Dinosaur Growth!
Notas do episódio
Tyrannosaurus hatchlings; Tyrannosaurus took 40 years to reach full size; Some dinosaurs grew really fast and some were incredibly slow; Growth affects how much dinosaurs need parental care; A listener question about how sauropod diets changed as they grew; And a whole lot more dinosaur growth research
For links to every news story, all of the details we shared about Tambatitanis, and our fun fact check out https://iknowdino.com/Tambatitanis-Episode-571/
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Dinosaur of the day Tambatitanis, a titanosauriform from Japan named after the friendship between the two people who found the dinosaur.
In dinosaur news this week:
- There’s a new titanosauriform dinosaur, Dasosaurus tocantinensis
- When estimating how dinosaurs grew, some models may be missing important data points
- Dinosaurs were likely thicker and heavier than previously estimated
- How much did climate affect dinosaur body size evolution? It’s hard to say
- Scans of Early Triassic archosauromorph fossils show that this group had a variety of growth strategies from the beginning
- How scales grow as dinosaurs grow can give us some information on how they lived
- Tyrannosaur hatchlings may have left the nest shortly after hatching to hunt
- It took Tyrannosaurus rex 40 years to reach its full size
- Ceratosaurus grew more than 9 times faster than some of its fellow ceratosaurs
- The basal ornithopod Changchunsaurus was one of the slowest growing dinosaurs (that we know of)
- Maiasaura grew in a way that it needed a lot of parental care as a hatchling
- The hadrosaur Gryposaurus grew (mostly) isometrically (meaning everything grew at the same rate)
- The small iguanodont Dysalotosaurus had some interesting fused bones in its neck
- A new, tiny, young sauropodomorph sheds light on how early dinosaurs grew
- The titanosaur Neuquensaurus grew quickly, but differently than expected
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