Extraordinarily thick-boned fish linked to the aridification of the Qaidam Basin (northern Tibetan Plateau)
Rattachement africain : cn, us. Niveau de preuve : code pays fourni par la source.
Le résumé fourni par la source
Scattered with numerous salt lakes and approximately 2,700-3,200 m above sea level, the giant Qaidam inland basin on the northern Tibetan Plateau has experienced continuing aridification since the beginning of the Late Cenozoic as a result of the India-Asia plate collision and associated uplift of the Tibetan Plateau. Previous evidence of aridification comes mainly from evaporite deposits and salinity-tolerant invertebrate fossils. Vertebrate fossils were rare until recent discoveries of abundant fish. Here, we report an unusual cyprinid fish, Hsianwenia wui, gen. et sp. nov., from Pliocene lake deposits of the Qaidam Basin, characterized by an extraordinarily thick skeleton that occupied almost the entire body. Such enormous skeletal thickening, apparently leaving little room for muscles, is unknown among extant fish. However, an almost identical condition occurs in the much smaller cyprinodontid Aphanius crassicaudus (Cyprinodonyiformes), collected from evaporites exposed along the northern margins of the Mediterranean Sea during the Messinian desiccation period. H. wui and A. crassicaudus both occur in similar deposits rich in carbonates (CaCO(3)) and sulfates (CaSO(4)), indicating that both were adapted to the extreme conditions resulting from the aridification in the two areas. The overall skeletal thickening was most likely formed through deposition of the oversaturated calcium and was apparently a normal feature of the biology and growth of these fish.
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Le contrôle bibliographique ouvert
DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.
- Titre Crossref
- Extraordinarily thick-boned fish linked to the aridification of the Qaidam Basin (northern Tibetan Plateau)
- Date Crossref
- 09/09/2008
- Éditeur
- National Academy of Sciences
- Type
- journal-article
Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude, et il ne compte pas comme une seconde source scientifique indépendante.
Où se fait cette recherche
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Chinese Academy of Sciences pays non établi dans la noticeOrganisme public
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Institute of Vertebrate Paleontology and Paleoanthropology pays non établi dans la noticeStructure de recherche
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Natural History Museum of Los Angeles County pays non établi dans la noticeInstitution
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Institute of Hydrobiology pays non établi dans la noticeStructure de recherche
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American Museum of Natural History pays non établi dans la noticeInstitution
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University of Kansas Natural History Museum and Biodiversity Research Center pays non établi dans la noticeUniversité ou école supérieure
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Tongji University Laboratory of Marine Geology pays non établi dans la noticeUniversité ou école supérieure
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China University of Petroleum **Department of Earth Sciences pays non établi dans la noticeUniversité ou école supérieure
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Department of Vertebrate Paleontology pays non établi dans la noticeInstitution
Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology et Natural History Museum of Los Angeles County, avec 6 autres affiliations.
Une affiliation ne permet pas de déduire la nationalité d’un auteur.