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Rhomaleopakhus

Izina risobanura: “strong forearm”1

Yaryaga: IbimeraIzifite amajosi maremareJurasike ya nyuma kugeza Kiretase ya mbere

Rhomaleopakhus was a huge, long-necked plant-eater that lived in what is now China. Its front legs were extra strong and stocky, which is why its name means 'strong forearm'. It walked on four legs and used its long neck to reach leaves high up in trees.1 2

Yabayeho

hashize imyaka miliyoni 152 kugeza 1435

Jurasike ya nyuma kugeza Kiretase ya mbere

Ibisigazwa byabonetse muri

Turpan Basin, Xinjiang, China1 3

Uburebure

kugeza kuri 20 m (66 ft)4

Uburemere

kugeza kuri toni 18 (39 700 lb)4

Ubutumburuke

4,5 m (15 ft)

igereranya

Umuvuduko wo hejuru

nka 12 km/h (7 mph)

Kwiruka, igereranya

Yabayeho ryari?

Triyasike

Jurasike

Kiretase

Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yanganaga ite?

Yari ndende ite?

Ubutumburuke bwayo bwanganaga iki?

igereranya

Yari iremereye ite?

iremereye nk'inzovu 3

ndende nk'imodoka 4 ziparitse ku murongondende nk'imineke 110 ikurikiranyeiremereye nk'imodoka 12iremereye nk'imbuto 3600 za watermeloniremereye nk'ibyumba 22 by'amashuri byuzuye abanairemereye nk'idubu 40 zo mu ruburaisumbye ku buryo yarunguruka mu idirishya ryo ku igorofa rya 2yashoboraga kwiruka metero 100 mu masegonda 30 (umuntu wihuta kurusha abandi akenera 9,6)

Rhomaleopakhus yanganaga ite ugereranyije NAWE?

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

Yihutaga ite?

Umuntu ugenda n'amaguru nka 5 km/h (3 mph)

Umwana ku igare nka 12 km/h (7 mph)

Rhomaleopakhus nka 12 km/h (7 mph)

Ifarashi yiruka cyane nka 65 km/h (40 mph)

Ingwe yihuta cyane nka 100 km/h (62 mph)

utuntu twiza cyane

Utuntu dushimishije

Rhomaleopakhus had one of the most robust (thick and strong) ulna bones of any known sauropod dinosaur.3

Its forearm bones were so strong that scientists think it evolved them separately from other sauropods, a process called convergent evolution.1

The only fossil found so far is a right forelimb, including the upper arm bone, two lower arm bones, a wrist bone, and a nearly complete hand.3

Rhomaleopakhus lived during the Late Jurassic period, about 152 to 143 million years ago.2

Its fossils were originally thought to belong to another dinosaur called Hudiesaurus, but scientists later realized they were from a different animal.1

Rhomaleopakhus belonged to a group of long-necked sauropods called Mamenchisauridae, which were common in Asia during the Jurassic.1 2

Ishusho ya Rhomaleopakhus yakozwe na AI — Ishusho yakozwe na AI yerekana uko Rhomaleopakhus 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.

Ku bazobereye muri dinozore

Izina rya siyansi: Rhomaleopakhus
Yiswe na: Upchurch et al. 20215
Itsinda: Izifite amajosi maremare
Umuryango / ishami: Mamenchisauridae5
Ishyirwa mu byiciro: Sauropodomorpha > Sauropoda5
Imyaka y'amabuye: imyaka miliyoni 152 kugeza 143 (Kimmeridgian / Tithonian)5
Inzego z'amabuye: Kalazha5
Ibihugu: Ubushinwa5
Ibisigazwa byanditswe: 1 muri The Paleobiology Database5
Ivumburwa: The first fossil of Rhomaleopakhus was found in 1993 by a Chinese-Japanese expedition near Qiketai in Xinjiang, China. It was named Rhomaleopakhus turpanensis in 2021 by Paul Upchurch and colleagues.1 3
Biracyagibwaho impaka: Scientists are not sure exactly how big Rhomaleopakhus was, because only its forelimb has been found. They also debate whether its strong forearms helped it walk or feed in a special way.1

Aho amakuru yakuwe

Rhomaleopakhus (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Rhomaleopakhus turpanensis Upchurch, Mannion, Xu, and Barrett 2021 (gbif.org)
Rhomaleopakhus turpanensis | Dinosaur Database by DinoAnimals.com (dinoanimals.com)
Rhomaleopakhus in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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