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Rikisaurus
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
Yabayeho ryari?
Yanganaga ite?
Yari ndende ite?
ndende nk'imbwa 3 zikurikiranye🍌ndende nk'imineke 17 ikurikiranye🏊yashoboraga koga uburebure bwa pisine nini (50 m) mu masegonda 5,5Rikisaurus yanganaga ite ugereranyije NAWE?
Ni imibare gusa ibarirwa muri mushakisha yawe. Nta kintu kibikwa cyangwa cyoherezwa ahandi.
Yihutaga ite?
Utuntu dushimishije
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
Its teeth were small, with two ridges (bicarinate), and the enamel was smooth.1
The lower jaw had 15 or 16 teeth and deepened in the middle, giving it a semicircular bump (coronoid).1
Rikisaurus is known from only one fossil: a skull and four neck bones found in New Zealand.1
It lived between 83.6 and 66 million years ago, during the Campanian and Maastrichtian ages of the Late Cretaceous.1
Scientists think Rikisaurus was a small adult mosasaur, about the size of a modern dolphin.1
Ibibazo bibazwa cyane kuri 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
Ku bazobereye muri dinozore
- Izina rya siyansi
- Rikisaurus
- Yiswe na
- Wiffen 19903
- Itsinda
- Mozazore
- Umuryango / ishami
- Mosasauridae3
- Ishyirwa mu byiciro
- Mosasauroidea3
- Imyaka y'amabuye
- imyaka miliyoni 84 kugeza 66 (Campanian / Maastrichtian)3
- Inzego z'amabuye
- Tahora3
- Ibihugu
- Nuveli Zelande3
- Ibisigazwa byanditswe
- 1 muri The Paleobiology Database3
- Ivumburwa
- 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
- Biracyagibwaho impaka
- Scientists are not sure exactly how big Rikisaurus grew, because only one skull has been found.1
Aho amakuru yakuwe
- PBDB Taxon (paleobiodb.org)
- Moanasaurus (Wikipedia) (Wikipedia)
- Rikisaurus in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.
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Mosasaurus
Prognathodon
Tylosaurus
Platecarpus
Clidastes
Globidens
Tyrannosaurus
Triceratops
Velociraptor
Spinosaurus
Ankylosaurus
Parasaurolophus