Jiuquanornis
I-Jiuquanornis yayiyisilwane esincane esifana nenyoni esaphila eminyakeni eyizigidi ezingu-120 edlule. Yayine-wishbone emise okwe-U kanye nethambo lesifuba elalibukeka njengalawo ezinyoni zanamuhla ezihlala phansi. Ososayensi bacabanga ukuthi kungenzeka yayiyisigijimi esisheshayo esidla inyama.12
Yaphila nini?
Yayishesha kangakanani?
Amaqiniso amnandi
I-Jiuquanornis yaziwa ngethambo elilodwa elachazwa okokuqala ngonyaka ka-2013. Ithambo lihlanganisa izingxenye zethambo lesifuba, i-furcula, kanye nethambo lomlenze wangaphambili.1
I-Jiuquanornis yayinethambo lesifuba elinemicu emide, emincane ebizwa ngokuthi ama-trabeculae, ebonakala nasezinyonini zanamuhla ezihlala phansi njengezinkukhu nama-tinamou.1
I-Jiuquanornis yayine-furcula (ithambo lenhlanhla) enesimo sika-U enekona elincane elicishe libe ngama-36 degrees, futhi yayingenalo i-hypocleidium, okuyingxenye encane ebonakala kwezinye izinyoni.1
Ososayensi bacabanga ukuthi i-Jiuquanornis yayiyisihlobo sokuqala sama-ornithuromorph, okusho ukuthi yayiyisihlobo sokuqala sezinyoni zanamuhla kodwa hhayi ukhokho oqondile.1
Ithambo le-Jiuquanornis latholakala e-Xiagou Formation, enobudala obungaba yizigidi eziyi-121 kuya kweziyi-113 zeminyaka, kusukela enkathini ye-Early Cretaceous.21
I-Jiuquanornis yaqanjwa ngedolobha lase-Jiuquan, eliseduze nendawo okwatholakala kuyo ithambo. Igama lohlobo oluthi niui lihlonipha uSolwazi Shao-Wu Niu ngomsebenzi wakhe wezinto zasemhlabeni.1
Ithambo le-Jiuquanornis ekuqaleni lalibhekwa njengelingaphelele ngokwanele ukuba liqanjwe, kodwa ososayensi kamuva banquma ukuthi lalingafani kakhulu nezinye izinyoni kangangokuthi lalingaba uhlobo olusha.1
Ochwepheshe bama-dino
- Igama lesayensi
- Jiuquanornis
- Iqanjwe ngu
- Wang et al. 20132
- Iqembu
- Izinyoni zakuqala
- Umndeni / i-clade
- Ornithuromorpha2
- Ukuhlukaniswa
- Theropoda > Avialae2
- Inkathi yamadwala
- 121 kuya ku-113 wezigidi zeminyaka (Aptian)2
- Izakhiwo zamatshe
- Xiagou2
- Amazwe
- I-China2
- Izinsalela ezitholiwe
- 1 ku-Paleobiology Database2
- Ukutholakala
- I-Jiuquanornis yaqanjwa ngo-2013 ngu-Wang nozakwabo. Insalela, isibonelo GSGM-05-CM-021, yatholakala e-Xiagou Formation eduze ne-Changma esifundazweni sase-Gansu, e-China. Ekuqaleni yachazwa njengenyoni engaziwa ngo-2005, kodwa kamuva yaqashelwa njengohlobo olusha.12
- Kusaphikiswana ngakho
- Ososayensi abaqiniseki ngokuthi i-Jiuquanornis yayihlala phansi noma emanzini, ngoba ithambo layo aliphelele ngokwanele ukuba kusho. Isimo sethambo layo lesifuba siphakamisa ukuthi kungenzeka yayigijima ngokushesha, kodwa kudingeka amanye amathambo.1
Lapho amaqiniso evela khona
- Previously Unrecognized Ornithuromorph Bird Diversity in the Early Cretaceous Changma Basin, Gansu Province, Northwestern China (journals.plos.org)
- Jiuquanornis in The Paleobiology Database (CC BY 4.0): iminyaka, izindawo, izakhiwo zamadwala, ukuhlukaniswa.
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