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Katuuni ya Fresnosaurus
Kaadi ya dayinoso No. 0670 ku 2 027

Fresnosaurus

Erinnya litegeeza: “Fresno lizard, named after Fresno County in California”1
Yalyanga: EnnyamaPulesiyosawuluEnkomerero ya KuretasiMu butuufu si dayinoso

Fresnosaurus was a huge swimming reptile with a very long neck and flippers instead of legs. It lived in the sea near California during the time of the dinosaurs, but it was not a dinosaur. It probably used its long neck to sneak up on fish and other small sea creatures.13

Ekyewuunyisa: ekyewalula kino eky'omu nnyanja kyawuganga nga dayinoso zitambula ku lukalu. Buli muntu abiyita dayinoso, naye byali ttabi ddala ery'ebyewalula.
Yabeerawo
emyaka obukadde 72 okutuuka ku 66 emabega3
Enkomerero ya Kuretasi
Ebisigalira byazuulibwa mu
Fresno County, California, USA, in the Moreno Formation12
Obuwanvu
okutuuka ku 9 m (30 ft)1
Sipiidi esinga
nga 23 km/h (14 mph)
Okuwuga, kuteebereza

Yabeerawo ddi?

Tiriyasi
Jurasiki
Kuretasi
Emyaka obukadde 252 emabega20114566, asteroyidi

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Yali muwanvu kwenkana wa?

Fresnosaurus obuwanvu nga 9 m (30 ft)Akagaali k'omukulu nga 1.8 m (5.9 ft)Emmotoka nga 4.5 m (15 ft)Enjovu, ekisolo ekisinga obunene ku lukalu leero nga 6.5 m (21 ft)
obuwanvu ng'emmotoka 2 ezisimbiddwa mu lunyiririobuwanvu ng'amenvu 50 nga gaddiriŋŋanayandiwuze obuwanvu bw'ekidiba ekinene (50 m) mu sikonda 7.8

Fresnosaurus yali munene atya bw'ogeraageranya ku GGWE?

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Ebyewuunyisa

1

Fresnosaurus lived about 70 to 66 million years ago, right at the end of the Age of Dinosaurs.1

2

The only known fossil is from a young animal, so scientists think adults might have been even bigger than 9 meters (30 feet).2

3

Its name honors Fresno County, and the species name 'drescheri' honors Arthur Drescher, who likely helped find the fossil.1

4

Fresnosaurus belonged to a group called elasmosaurids, famous for their extremely long necks and paddle-like flippers.13

5

The fossil includes bones like the coracoids (shoulder bones), humerus (upper arm bone), pelvic girdle, and femora (thigh bones), but no skull has been found.2

6

Scientists recently found that some extra bones labeled as Fresnosaurus might actually belong to a different, related plesiosaur called an aristonectine.2

Kyakolebwa AIEkifaananyi kya Fresnosaurus ekyakolebwa AI
Ekifaananyi kya Fresnosaurus 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.

Omumenyi w'enfumo

Enfumo: Some people think Fresnosaurus was a dinosaur because it lived with dinosaurs and is often shown in dinosaur books.

Amazima: Fresnosaurus was a plesiosaur, a marine reptile, not a dinosaur. Dinosaurs lived on land and had different body shapes.13

Eri abakugu mu dayinoso

Erinnya lya ssaayansi
Fresnosaurus
Yatuumibwa
Welles 19433
Ekibinja
Pulesiyosawulu
Ekika / ekibinja
Elasmosauridae3
Engabanya
Plesiosauria > Elasmosauridae > Sauropterygia3
Emyaka gy'enjazi
emyaka obukadde 72 okutuuka ku 66 (Maastrichtian)3
Ensengeka z'enjazi
Moreno3
Ensi
Amerika3
Ebisigalira ebyazuulibwa
1 mu The Paleobiology Database3
Okuzuulibwa
Fresnosaurus was first described by Samuel Paul Welles in 1943, based on a fossil found in the Moreno Formation of California. The fossil was originally stored at the California Institute of Technology and is now at the Natural History Museum of Los Angeles County.12
Kikyakubaganyizibwako ebirowoozo
Scientists are still debating whether Fresnosaurus is a valid, separate genus or if it might be the same as another elasmosaurid, because the only fossil is incomplete and from a juvenile.2

Ebituufu gye biva

  1. Fresnosaurus (en.wikipedia.org)
  2. Reappraisal of Fresnosaurus drescheri (Plesiosauria; Elasmosauridae) from the Maastrichtian Moreno Formation, California, USA - ScienceDirect (sciencedirect.com)
  3. Fresnosaurus in The Paleobiology Database (CC BY 4.0): emyaka, ebifo, ensengeka z'enjazi, engabanya.

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