| dbo:abstract |
Paleopsephurus ist eine prähistorische Gattung von Strahlenflossern, die eng mit den heutigen Löffelstören verwandt ist. Sie ist bislang ausschließlich aus der spätkreidezeitlichen Hell-Creek-Formation im Nordwesten der USA sicher nachgewiesen. Die einzige bekannte Art ist Paleopsephurus wilsoni. (de) Palaeopsephurus is an extinct genus of paddlefish in the Acipenseriformes family Polyodontidae. At present the genus contains the single species Palaeopsephurus wilsoni. The genus is known primarily from the Late Cretaceous (Maastrichtian) aged Hell Creek Formation of Montana. Palaeopsephurus is one of two extinct paddlefish genera to have been found in the North American fossil record, with the other genus and species Crossopholis magnicaudatus having been described and found in the Early Eocene Green River Formation. A third extinct genus Protopsephurus with the single species Protopsephurus liui was described from China in 1994. Only two modern paddle fish species are known, Polyodon spathula in the Mississippi River System of North America, and the extinct Psephurus gladius in the Yangtze River of China. (en) Paleopsephurus wilsoni — викопний вид осетроподібних риб родини Веслоносові (Polyodontidae). Риба існувала у кінці крейдяного періоду. Скам'янілі рештки виду знайдені у формуванні Хелл Крік у штаті Монтана, США. Вид описаний по трьох зразках, що зараз зберігається у Музеї палеонтології Мічиганського університету. (uk) 古白鲟属（學名：Paleopsephurus）是鲟形目、匙吻鲟科之下已灭绝的一属，目前唯一已知的物种是模式種威氏古白鲟（P. wilsoni），化石產自美国蒙大拿州麦空县地獄溪組的晚白垩世馬斯垂克階。本属是在北美洲發現的兩個匙吻鲟科化石属之一，另一个属为缀鳞鲟属（Crossopholis），同样也只包含一个已知物种，即模式种大尾缀鳞鲟（C. magnicaudatus），化石發現於美国怀俄明州的早始新世沉積物中。 1941年，美国古生物學家暨魚類學家 Archie Justus MacAlpin 在其博士論文中首次描述了威氏古白鱘，後於1947年發表了更為詳細的描述。他的描述基於密西根大學（英文縮寫：UMMP）收藏的三件古白鱘化石標本（後被拆分為四件），這些標本係由密西根大學古生物學博物館的考察隊，於1938年在蒙大拿州佩克堡东南39公里處的地獄溪組露頭砂岩中採集，一同出土的還有史前鱘科物種原鏟鱘（Protoscaphirhynchus squamosus）的正模標本。編號為“UMMP 22206”的古白鱘標本包括一塊大致完整且略有破碎的頭骨（下颌骨在1947年至1980年代末的某個時間點遺失），以及部分、胸帶和胸鰭；另外兩件標本與“UMMP 2226”發現於同一地點，編號分別為“UMMP 22207”和“UMMP 22208”，其中“UMMP 22207”是古白鱘的一部分，“UMMP 22208”則是帶有胸鰭的肩部碎片，胸鰭部分後被編為單獨的標本“UMMP 22209”。雖然這些標本的發現地點相隔很近，但無法確定牠們是否屬於同一個體，因此被作為三個獨立的標本描述。 (zh) |
| dbo:binomialAuthority |
dbr:Archie_Justus_MacAlpin |
| dbo:class |
dbr:Actinopterygii |
| dbo:family |
dbr:Polyodontidae |
| dbo:kingdom |
dbr:Animal |
| dbo:order |
dbr:Acipenseriformes |
| dbo:phylum |
dbr:Vertebrate dbr:Chordate |
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dbc:Polyodontidae dbr:Protopsephurus dbr:Protoscaphirhynchus dbr:Dermal_denticle dbc:Turonian_genus_first_appearances dbr:University_of_Michigan dbr:Vertebrate dbr:Crossopholis dbr:Genus dbr:Mississippi_River_System dbr:Montana dbr:Psephurus_gladius dbr:Yangtze_River dbr:Animal dbr:Ann_Arbor,_Michigan dbr:Maastrichtian dbr:Sturgeon dbc:Fossil_taxa_described_in_1947 dbc:Cretaceous_bony_fish dbr:Acipenseriformes dbr:Actinopterygii dbr:Extinct dbr:Fort_Peck,_Montana dbc:Late_Cretaceous_fish_of_North_America dbr:Paleontologist dbr:Family_(biology) dbr:Pectoral_girdle dbr:Green_River_Formation dbr:Hell_Creek_Formation dbc:Monotypic_fish_genera dbc:Hell_Creek_fauna dbc:Maastrichtian_genus_extinctions dbc:Prehistoric_ray-finned_fish_genera dbr:Chordate dbr:Late_Cretaceous dbr:Holotype dbr:Polyodontidae dbr:Early_Eocene dbr:Caudal_(anatomical_term) dbr:Skull dbr:Type_(biology) dbr:Ichthyologist dbr:Polyodon_spathula dbr:Museums_at_the_University_of_Michigan dbr:Archie_Justus_MacAlpin dbr:Contributions_from_the_Museum_of_Paleontology,_University_of_Michigan |
