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Role of Ammonites in the Mesozoic Marine Food Web Revealed by Jaw Preservation

Kruta, Isabelle ; Landman, Neil ; Rouget, Isabelle ; Cecca, Fabrizio ; Tafforeau, Paul

Science (American Association for the Advancement of Science), 2011-01, Vol.331 (6013), p.70-72 [Periódico revisado por pares]

Washington, DC: American Association for the Advancement of Science

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Título:
Role of Ammonites in the Mesozoic Marine Food Web Revealed by Jaw Preservation
Autor: Kruta, Isabelle ; Landman, Neil ; Rouget, Isabelle ; Cecca, Fabrizio ; Tafforeau, Paul
Assuntos: Ammonoidea ; Animals ; Biological Evolution ; Cephalopoda - anatomy & histology ; Cephalopoda - physiology ; Cephalopods ; Crustaceans ; Diet ; Diets ; Digestive System ; Earth sciences ; Earth, ocean, space ; Exact sciences and technology ; Extinction, Biological ; Feeding Behavior ; Food Chain ; Food webs ; Foods ; Fossils ; Gastropoda - anatomy & histology ; Invertebrate paleontology ; Isopoda - anatomy & histology ; Jaw ; Jaw - anatomy & histology ; Marine ; Morphology ; Nautilus ; Paleobiology ; Paleontology ; Plankton ; Soft tissues ; Synchrotrons ; Teeth ; Tooth - anatomy & histology ; X-Ray Microtomography ; Zooplankton
É parte de: Science (American Association for the Advancement of Science), 2011-01, Vol.331 (6013), p.70-72
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
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Descrição: Ammonites are prominent in macroevolutionary studies because of their abundance and diversity in the fossil record, but their paleobiology and position in the marine food web are not well understood due to the lack of preserved soft tissue. We present three-dimensional reconstructions of the buccal apparatus in the Mesozoic ammonite Baculites with the use of synchrotron x-ray microtomography. Buccal mass morphology, combined with the coexistence of food remains found in the buccal mass, suggests that these ammonites fed on plankton. This diet may have extended to all aptychophoran ammonites, which share the same buccal mass morphology. Understanding the role of these ammonites in the Mesozoic food web provides insights into their radiation in the Early Jurassic, as well as their extinction at the end of the Cretaceous/early Paleogene.
Editor: Washington, DC: American Association for the Advancement of Science
Idioma: Inglês

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Role of Ammonites in the Mesozoic Marine Food Web Revealed by Jaw Preservation

Kruta, Isabelle ; Landman, Neil ; Rouget, Isabelle ; Cecca, Fabrizio ; Tafforeau, Paul

Washington, DC: American Association for the Advancement of Science

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