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Kaadi ya dayinoso No. 1548 ku 2 027

Rhomaleopakhus

Erinnya litegeeza: “strong forearm”1

Yalyanga: EbimeraEz'ensingo empanvuEnkomerero ya Jurasiki okutuuka ku Entandikwa ya Kuretasi

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

Yabeerawo

emyaka obukadde 152 okutuuka ku 143 emabega5

Enkomerero ya Jurasiki okutuuka ku Entandikwa ya Kuretasi

Ebisigalira byazuulibwa mu

Turpan Basin, Xinjiang, China1 3

Obuwanvu

okutuuka ku 20 m (66 ft)4

Obuzito

okutuuka ku ttani 18 (39,700 lb)4

Obugulumivu

4.5 m (15 ft)

kuteebereza

Sipiidi esinga

nga 12 km/h (7 mph)

Okudduka, kuteebereza

Yabeerawo ddi?

Tiriyasi

Jurasiki

Kuretasi

Emyaka obukadde 252 emabega20114566, asteroyidi

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Yali muwanvu kwenkana wa?

Yali mugulumivu kwenkana wa?

kuteebereza

Yali muzito kwenkana wa?

obuzito ng'obw'enjovu 3

obuwanvu ng'emmotoka 4 ezisimbiddwa mu lunyiririobuwanvu ng'amenvu 110 nga gaddiriŋŋanaobuzito ng'obw'emmotoka 12obuzito ng'obwa wotamerooni 3600obuzito ng'obw'ebibiina 22 ebijjuvu eby'abaana b'essomeroobuzito ng'obwa ddubu enjeru 40mugulumivu ekimala okulingiza mu ddirisa ku mwaliiro 2yandidduse mita 100 mu sikonda 30 (omuntu asinga embiro yeetaaga 9.6)

Rhomaleopakhus yali munene atya bw'ogeraageranya ku GGWE?

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Yali wa mbiro kwenkana wa?

Omuntu atambula nga 5 km/h (3 mph)

Omwana ku kagaali nga 12 km/h (7 mph)

Rhomaleopakhus nga 12 km/h (7 mph)

Embalaasi edduka ennyo nga 65 km/h (40 mph)

Cheetah nga 100 km/h (62 mph)

ebintu ebinyuvu

Ebyewuunyisa

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

Ekifaananyi kya Rhomaleopakhus ekyakolebwa AI, nga kiraga engeri gye yayinza okuba ng'afaanana, ekyakolebwa kompyuta okusinziira ku ebyo bannassaayansi bye bamanyi. Kuteebereza: ekisolo ekyennyini kiyinza okuba nga kyali kifaanana bulala, era tewali amanyi langi zaakyo ez'amazima.

Eri abakugu mu dayinoso

Erinnya lya ssaayansi: Rhomaleopakhus
Yatuumibwa: Upchurch et al. 20215
Ekibinja: Ez'ensingo empanvu
Ekika / ekibinja: Mamenchisauridae5
Engabanya: Sauropodomorpha > Sauropoda5
Emyaka gy'enjazi: emyaka obukadde 152 okutuuka ku 143 (Kimmeridgian / Tithonian)5
Ensengeka z'enjazi: Kalazha5
Ensi: Cayina5
Ebisigalira ebyazuulibwa: 1 mu The Paleobiology Database5
Okuzuulibwa: 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
Kikyakubaganyizibwako ebirowoozo: 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

Ebituufu gye biva

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): emyaka, ebifo, ensengeka z'enjazi, engabanya.

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