| dbp:binomial |
Palaeopsephurus wilsoni (en) |
| dbp:binomialAuthority |
MacAlpin, 1947 (en) |
| dbp:classis |
dbr:Actinopterygii |
| dbp:familia |
dbr:Polyodontidae |
| dbp:genus |
Palaeopsephurus (en) |
| dbp:name |
Palaeopsephurus (en) |
| dbp:ordo |
dbr:Acipenseriformes |
| dbp:phylum |
dbr:Chordate |
| dbp:regnum |
Animalia (en) |
| dbp:species |
P. wilsoni (en) |
| dbp:subfamilia |
Palaeopsephurinae (en) |
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dbr:Vertebrate |
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| rdfs:comment |
Paleopsephurus ist eine prähistorische Gattung von Strahlenflossern, die eng mit den heutigen Löffelstören verwandt ist. Sie ist bislang ausschließlich aus der spätkreidezeitlichen Hell-Creek-Formation im Nordwesten der USA sicher nachgewiesen. Die einzige bekannte Art ist Paleopsephurus wilsoni. (de) Paleopsephurus wilsoni — викопний вид осетроподібних риб родини Веслоносові (Polyodontidae). Риба існувала у кінці крейдяного періоду. Скам'янілі рештки виду знайдені у формуванні Хелл Крік у штаті Монтана, США. Вид описаний по трьох зразках, що зараз зберігається у Музеї палеонтології Мічиганського університету. (uk) Palaeopsephurus is an extinct genus of paddlefish in the Acipenseriformes family Polyodontidae. At present the genus contains the single species Palaeopsephurus wilsoni. The genus is known primarily from the Late Cretaceous (Maastrichtian) aged Hell Creek Formation of Montana. Palaeopsephurus is one of two extinct paddlefish genera to have been found in the North American fossil record, with the other genus and species Crossopholis magnicaudatus having been described and found in the Early Eocene Green River Formation. A third extinct genus Protopsephurus with the single species Protopsephurus liui was described from China in 1994. Only two modern paddle fish species are known, Polyodon spathula in the Mississippi River System of North America, and the extinct Psephurus gladius in the Yang (en) 古白鲟属（學名：Paleopsephurus）是鲟形目、匙吻鲟科之下已灭绝的一属，目前唯一已知的物种是模式種威氏古白鲟（P. wilsoni），化石產自美国蒙大拿州麦空县地獄溪組的晚白垩世馬斯垂克階。本属是在北美洲發現的兩個匙吻鲟科化石属之一，另一个属为缀鳞鲟属（Crossopholis），同样也只包含一个已知物种，即模式种大尾缀鳞鲟（C. magnicaudatus），化石發現於美国怀俄明州的早始新世沉積物中。 (zh) |
| rdfs:label |
Paleopsephurus (de) Paleopsephurus (en) Paleopsephurus wilsoni (uk) 古白鲟属 (zh) |
| owl:sameAs |
freebase:Paleopsephurus yago-res:Paleopsephurus wikidata:Paleopsephurus dbpedia-de:Paleopsephurus dbpedia-uk:Paleopsephurus dbpedia-zh:Paleopsephurus https://global.dbpedia.org/id/o7dx |
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wikipedia-en:Paleopsephurus?oldid=1110077966&ns=0 |
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Palaeopsephurus (en) |
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