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Umfanekiso wekhathuni: Manidens
Ikhadi ledayinaso No. 1132 kwe-2 027

Manidens

Igama lithetha: “hand tooth”1
Yayitya: IzityaloIzitya-zityalo ezinemilomoiJurassic yokuqala ukuya ku-iJurassic ephakathi

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

Yaphila
184 ukuya ku-171 izigidi zeminyaka eyadlulayo3
iJurassic yokuqala ukuya ku-iJurassic ephakathi
Iifosili zifunyenwe:
Chubut Province, Argentina1
Ubude
0.6 ukuya ku-0.75 m (2 ukuya ku-2.5 ft)1
Ubunzima
0.5 kg (1 lb)2
Ukuphakama
0.26 m (0.9 ft)
uqikelelo
Esona santya siphezulu
malunga ne-15 km/h (9 mph)
Ukubaleka, uqikelelo

Yaphila nini?

iTriassic
iJurassic
iCretaceous
Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Yayinde kangakanani?

Manidens malunga ne-0.75 m ubude (2.5 ft)Ikati yasekhaya malunga ne-0.5 m (1.6 ft)Inja malunga ne-1 m (3.3 ft)Ibhayisikile yomntu omdala malunga ne-1.8 m (5.9 ft)

Yayiphakame kangakanani?

Manidensmalunga ne-0.26 m ukuphakama (0.9 ft)Ikati yasekhayamalunga ne-0.3 m (1 ft)Injamalunga ne-0.5 m (1.6 ft)Ihashemalunga ne-1.6 m (5.2 ft)

uqikelelo

Yayinzima kangakanani?

inzima njengeebhanana ezingama-4
inde njengeebhanana ezingama-4 zilandelelanailula kunekati yasekhayainzima njengeebhanana ezingama-4incinci ngokwaneleyo ukuba ihambe phantsi kwesituloibinokubaleka iimitha ezili-100 ngemizuzwana engama-24 (oyena mntu ukhawulezayo udinga i-9,6)

Manidens wayemkhulu kangakanani xa ethelekiswa NAWE?

Yimathematika nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwe naphi na.

Yayikhawuleza kangakanani?

izinto ezimnandi

Iinyani ezimnandi

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

Yenziwe yi-AIUmfanekiso owenziwe yi-AI: Manidens
Umfanekiso owenziwe yi-AI obonisa indlela Manidens esenokuba wayekhangeleka ngayo, wenziwe yikhompyutha ngokwento eyaziwa zizazinzulu. Kukuqikelela nje: esona silwanyana sinokuba sasikhangeleka ngenye indlela, kwaye akukho mntu waziyo imibala yaso yokwenyani.
ubuzile

Eyona mibuzo ibuzwa kakhulu: 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

Kwiingcali zeedayinaso

Igama lenzululwazi
Manidens
Inikwe igama ngu:
Pol et al. 20113
Iqela
Izitya-zityalo ezinemilomo
Usapho / iclade
Heterodontosauridae3
Ukuhlelwa
Ornithischia > Heterodontosauridae3
Ubudala bamatye
184 ukuya ku-171 izigidi zeminyaka (Toarcian / Aalenian)3
Izakhiwo zamatye
Cañadón Asfalto3
Amazwe
i-Argentina3
Iirekhodi zeefosili
2 kwi-Paleobiology Database3
Ukufunyanwa
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
Kusaxoxwa ngayo
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

Apho iinyani zivela khona

  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): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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