Protognathus
Protognathosaurus wuxuu ahaa dinosaur weyn oo qoorta dheer oo dhirta cuna, kaas oo ku noolaa Shiinaha xilligii Middle Jurassic. Waxaa laga yaqaanaa kaliya qayb ka mid ah daankiisa hoose, markaa saynisyahannadu weli way ogaanayaan sida uu u ekaa.1
Goorma ayuu noolaa?
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Xaqiiqooyin xiiso leh
Protognathosaurus waxaa laga yaqaanaa kaliya hal qayb oo daanka hoose ah, oo loo yaqaan dentary, kaas oo lahaa qiyaastii 18 boos oo ilko ah.1
Magaciisu wuxuu markii hore ahaa Protognathus, laakiin magacaas waxaa horey loogu isticmaalay cayayaan, markaa sanadkii 1991 waxaa loo beddelay Protognathosaurus.1
Daanku wuxuu muujinayaa ilko fiiqan oo beddel ah oo weli koraya, taas oo ah sababta magaca nooca oxyodon uu u macneeyo 'ilig fiiqan'.1
Wuxuu noolaa qiyaastii 168 ilaa 161 milyan oo sano ka hor, xilligii Middle Jurassic.1
Haraaga waxaa laga helay Lower Shaximiao Formation, kaas oo ka samaysan dhagax ciid iyo dhoobo laga helay haro qadiimi ah.2
Saynisyahannadu waxay u malaynayaan inuu ahaa sauropod dhexdhexaad ah oo hore, oo leh daan hoose oo qaro weyn oo culus.2
Weydii Rex wax ku saabsan Protognathus
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Burinta khuraafaadka
Khuraafaad: Dadka qaar waxay u malaynayaan in Protognathosaurus uu yahay dinosaur been abuur ah ama la sameeyay sababtoo ah waa mid aan dhammaystirnayn.
Runta: Waa dinosaur dhab ah, laakiin saynisyahanno badan ayaa u arka inuu yahay nomen dubium, taas oo macnaheedu yahay in magaca uu yahay mid shaki leh sababtoo ah haraagu waa mid aad u jajaban si loo hubiyo.1
Khubarada dino
- Magaca sayniska
- Protognathus
- Waxaa magacaabay
- Zhang 19883
- Koox
- Dinos-ka qoorta dheer
- Qoyska / kooxda
- Cetiosauridae3
- Kala soocidda
- Sauropodomorpha > Sauropoda3
- Xilligii dhagaxyada
- 171 ilaa 155 milyan oo sano (Bajocian / Oxfordian)3
- Diiwaanka fossil-ka
- 1 oo ku jira Paleobiology Database3
- Daahfurka
- Sanadkii 1988, Zhang Yihun wuxuu magacaabay oo sharraxay nooca Protognathus oxyodon oo laga helay daan laga helay Shiinaha. Sanadkii 1991, George Olshevsky wuxuu u beddelay Protognathosaurus sababtoo ah magacii hore ayaa horey loo qaatay.1
- Wali waa la isku khilaafsan yahay
- Saynisyahannadu waxay ku doodaan in Protognathosaurus uu yahay nooc sax ah ama kaliya nomen dubium, sababtoo ah haraaga kaliya waa qayb daan ah.1
Halka xaqiiqadu ka timaaddo
- Protognathosaurus (en.wikipedia.org)
- PBDB Taxon (paleobiodb.org)
- Protognathus in The Paleobiology Database (CC BY 4.0): da'da, meelaha, qaab-dhismeedka dhagaxyada, kala-soocidda.
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