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Khathune ya Istiorachis
Karete ya dinosaure No. 0891 ho tse 2 027

Istiorachis

Lebitso le bolela: “sail spine”1
E jele: DimelaDija-dimela tse nang le melomoKretase ya Pele

Istiorachis was a plant-eating dinosaur that lived on the Isle of Wight over 120 million years ago. It had a tall sail on its back made of long spines, which might have helped it show off to other dinosaurs. It was about the size of an American bison and weighed as much as a small car.2

E phetse
dilemo tse dimilione tse 133 ho isa ho 121 tse fetileng4
Kretase ya Pele
Difosili di fumanwe ho
Isle of Wight, England, UK12
Boima
ditone tse 1 (2,200 lb)2
Bophahamo
2 m (6.6 ft)2
Lebelo le phahameng ka ho fetisisa
e ka bang 33 km/h (21 mph)
Ho matha, kakanyo

E phetse neng?

Triasiki
Jurasiki
Kretase
Dilemo tse dimilione tse 252 tse fetileng20114566, asteroiti

E ne e le kgolo hakae?

E ne e phahame hakae?

Ntjae ka bang 0.5 m (1.6 ft)Peree ka bang 1.6 m (5.2 ft)Istiorachisbophahamo ba e ka bang 2 m (6.6 ft)Tloue ka bang 3.2 m (10 ft)

E ne e le boima hakae?

boima jwaloka dintja tse 50
boima jwaloka mahapu a 200boima jwaloka bana ba kereshe ba 53boima jwaloka bana ba sekolo ba 31boima jwaloka dibere tse tshweu tse 2e ne e ka matha dimitara tse 100 ka metsotswana e 11 (motho ya lebelo ka ho fetisisa o hloka 9,6)

Istiorachis e ne e le kgolo hakae ha e bapiswa le WENA?

Ke dipalo feela ho browser ya hao. Ha ho letho le bolokwang kapa le romelwang kae kapa kae.

E ne e le lebelo hakae?

dintho tse monate

Dintlha tse monate

1

Istiorachis had very long spines on its back and tail bones, making a sail-like structure that was probably used for showing off to mates or scaring predators.1

2

Its name honors Dame Ellen MacArthur, a famous sailor from the Isle of Wight who sailed solo around the world.1

3

The only known fossil of Istiorachis was found in a plant debris bed near Grange Chine on the Isle of Wight.1

4

Some of the skeleton was stolen by poachers before scientists could collect it.1

5

Istiorachis belonged to a group of dinosaurs called iguanodontians, which were common in the Early Cretaceous.2

6

The sail of Istiorachis was made of neural spines that were over four times taller than the main part of the backbone.1

E entswe ke AISetshwantsho sa Istiorachis se entsweng ke AI
Setshwantsho se entsweng ke AI, se bontshang kamoo Istiorachis e ka beng e ne e shebahala kateng, se entswe ke khomphutha ho ya ka seo bo-ramahlale ba se tsebang. Ke ho hakanya feela: phoofolo ya nnete e ka nna ya ba e ne e shebahala ka tsela e nngwe, mme ha ho motho ya tsebang mebala ya yona ya nnete.
o botsitse

Dipotso tse botswang haholo ka Istiorachis

?How big was Istiorachis?

It was about the size of an American bison, stood around two metres tall, and weighed about one tonne (1,000 kilograms).2

?What did Istiorachis eat?

It was a plant-eating dinosaur, so it ate plants like ferns, cycads and conifers that grew in its warm, forested environment.3

?Why did Istiorachis have a sail?

Scientists think the sail was mostly used for signalling, such as attracting mates or scaring predators, rather than for controlling body temperature.21

?When did Istiorachis live?

It lived more than 120 million years ago, during the Early Cretaceous Period (specifically the Barremian age).23

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense
Istiorachis
E rehilwe ke
Lockwood et al. 20254
Sehlopha
Dija-dimela tse nang le melomo
Lelapa / leloko
Styracosterna4
Tlhophiso
Ornithischia > Ornithopoda > Iguanodontia4
Dilemo tsa mafika
dilemo tse dimilione tse 133 ho isa ho 121 (Hauterivian / Barremian)4
Dibopeho tsa mafika
Wessex4
Dinaha
United Kingdom4
Direkoto tsa difosili
1 ho The Paleobiology Database4
Ho sibollwa
Istiorachis was named in 2025 by Jeremy Lockwood, David Martill, and Susannah Maidment. The fossil was dug up by Nicholas Chase from the Wessex Formation on the Isle of Wight.1
E sa ntse e phehwa kgang
Scientists are not sure exactly what the sail was used for. It might have helped with walking on four legs, or it might have been for showing off to other dinosaurs.1

Moo dintlha di tswang teng

  1. The origins of neural spine elongation in iguanodontian dinosaurs and the osteology of a new sail-back styracosternan (Dinosauria, Ornithischia) from the Lower Cretaceous Wealden Group of England (onlinelibrary.wiley.com)
  2. New sail-backed dinosaur species unearthed on the Isle of Wight | Natural History Museum (nhm.ac.uk)
  3. Istiorachis (en.wikipedia.org)
  4. Istiorachis in The Paleobiology Database (CC BY 4.0): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

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