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Statements

Subject Item
dbr:Acamptonectes
rdf:type
yago:Reptile101661091 yago:Object100002684 yago:WikicatIchthyosaurs yago:Archosaur101695681 yago:Ichthyosaur101724231 yago:Animal100015388 yago:Whole100003553 yago:LivingThing100004258 yago:Diapsid101661818 yago:PhysicalEntity100001930 yago:Vertebrate101471682 yago:Organism100004475 yago:Chordate101466257 yago:WikicatCretaceousIchthyosaurs
rdfs:label
Acamptonectes Acamptonectes アカンプトネクテス Acamptonectes Acamptonectes
rdfs:comment
Acamptonectes ist eine Gattung der ausgestorbenen Ichthyosaurier aus der Unterkreide Europas. Die einzige bekannte Art, Acamptonectes densus, war ein relativ moderner Ichthyosaurier und lebte vor rund 130 Millionen Jahren auf dem Gebiet des heutigen Europas. Fossile Exemplare wurden im britischen und Filey sowie im deutschen Cremlingen gefunden. Acamptonectes wird innerhalb der Ichthyosaurier in die gestellt, der nächste Verwandte ist Ophthalmosaurus. Dass Ichthyosaurier mit Acamptonectes bis in die Unterkreide vorkamen, widerspricht einer früheren These von einem Massenaussterben in dieser Gruppe zum Ende des Jura. Acamptonectes is a genus of ophthalmosaurid ichthyosaurs, a type of dolphin-like marine reptiles, that lived during the Early Cretaceous around 130 million years ago. The first specimen, a partial adult skeleton, was discovered in Speeton, England, in 1958, but was not formally described until 2012 by Valentin Fischer and colleagues. They also recognised a partial subadult skeleton belonging to the genus from Cremlingen, Germany, and specimens from other localities in England. The genus contains the single species Acamptonectes densus; the generic name means "rigid swimmer" and the specific name means "compact" or "tightly packed". Acamptonectes es un género extinto de ictiosaurio oftalmosáurido hallado en el Reino Unido y Alemania. Fue recuperado de estratos de la época del Hauteriviense de Inglaterra y Alemania y en la , en el este del Reino Unido, que data de finales del Albiense o principios del Cenomaniense, en el límite entre el Cretácico Inferior y el Cretácico Superior. Acamptonectes fue nombrado y descrito por Valentín Fischer, Michael W. Maisch, , Ralf Kosma, Jeff Liston, Ulrich Joger, Fritz J. Krüger, Judith Pardo, Jessica Tainsh y Robert M. Appleby en 2012 y la especie tipo es Acamptonectes densus.​ アカンプトネクテス(学名:Acamptonectes)は、イングランドとドイツから知られる、絶滅したオフタルモサウルス科の魚竜の属である。イングランドとドイツの白亜紀前期オーテリビアン期の層や、白亜紀前期と後期の境界であるアルビアン期後期からセノマニアン期前期にあたるイギリス東部のケンブリッジ・グリーンサンドから収集された。アカンプトネクテスは Valentin Fischer らにより2012年に初めて記載された。
foaf:depiction
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dct:subject
dbc:Ophthalmosaurinae dbc:Late_Cretaceous_ichthyosaurs dbc:Early_Cretaceous_ichthyosaurs dbc:Ichthyosauromorph_genera dbc:Ichthyosaurs_of_Europe dbc:Fossils_of_England dbc:Fossils_of_Germany dbc:Cenomanian_extinctions dbc:Fossil_taxa_described_in_2012 dbc:Hauterivian_genus_first_appearances
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1103410271
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owl:sameAs
freebase:m.0hzncb8 dbpedia-fa:دلفین_دنسوس wikidata:Q146756 n17:U7vc dbpedia-es:Acamptonectes dbpedia-ja:アカンプトネクテス dbpedia-nl:Acamptonectes dbpedia-simple:Acamptonectes dbpedia-vi:Acamptonectes dbpedia-de:Acamptonectes yago-res:Acamptonectes
dbp:wikiPageUsesTemplate
dbt:Ichthyosauria dbt:Featured_article dbt:Use_British_English dbt:Short_description dbt:Reflist dbt:Use_dmy_dates dbt:Convert dbt:Taxonbar dbt:Clade dbt:Speciesbox dbt:Rp dbt:Fossil_range
dbo:thumbnail
n10:Acamptonectes_densus_-_Naturhistorisches_Museum,_Braunschweig,_Germany_-_DSC05309.jpg?width=300
dbp:authority
Fischer et al., 2012
dbp:displayParents
2
dbp:fossilRange
dbr:Hauterivian ~
dbp:from
Q15020901 Q146756
dbp:genus
Acamptonectes
dbp:imageCaption
Specimen SNHM1284-R in State Natural History Museum, Braunschweig
