Probactrosaurus
Probactrosaurus was a plant-eating dinosaur that lived in China during the Early Cretaceous period. It had a narrow snout and long arms, and it could walk on two or four legs. Scientists think it was an early relative of the duck-billed dinosaurs.2
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kalkulua
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6 txakur bezain luze, sudurretik buztanera๐bata bestearen atzean jarritako 33 banana bezain luze๐200 angurria bezain astun๐งธhaur-eskolako 53 haur bezain astun๐31 eskolaume bezain astun๐ปโโ๏ธ2 hartz zuri bezain astun๐100 metro 11 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)Zein handia zen Probactrosaurus ZUREKIN alderatuta?
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Datu dibertigarriak
Probactrosaurus means 'before Bactrosaurus' because the scientist who named it thought it was the ancestor of Bactrosaurus. That idea is no longer accepted.2
It had a small thumb spike, unlike later duck-billed dinosaurs which lost their thumb spikes.2
Probactrosaurus had a double row of cheek teeth, with a third row of replacement teeth starting to grow. This helped it grind up plants.2
The first fossils were discovered by a Soviet-Chinese expedition in 1959 and 1960.2

Dino adituentzat
- Izen zientifikoa
- Probactrosaurus
- Izendatzailea:
- Rozhdestvensky 19664
- Taldea
- Landarejale mokodunak
- Familia / klada
- Hadrosauroidea4
- Sailkapena
- Ornithischia > Ornithopoda > Iguanodontia4
- Arroken adina
- 121 eta 100 milioi urte artean (Aptian / Albian)4
- Arroka-formazioak
- Miaogou4
- Herrialdeak
- Txina4
- Fosil-erregistroak
- 2 The Paleobiology Database datu-basean4
- Aurkikuntza
- Probactrosaurus was named by Soviet paleontologist A. K. Rozhdestvensky in 1966. The fossils were found in Inner Mongolia, China, during a Soviet-Chinese expedition in 1959 and 1960.21
- Oraindik eztabaidagai
- Scientists are still debating exactly where Probactrosaurus sits on the dinosaur family tree. Some think it is a very early hadrosauroid, while others place it closer to the duck-billed dinosaurs.2
Datuak nondik datozen
- Probactrosaurus | Natural History Museum (nhm.ac.uk)
- Probactrosaurus (en.wikipedia.org)
- PBDB Taxon (paleobiodb.org)
- Probactrosaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.
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