Metashastasaurus
Metashastasaurus wuxuu ahaa xayawaan badeed weyn oo ku dabaalan jiray badaha intii lagu jiray Late Triassic, qiyaastii 227 ilaa 205 milyan oo sano ka hor. Ma ahayn dinosaur, laakiin wuxuu ahaa nooc ka mid ah ichthyosaur, oo leh jir u eg dolphin iyo af dheer. Wuxuu ku noolaa badaha u dhow waxa hadda loo yaqaan British Columbia, Canada.12
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Xaqiiqooyin xiiso leh
Metashastasaurus waxaa markii ugu horreysay magacaabay saynisyahannada Nicholls iyo Manabe sanadkii 2001.1
Laftiisu waxay aad ugu eg tahay ichthyosaurs-ka kale ee shastasaurid, laakiin garabka iyo fibula (laf lugta ah) ayaa qaab ahaan u duwan.2
Madaxiisu wuxuu leeyahay qaybo hore oo waaweyn oo dheeman u eg (lafaha madaxa sare) kuwaas oo gala supratemporal fenestrae, kuwaas oo ah furitaanno ku yaal madaxa.2
Wuxuu lahaa afar carpals (lafaha curcurka) iyo afar farood oo lugta hore ah, taas oo muujinaysa in dib-u-dhisyadii hore ay ku salaysnaayeen qalab aan dhammaystirnayn.2
Metashastasaurus wuxuu ku noolaa deegaan badeed wuxuuna ahaa nektonic, taas oo macnaheedu yahay inuu si firfircoon ugu dabaalan jiray biyaha furan.1
Wuxuu dhalay dhallaan nool, sida ichthyosaurs-ka kale, halkii uu ukun dhigi lahaa.1
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Burinta khuraafaadka
Khuraafaad: Dadka qaar waxay u maleynayaan in Metashastasaurus uu ahaa dinosaur sababtoo ah wuxuu noolaa isla waqtigii dinosaurs-ka.
Runta: Metashastasaurus wuxuu ahaa ichthyosaur, xayawaan badeed, ma ahayn dinosaur. Ichthyosaurs waxay ku noolaayeen badda waxayna lahaayeen jidhyo u eg kalluunka, halka dinosaurs-ku ay ahaayeen xayawaanno dhulka ku nool.1
Khubarada dino
- Magaca sayniska
- Metashastasaurus
- Waxaa magacaabay
- Nicholls and Manabe 20013
- Koox
- Ichthyosaurs
- Qoyska / kooxda
- Shastasauridae3
- Kala soocidda
- Ichthyosauria > Ichthyosauromorpha3
- Xilligii dhagaxyada
- 227 ilaa 206 milyan oo sano (Norian)3
- Dhagaxyada
- Pardonet3
- Waddamada
- Canada3
- Diiwaanka fossil-ka
- 2 oo ku jira Paleobiology Database3
- Daahfurka
- Metashastasaurus waxaa magacaabay Nicholls iyo Manabe sanadkii 2001 ka dib markii ay barteen muunado cusub oo ka yimid Pink Mountain, British Columbia. Muunadahani waxay muujiyeen in noocyadii hore loogu yeeri jiray Shastasaurus neoscapularis ay ku filnaayeen inay galaan nooc cusub.2
- Wali waa la isku khilaafsan yahay
- Saynisyahannadu weli way doodayaan in nooca Shastasaurus uu sax yahay, sababtoo ah noociisa ugu horreeya wuxuu ku salaysan yahay hadhaagii liita. Metashastasaurus waxaa loo abuuray si ay u caawiso caddeynta tan, laakiin xiriirka ka dhexeeya ichthyosaurs-kan weli si buuxda looma xallin.2
Halka xaqiiqadu ka timaaddo
- PBDB Taxon (paleobiodb.org)
- A new genus of ichthyosaur from the Late Triassic... : Canadian Journal of Earth Sciences (ovid.com)
- Metashastasaurus in The Paleobiology Database (CC BY 4.0): da'da, meelaha, qaab-dhismeedka dhagaxyada, kala-soocidda.
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