition (δ13C and δ18O) and X−ray microtomography</title><title>Polish polar research</title><description>A rich collection of exceptionally preserved Lower Triassic fossil fish remains obtained during the Polish Spitsbergen Expedition of 2005 includes many isolated teeth be− lieved to belong to a saurichthyid actinopterygian. Stable isotope analysis (δ
13
C and δ
18
O) of putative Saurichthys teeth from the Hornsund area (South Spitsbergen) acting as a paleoenvironmental proxy has permitted trophic−level reconstruction and comparison with other Lower Triassic fish teeth from the same location. The broader range of δ
13
C values ob− tained for durophagous teeth of the hybodont selachian, Lissodus, probably reflects its mi− gratory behaviour and perhaps a greater feeding diversity. 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Stable isotope analysis (δ
13
C and δ
18
O) of putative Saurichthys teeth from the Hornsund area (South Spitsbergen) acting as a paleoenvironmental proxy has permitted trophic−level reconstruction and comparison with other Lower Triassic fish teeth from the same location. The broader range of δ
13
C values ob− tained for durophagous teeth of the hybodont selachian, Lissodus, probably reflects its mi− gratory behaviour and perhaps a greater feeding diversity. X−ray microcomputed tomogra− phy (XMT), a non−destructive technique, is used for the first time in order to elucidate de− tails of tooth histology, the results of which suggest that the method has considerable poten− tial as a future analytical tool.</abstract><cop>Warsaw</cop><pub>Polish Academy of Sciences</pub><doi>10.2478/popore-2013-0007</doi><tpages>16</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Polish polar research, 2013-01, Vol.34 (1), p.23-38 |
| issn | 0138-0338 2081-8262 |
| language | eng |
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| source | DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Actinopterygii Lissodus Pisces |
| title | Saurichthys (Pisces, Actinopterygii) teeth from the Lower Triassic of Spitsbergen, with comments on their stable isotope composition (δ13C and δ18O) and X−ray microtomography |
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