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初期の白亜紀のヘテロドントサウルスの恐竜で,繊維状の整体構造を持つ
Xiao-Ting Zheng1, Hai-Lu You, Xing Xu
1Shandong Tianyu Museum of Nature, Lianhuashan Road West, Pingyi, Shandong, 273300, China.
Nature
|March 20, 2009
まとめ
中国で発見された新しい恐竜のティアンユロン・コンフチュウシは,繊維状の皮膚構造を明らかにしています. この発見は,既知のヘテロドントサウリドの範囲をアジアと白亜紀初期にまで拡大する.
科学分野:
- パレオントロジー・パレオントロジー
- 恐竜族 (Dinosauria) とは
- オルニティシキアとは
背景:
- 小型のオルニチスキア型恐竜の属であるヘテロドントサウリデ (Heterodontosauridae) は,系統遺伝的位置がよくわかっていない.
- 以前は,ヘテロドントサウルドの化石は主にジュラ紀初期アフリカで発見された.
研究 の 目的:
- 中国の新しいヘテロドントサウルド種,Tianyulong confuciusiを記述するために.
- ヘテロドントサウリidaeの地理的および時間的な分布を調査する.
主な方法:
- 化石の発見と分析
- フィロジェネティック分析
- 比較解剖学の比較解剖学について
主要な成果:
- 中国の白亜紀初期にTianyulong confuciusiが発見され,ヘテロドントサウリドの範囲をアジアまで拡大した.
- 初期の白亜紀におけるヘテロドントサウリデスの存在が確認された.
- Tianyulong confuciusi.のユニークな,繊維状の整体構造を特定しました.
結論:
- Tianyulong confuciusiは,フィラメント状の整体構造を持つ最初の確認されたオルニチスキア恐竜を表しています.
- この発見により,ヘテロドントサウリidaeの既知の地理的および時間的な分布が拡大した.
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