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Katuuni ya Rikisaurus
Kaadi ya dayinoso No. 1552 ku 2 027

Rikisaurus

Erinnya litegeeza: “Riki's lizard”3
Yalyanga: EnnyamaMosasawuluEnkomerero ya KuretasiMu butuufu si dayinoso

Rikisaurus was a marine lizard that swam in the warm seas near New Zealand about 80 million years ago. It was a mosasaur, a relative of today's monitor lizards, but with flippers instead of legs. This predator hunted fish and other sea creatures with its long, pointed snout and many small teeth.31

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 84 okutuuka ku 66 emabega3
Enkomerero ya Kuretasi
Ebisigalira byazuulibwa mu
Mangahouanga Stream, Hawke's Bay, North Island, New Zealand31
Obuwanvu
2 okutuuka ku 3 m (6.6 okutuuka ku 9.8 ft)1
Sipiidi esinga
nga 33 km/h (21 mph)
Okuwuga, kuteebereza

Yabeerawo ddi?

Tiriyasi
Jurasiki
Kuretasi
Emyaka obukadde 252 emabega20114566, asteroyidi

Yali munene atya?

Yali muwanvu kwenkana wa?

Rikisaurus obuwanvu nga 3 m (9.8 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'embwa 3, ennyindo ku mukiraobuwanvu ng'amenvu 17 nga gaddiriŋŋanayandiwuze obuwanvu bw'ekidiba ekinene (50 m) mu sikonda 5.5

Rikisaurus yali munene atya bw'ogeraageranya ku GGWE?

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ebintu ebinyuvu

Ebyewuunyisa

1

Rikisaurus had a very long, slender snout that tapered to a point, and its upper jaw had 13 or 14 teeth on each side.1

2

Its teeth were small, with two ridges (bicarinate), and the enamel was smooth.1

3

The lower jaw had 15 or 16 teeth and deepened in the middle, giving it a semicircular bump (coronoid).1

4

Rikisaurus is known from only one fossil: a skull and four neck bones found in New Zealand.1

5

It lived between 83.6 and 66 million years ago, during the Campanian and Maastrichtian ages of the Late Cretaceous.1

6

Scientists think Rikisaurus was a small adult mosasaur, about the size of a modern dolphin.1

Kyakolebwa AIEkifaananyi kya Rikisaurus ekyakolebwa AI
Ekifaananyi kya Rikisaurus 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.
wabuuza

Ebibuuzo ebisinga okubuuzibwa ku Rikisaurus

?Is Rikisaurus a dinosaur?

No, it is a mosasaur, a marine reptile related to today's monitor lizards, not a dinosaur.23

?How big was Rikisaurus?

It was a small adult mosasaur, about the size of a modern dolphin, though exact length is not given in the sources.3

?What did Rikisaurus eat?

It was a carnivore that hunted fish and other sea creatures with its long, pointed snout and many small teeth.3

?Where was Rikisaurus found?

Its only known fossil, a skull and four neck bones, was found in the Mangahouanga Stream in New Zealand.3

Eri abakugu mu dayinoso

Erinnya lya ssaayansi
Rikisaurus
Yatuumibwa
Wiffen 19903
Ekibinja
Mosasawulu
Ekika / ekibinja
Mosasauridae3
Engabanya
Mosasauroidea3
Emyaka gy'enjazi
emyaka obukadde 84 okutuuka ku 66 (Campanian / Maastrichtian)3
Ensengeka z'enjazi
Tahora3
Ensi
Niyuzirandi3
Ebisigalira ebyazuulibwa
1 mu The Paleobiology Database3
Okuzuulibwa
Rikisaurus was named by paleontologist J. Wiffen in 1990, based on a skull and neck bones found in the Tahora Formation of New Zealand.31
Kikyakubaganyizibwako ebirowoozo
Scientists are not sure exactly how big Rikisaurus grew, because only one skull has been found.1

Ebituufu gye biva

  1. PBDB Taxon (paleobiodb.org)
  2. Moanasaurus (Wikipedia) (Wikipedia)
  3. Rikisaurus in The Paleobiology Database (CC BY 4.0): emyaka, ebifo, ensengeka z'enjazi, engabanya.

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Endala okuva mu kibinja kye kimu: Mosasawulu

Era ez'omu kiseera kye kimu: Enkomerero ya Kuretasi

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