動物 > 三燕竜城鳥
目錄
No. 1
  學名:longcbengornis sanyanensis hou,1997
  時代:早白堊世,九佛堂組
  産地:;遼寧省朝陽縣波羅赤。
  學名來源:sanyan,漢語拼音“三燕”,為前燕341年十六時期,鮮卑建立的前燕、後燕和北燕地方政權,以當年的竜城,即現在的朝陽市為都城。
  保存狀況:不完整個體。
  基本特徵:頂骨後位,頸椎有一腹脊,胸椎椎體長。尾椎不愈合,仍有較長的尾巴。肱骨近端較華夏鳥擴展,近端中央有一大而圓的坑凹構造,骨體直。肱骨稍短於恥骨,叉骨細,叉骨突很長。薦椎不愈合,趾爪強烈鈎麯,營樹棲生活。體態輕巧。但仍顯示出較原始的性質,如尚無尾綜骨等。
  age: early cretaceous;jiufotang formation.
  locality: boluochi,chaoyang city,liaoning province,china.
  etymology: genus name is from the ancient name of chaoyang;species is from the name of an ancient local regime.
  preservation: an complete individual.
  diagnosis:parietal posteriorly located.cervical with ventral process.thoracic with long centrum.caudals unfused.long tail.humerus more expanded proximally than in catbayornis,shaft straighe.furcula slender with long hypocleideum.sacrls unfused.pedal claws strongly curved.pygostyle absent.
No. 2
  學名:Longcbengornis sanyanensis Hou,1997
  時代:早白堊世,九佛堂組
  産地:;遼寧省朝陽縣波羅赤。
  學名來源:sanyan,漢語拼音“三燕”,為前燕341年十六時期,鮮卑建立的前燕、後燕和北燕地方政權,以當年的竜城,即現在的朝陽市為都城。
  保存狀況:不完整個體。
  基本特徵:頂骨後位,頸椎有一腹脊,胸椎椎體長。尾椎不愈合,仍有較長的尾巴。肱骨近端較華夏鳥擴展,近端中央有一大而圓的坑凹構造,骨體直。肱骨稍短於恥骨,叉骨細,叉骨突很長。薦椎不愈合,趾爪強烈鈎麯,營樹棲生活。體態輕巧。但仍顯示出較原始的性質,如尚無尾綜骨等。
  age: Early Cretaceous;Jiufotang Formation.
  locality: Boluochi,Chaoyang City,Liaoning Province,China.
  etymology: Genus name is from the ancient name of Chaoyang;species is from the name of an ancient local regime.
  preservation: An complete individual.
  diagnosis:Parietal posteriorly located.Cervical with ventral process.Thoracic with long centrum.Caudals unfused.Long tail.Humerus more expanded proximally than in Catbayornis,shaft straighe.Furcula slender with long hypocleideum.Sacrls unfused.Pedal claws strongly curved.Pygostyle absent.