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Igishushanyo cya Manidens
Ikarita ya dinozore nimero 1132 muri 2 027

Manidens

Izina risobanura: “hand tooth”1
Yaryaga: IbimeraIzirya ibimera zifite umunwa w'inyoniJurasike ya mbere kugeza Jurasike yo hagati

Manidens was a tiny, plant-eating dinosaur that lived in what is now Argentina. It had a beak and special teeth that looked a bit like a human hand. This little dinosaur was only about as long as a big dog!1

Yabayeho
hashize imyaka miliyoni 184 kugeza 1713
Jurasike ya mbere kugeza Jurasike yo hagati
Ibisigazwa byabonetse muri
Chubut Province, Argentina1
Uburebure
0,6 kugeza 0,75 m (2 kugeza 2,5 ft)1
Uburemere
0,5 kg (1 lb)2
Ubutumburuke
0,26 m (0,9 ft)
igereranya
Umuvuduko wo hejuru
nka 15 km/h (9 mph)
Kwiruka, igereranya

Yabayeho ryari?

Triyasike
Jurasike
Kiretase
Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yanganaga ite?

Yari ndende ite?

Manidens nka 0,75 m z'uburebure (2,5 ft)Injangwe yo mu rugo nka 0,5 m (1,6 ft)Imbwa nka 1 m (3,3 ft)Igare ry'umuntu mukuru nka 1,8 m (5,9 ft)

Ubutumburuke bwayo bwanganaga iki?

Manidensnka 0,26 m z'ubutumburuke (0,9 ft)Injangwe yo mu rugonka 0,3 m (1 ft)Imbwanka 0,5 m (1,6 ft)Ifarashinka 1,6 m (5,2 ft)

igereranya

Yari iremereye ite?

iremereye nk'imineke 4
ndende nk'imineke 4 ikurikiranyeyoroheje kurusha injangwe yo mu rugoiremereye nk'imineke 4nto ku buryo yanyura munsi y'intebeyashoboraga kwiruka metero 100 mu masegonda 24 (umuntu wihuta kurusha abandi akenera 9,6)

Manidens yanganaga ite ugereranyije NAWE?

Ni imibare gusa ibarirwa muri mushakisha yawe. Nta kintu kibikwa cyangwa cyoherezwa ahandi.

Yihutaga ite?

utuntu twiza cyane

Utuntu dushimishije

1

Manidens lived during the Middle Jurassic, about 171 to 167 million years ago, in a time when South America had many lakes and forests.1

2

Its name comes from the Latin words for 'hand' and 'tooth' because its last tooth looked like a tiny hand with fingers.1

3

Manidens is a heterodontosaurid, a group of small ornithischian dinosaurs that often had different types of teeth for different jobs.1

4

The only known skeleton of Manidens includes parts of the skull, jaws, backbone, shoulder, and hips, but not the tail or legs.1

5

Scientists think Manidens shows an intermediate step in the evolution of plant-eating: it had high tooth crowns but not the heavy wear facets that later relatives had.1

6

Manidens was one of the few ornithischian dinosaurs known from the Jurassic of South America, making it a rare find.1

Byakozwe na AIIshusho ya Manidens yakozwe na AI
Ishusho yakozwe na AI yerekana uko Manidens ishobora kuba yari isa, yakozwe na mudasobwa hashingiwe ku byo abahanga bazi. Ni ugukeka gusa: inyamaswa nyayo ishobora kuba yari isa ukundi, kandi nta muntu uzi amabara yayo nyayo.
wabajije

Ibibazo bibazwa cyane kuri Manidens

?How big was Manidens?

Manidens was about 60 cm (2.0 ft) long and weighed around 500 g (1.1 lb), smaller than later heterodontosaurids.2

?What did Manidens eat?

Manidens was a plant-eater. It had high-crowned teeth for chewing plants, but it lacked the heavy wear facets seen in more advanced relatives.21

?When did Manidens live?

Manidens lived during the Early Jurassic, about 179 to 178 million years ago, in what is now Argentina.2

?Did Manidens have feathers?

Scientists think it might have. A close relative called Tianyulong had filamentous structures, so Manidens may have had them too.2

Ku bazobereye muri dinozore

Izina rya siyansi
Manidens
Yiswe na
Pol et al. 20113
Itsinda
Izirya ibimera zifite umunwa w'inyoni
Umuryango / ishami
Heterodontosauridae3
Ishyirwa mu byiciro
Ornithischia > Heterodontosauridae3
Imyaka y'amabuye
imyaka miliyoni 184 kugeza 171 (Toarcian / Aalenian)3
Inzego z'amabuye
Cañadón Asfalto3
Ibihugu
Arijantine3
Ibisigazwa byanditswe
2 muri The Paleobiology Database3
Ivumburwa
Manidens was named in 2011 by Diego Pol, Oliver Rauhut, and Marcos Becerra. The fossils were found at the Queso Rallado site near Cerro Cóndor, Argentina, in the Cañadón Asfalto Formation.13
Biracyagibwaho impaka
Scientists are still debating exactly how Manidens chewed its food, since its teeth were high and close together but lacked the heavy wear seen in more advanced plant-eaters.1

Aho amakuru yakuwe

  1. A Middle Jurassic heterodontosaurid dinosaur from Patagonia and the evolution of heterodontosaurids (staff.mef.org.ar)
  2. Manidens (en.wikipedia.org)
  3. Manidens in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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