dbp:parentAuthority
Fischer et al., 2012
dbp:species
densus
dbo:abstract
Acamptonectes is a genus of ophthalmosaurid ichthyosaurs, a type of dolphin-like marine reptiles, that lived during the Early Cretaceous around 130 million years ago. The first specimen, a partial adult skeleton, was discovered in Speeton, England, in 1958, but was not formally described until 2012 by Valentin Fischer and colleagues. They also recognised a partial subadult skeleton belonging to the genus from Cremlingen, Germany, and specimens from other localities in England. The genus contains the single species Acamptonectes densus; the generic name means "rigid swimmer" and the specific name means "compact" or "tightly packed". The generic name refers to unusual adaptations in the body of Acamptonectes that made its trunk rigid, including tightly fitting bones in the occiput (back and lower part of the skull) and interlocking vertebral centra ("bodies" of the vertebrae), which were likely adaptations that enabled it to swim at high speeds with a tuna-like form of locomotion. Other distinguishing characteristics include an extremely slender snout and unique ridges on the basioccipital bone of the braincase. As an ichthyosaur, Acamptonectes had large eye sockets and a tail fluke. Acamptonectes was similar in morphology to the related but earlier ophthalmosaurines Ophthalmosaurus and Mollesaurus. The discovery of Acamptonectes had significant implications for the evolutionary history of ichthyosaurs. It was long believed the generalised platypterygiine ophthalmosaurids were the only lineage of ichthyosaurs that survived into the Early Cretaceous following a mass extinction of ichthyosaurs across the Jurassic–Cretaceous boundary. As one of the first-known ophthalmosaurine ophthalmosaurids from the Early Cretaceous, the discovery of Acamptonectes provided evidence against such a mass extinction. Although the larger eyes of Acamptonectes would have made it better adapted than platypterygiines to depth diving, it was probably a generalist predator. Its teeth, which were slender and textured with longitudinal ridges, were adapted for impaling prey, which suggests it likely fed on soft, fleshy prey such as fish and squid. アカンプトネクテス(学名:Acamptonectes)は、イングランドとドイツから知られる、絶滅したオフタルモサウルス科の魚竜の属である。イングランドとドイツの白亜紀前期オーテリビアン期の層や、白亜紀前期と後期の境界であるアルビアン期後期からセノマニアン期前期にあたるイギリス東部のケンブリッジ・グリーンサンドから収集された。アカンプトネクテスは Valentin Fischer らにより2012年に初めて記載された。 Acamptonectes ist eine Gattung der ausgestorbenen Ichthyosaurier aus der Unterkreide Europas. Die einzige bekannte Art, Acamptonectes densus, war ein relativ moderner Ichthyosaurier und lebte vor rund 130 Millionen Jahren auf dem Gebiet des heutigen Europas. Fossile Exemplare wurden im britischen und Filey sowie im deutschen Cremlingen gefunden. Acamptonectes wird innerhalb der Ichthyosaurier in die gestellt, der nächste Verwandte ist Ophthalmosaurus. Dass Ichthyosaurier mit Acamptonectes bis in die Unterkreide vorkamen, widerspricht einer früheren These von einem Massenaussterben in dieser Gruppe zum Ende des Jura. Acamptonectes es un género extinto de ictiosaurio oftalmosáurido hallado en el Reino Unido y Alemania. Fue recuperado de estratos de la época del Hauteriviense de Inglaterra y Alemania y en la , en el este del Reino Unido, que data de finales del Albiense o principios del Cenomaniense, en el límite entre el Cretácico Inferior y el Cretácico Superior. Acamptonectes fue nombrado y descrito por Valentín Fischer, Michael W. Maisch, , Ralf Kosma, Jeff Liston, Ulrich Joger, Fritz J. Krüger, Judith Pardo, Jessica Tainsh y Robert M. Appleby en 2012 y la especie tipo es Acamptonectes densus.​
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wikipedia-en:Acamptonectes?oldid=1103410271&ns=0
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71394
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wikipedia-en:Acamptonectes