Protognathus
Protognathosaurus ko dinooɓe mawɗo, ñaamɗo leɗɗe, mo wuuri e nder Siin e sahaa Middle Jurassic. Anndaa ko e feccere ɓalndu les, wano annduɓe ɓe keɓaani hoolaare no ɗum waɗiri.1
Ɗume nde o wuuri?
How fast was it?
Anndal belɗungal
Protognathosaurus anndaa ko e feccere ɓalndu les gooto, wiyeteeɗo dentary, mo joginoo ko 18 nokkuuji nyiira.1
Innde mum ko adii ko Protognathus, kono ndeen innde ina joginoo e mbuuɗu, wano e hitaande 1991 wayli e Protognathosaurus.1
Ɓalndu nduu hollii nyiira lomto ɓurɗo mawnude, wano innde species oxyodon firti ko 'nyiira ɓowɗi'.1
Wuuri ko e hitaande 168 haa 161 miliyoŋ ko adii jooni, e sahaa Middle Jurassic.1
Ɓalli ɗii keɓaa ko e Lower Shaximiao Formation, mo waɗaa e sandstone e mudstone e nder weendu ɓooyndu.2
Annduɓe sikki ko sauropod primordial hakkundeejo, jogiiɗo ɓalndu les tiiɗndu e teddundu.2


Naamnu Rex fii Protognathus
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Feññinoowo goonga
Fenaande: Yimɓe woɗɓe sikki Protognathosaurus ko dinooɓe fenaande sabi ɗum timmaani.
Goonga: Ko dinooɓe goonga, kono annduɓe ɗuuɗɓe njiɗi ɗum ko nomen dubium, tawa innde ndee ko sikkitii sabi ɓalli ɗii ɓuri famɗude.1
Ngam annduɓe dino
- Innde ganndal
- Protognathus
- Inndoowo
- Zhang 19883
- Fedde
- Daaɗe juutɗe
- Fedde / clade
- Cetiosauridae3
- Fedde
- Sauropodomorpha > Sauropoda3
- Duuɓi kaaƴe
- 171 haa 155 miliyoŋ hitaande (Bajocian / Oxfordian)3
- Fosilji tawaaɗi
- 1 e nder Paleobiology Database3
- Tawgol
- E hitaande 1988, Zhang Yihun inniri e sifii type species Protognathus oxyodon e ɓalndu keɓaa e Siin. E hitaande 1991, George Olshevsky wayli innde ndee e Protognathosaurus sabi innde ɓooynde ndee ina joginoo.1
- Haa jooni ɓe ɗon yeddondira
- Annduɓe ɓe keɓaani hoolaare si Protognathosaurus ko genus moƴƴo walla ko nomen dubium, sabi ko tan ɓalli ɗii ko feccere ɓalndu.1
Ɗo haalaaji iwri
- Protognathosaurus (en.wikipedia.org)
- PBDB Taxon (paleobiodb.org)
- Protognathus in The Paleobiology Database (CC BY 4.0): duuɓi, nokkuuje, cuuɗi kaaƴe, pecce.
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