Xianshanosaurus - Xianshanosaurus - Wikipedia

Xianshanosaurus
Vaqtinchalik diapazon: Erta bo'r, Aptian-Albian
Xianshanosaurus skeleton.jpg
Qayta qurilgan skelet
Ilmiy tasnif e
Qirollik:Animalia
Filum:Chordata
Klade:Dinozavrlar
Klade:Saurischia
Suborder:Sauropodomorpha
Klade:Sauropoda
Klade:Somphospondyli
Klade:Titanosauriya
Tur:Xianshanosaurus
va boshq., 2009
Tur turlari
Xianshanosaurus shijiagouensis
va boshq., 2009

Xianshanosaurus ("Xianshan kaltakesagi" degan ma'noni anglatadi) a tur ning titanozavr sauropod dinozavr dan Erta bo'r (Aptian -Albian ) in Ruyang havzasi Xenan viloyati, Xitoy. Bu haqda 2009 yilda xitoylik paleontologlar jamoasi tasvirlab bergan. The tur turlari bu X. shijiagouensis.[1]

Tasnifi

Metyu Vedel va Mayk Teylor kaudal umurtqalarning pnevmatikligini kladistik tahlil qildilar. Tahlillar shuni ko'rsatdiki Xianshanosaurus bilan bazal titanosaurian edi Malavisaurus va Trigonosaurus uning singlisi takson sifatida. Topilgan kladogramma quyida keltirilgan:[2]

Makronariya

Kamarasaurus

Giraffatitan

Sidarozavr

Venenozavr

Malavisaurus

Trigonosaurus

Xianshanosaurus

Gondvanatitan

Aeolosaurus

Alamosaurus

Opisthocoelicaudia

Nequensaurus

Rokasaurus

Saltasaurus

Habitat

Xianshanosaurus bilan yashash joyini bo'lishdi Ruyangosaurus, "Xuanghetitan "ruyangensis, Yunmenglong, Luoyanggiya va Zhongyuansaurus. Dastlab Haoling formasiyasi senomiyalik deb hisoblangan, ammo hozirda Aptian-Albian deb hisoblanadi.[3]

Adabiyotlar

  1. ^ Lü, J .; Xu, L .; Tszyan X.; Jia, S .; Li, M.; Yuan, C .; Chjan X .; Ji, Q. (2009). "Markaziy Xitoyning Xenan viloyati, Ruyang havzasi bo'ridan yangi dinozavr faunasi to'g'risida dastlabki hisobot". Koreya paleontologik jamiyati jurnali. 25: 43–56.
  2. ^ Wedel, M. J .; Teylor, M. P. (2013). "Sauropod dinozavrlari Giraffatitan va Apatosaurusdagi kaudal pnevmatik va pnevmatik tanaffuslar". PLOS ONE. 8 (10): e78213. doi:10.1371 / journal.pone.0078213. PMC  3812994. PMID  24205162.
  3. ^ Xu, L., Pan, ZC, Vang, Z.H., Zhang, X.L., Jia, SH, Lü, JC, Jiang, BL, 2012. Henan provintsiyasining Ruyang havzasida bo'r tizimining kashf etilishi va ahamiyati. Geologik sharh 58, 601-613.