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Selmasaurus is an extinct genus of marine lizard belonging to the mosasaur family. It is classified as part of the Plioplatecarpinae subfamily alongside genera like Angolasaurus and Platecarpus. Two species are known, S. russelli and S. johnsoni; both are exclusively known from Santonian deposits in the United States.

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rdf:type
rdfs:label
  • Selmasaurus (it)
  • セルマサウルス (ja)
  • Selmasaurus (en)
  • 塞尔马龙属 (zh)
rdfs:comment
  • Il selmasauro (gen. Selmasaurus) è un rettile marino estinto, appartenente ai mosasauri. Visse nel Cretaceo superiore (Santoniano - Campaniano, circa 82 - 75 milioni di anni fa) e i suoi resti fossili sono stati ritrovati negli Stati Uniti. (it)
  • セルマサウルス(学名: Selmasaurus)は、モササウルス科に属する絶滅した海生爬虫類の属。アンゴラサウルスやプラテカルプスなどの属とともにプリオプラテカルプス亜科に分類される。S. russelli と S. johnsoni の2種が知られており、両者とも専らアメリカ合衆国のサントニアンの堆積層から産出している。 セルマサウルスはモササウルス科には珍しく頭骨の可動性が低く、顎を広げて大型の獲物を吸い込むことが不可能であり、この点で特異的である。大半のモササウルス科爬虫類の頭骨には方形骨が前後に動く機構と吻部の関節が存在し (coupled kinesis)、顎の一部が広く開いて大型の獲物を収められるようになっている。 (ja)
  • 塞爾馬龍(學名:Selmasaurus)是種中型滄龍類,屬於扁掌龍亞科,化石發現於美國阿拉巴馬州的Mooreville白堊層,年代為白堊紀晚期(坎潘階)。在1975年,地質學家Samuel Wayne Shannon首次提到這個阿拉巴馬州的滄龍類,當時的狀態為疑名。在1988年,古動物學家Caitlin R. Kiernan等人正式命名塞爾馬龍。模式標本(編號GSATC 221)包含一個不完整的頭骨,該頭骨的保存狀態良好但關節脫落,除此之外還有神經弓、第一節頸椎、以及一個頸部的神經弓。頭骨包含額骨、頂骨、左、左顴骨、、、、方骨。塞爾馬龍目前只有一個標本。 塞爾馬龍的屬名是以塞爾馬群(Selma Group)為名;種名則是以古生物學家(Dale A. Russell)為名,戴爾·羅素曾做出許多滄龍類的研究。 (zh)
  • Selmasaurus is an extinct genus of marine lizard belonging to the mosasaur family. It is classified as part of the Plioplatecarpinae subfamily alongside genera like Angolasaurus and Platecarpus. Two species are known, S. russelli and S. johnsoni; both are exclusively known from Santonian deposits in the United States. (en)
foaf:depiction
  • http://commons.wikimedia.org/wiki/Special:FilePath/GSATC_221,_holotype_specimen_of_Selmasaurus_russelli,_crk.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Selmasaurus_Clean.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Selmasaurus_life.png
dcterms:subject
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authority
  • Wright & Shannon, 1988 (en)
fossil range
  • Late Cretaceous, Campanian (en)
image caption
  • Selmasaurus johnsoni mounted skull in the Rocky Mountain Dinosaur Resource Center in Woodland Park, Colorado. (en)
subdivision
  • *†S. russelli (Wright & Shannon, 1988 ) *†S. johnsoni (Polcyn & Everhart, 2008) (en)
taxon
  • Selmasaurus (en)
has abstract
  • Selmasaurus is an extinct genus of marine lizard belonging to the mosasaur family. It is classified as part of the Plioplatecarpinae subfamily alongside genera like Angolasaurus and Platecarpus. Two species are known, S. russelli and S. johnsoni; both are exclusively known from Santonian deposits in the United States. Selmasaurus is unique among the mosasaurs in that its skull is unusually akinetic, meaning that it is incapable of widening to swallow larger prey. Most mosasaurs have skulls which possess "coupled kinesis" (mesokinesis and streptostyly), that is, parts of the jaw can open widely to accommodate large prey. (en)
  • Il selmasauro (gen. Selmasaurus) è un rettile marino estinto, appartenente ai mosasauri. Visse nel Cretaceo superiore (Santoniano - Campaniano, circa 82 - 75 milioni di anni fa) e i suoi resti fossili sono stati ritrovati negli Stati Uniti. (it)
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