I Know Dino Podcast: Kulindadromeus

Episode 12 is all about Kulindadromeus, a dinosaur the scale of a turkey that was lined in feathers.

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On this episode, we talk about:

The dinosaur of the day: Kulindadromeus zabaikalicus, which suggests “Kulinda River operating dinosaur
Kulindadromeus was found in Zabaikalsky Krai, Siberia

It lived within the Jurassic, about 160 million years in the past, close to the Kulinda River
Kulindadromeuswas small, concerning the measurement of a turkey and solely 5 ft lengthy
It walked on two legs, had brief arms, and had scales on its tail and shins and brief bristles on its head and again

Kulindadromeus is an early ornithiscian (neoornithiscian) and it might run
The most important discovery of Kulindadromeus have been the fossil feathers. It is because Kulindadromeus is an herbivore, and the perfect instance of a non-theropod with feathers
Paleontologist Steve Brusatte from the College of Edinburgh mentioned feathers most likely existed in dinosaur’s widespread ancestor

Earlier than Kulindadromeus the principle dinosaurs discovered with feathers have been theropods, the ancestors of contemporary birds
In China, no less than 5 kinds of feathered dinosaurs have been found prior to now 20 years. However they have been largely raptors
Pascal Godefroit, the lead writer of the Kulindadromeus research, mentioned scientists had foundornisthischians with bristles or quills, however it was unclear in the event that they have been actual feathers

Not all dinosaurs had feathers (for instance sauropods would have been too heat with them as a result of they’re too massive; like how elephants don’t have hair
Smaller dinosaurs have been most likely lined in feathers, however after they grew up they might have misplaced them as a result of they now not wanted the insulation
Kulindadromeus had feathers on its legs and arms. Every feather had six or seven filaments joined collectively, resembling down feathers of contemporary chickens

Maria McNamara, a researcher on the College Faculty Cork mentioned that feathers and hair are hardly ever preserved in fossils as a result of scavengers are likely to take away them from the useless animal
As a result of there have been loads of volcanoes within the space, the Kulindadromeus specimens most likely died, fell to the underside of the lake, then have been lined in ash after an eruption. The ash preserved their feather imprints. This roundabout means of fossilizing softer materials explains why fossils of feathers are so unusual
A lot of the Kulindadromeus bones discovered have been of juveniles, which suggests they most likely died individually from each other, and never in a mass catastrophic occasion

There are three kinds of feather fossils discovered: hair-like filaments that lined the trunk, neck, and head and seemed like dino fuzz; teams of 6-7 downward dealing with filaments that originated from a base plate and have been on the higher arm and thigh; and 6-7 ribbon-like constructions on the higher and decrease legs
Kulindadromeus didn’t use its feathers to fly, and it’s not clear what the feathers have been for (could have been for insulation or show)
Kulindadromeus had scales in addition to feathers. It had arched scales that fashioned rows on its tail

There are additionally three kinds of scales: overlapping hexagonal scales on the decrease shins; small, spherical, non-overlapping scales on the arms, ankles, and ft; and rows of arched rectangular scales on the highest of the tail
Kulindadromeus is a neornithiscia, a clade of the order ornithischia
Neornithischia was named in 1985

Neornithischians are united by having a thicker layer of asymmetrical enamel on the within of their decrease tooth. The tooth wore erratically with chewing and developed sharp ridges that allowed neornithischians to interrupt down more durable plant meals than different dinosaurs
Enjoyable truth: About half of all of the recognized dinosaur species have been found prior to now 20 years

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