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Halisaurus
Halisaurus was a small, sleek marine lizard that swam in the warm seas of the Late Cretaceous. It was not a dinosaur, but a mosasaur, a relative of today's monitor lizards. It used its long tail and flippers to chase fish and other prey.1
Yabayeho ryari?
Yanganaga ite?
Yari ndende ite?
ndende nk'imbwa 4 zikurikiranye🍌ndende nk'imineke 22 ikurikiranye🏊yashoboraga koga uburebure bwa pisine nini (50 m) mu masegonda 4,9Halisaurus yanganaga ite ugereranyije NAWE?
Ni imibare gusa ibarirwa muri mushakisha yawe. Nta kintu kibikwa cyangwa cyoherezwa ahandi.
Yihutaga ite?
Utuntu dushimishije
Halisaurus was named by famous fossil hunter Othniel Charles Marsh in 1869.1
It was a small mosasaur, only about 3 to 4 metres long, much smaller than giants like Tylosaurus.1
Its flippers were not as specialized as those of later mosasaurs, so it was probably a slower swimmer.1
Fossils of Halisaurus have been found on every continent except Australia and Antarctica.2
The species Halisaurus onchognathus is known only from remains that were destroyed during World War II, so scientists are not sure if it was a real species.1
Halisaurus lived from about 85 to 66 million years ago, during the Late Cretaceous.2
Ibibazo bibazwa cyane kuri Halisaurus
?How big was Halisaurus?
Halisaurus was about 3 to 4 metres (9.8 to 13.1 feet) long, making it small for a mosasaur.1
?Was Halisaurus a dinosaur?
No, Halisaurus was not a dinosaur. It was a mosasaur, a marine lizard related to today's monitor lizards.1
?What did Halisaurus eat?
Halisaurus likely ate small fish and other small prey, based on its slender jaws and numerous small teeth.1
?Could Halisaurus swim fast?
Maybe up to about 37 km/h (23 mph) in a short burst. This is an estimate from its size. But it was probably not a great swimmer over long distances, because its flippers were not as good as those of later mosasaurs.1
?When did Halisaurus live?
Halisaurus lived during the Late Cretaceous, from about 86 to 66 million years ago.1
?Where have Halisaurus fossils been found?
Fossils have been found on every continent except Australia and Antarctica, including North America and North Africa.1
Gusenya ibinyoma
Ibivugwa: Halisaurus was a dinosaur.
Ukuri: Halisaurus was a mosasaur, a marine reptile closely related to modern monitor lizards, not a dinosaur.1
Ku bazobereye muri dinozore
- Izina rya siyansi
- Halisaurus
- Yiswe na
- Marsh 18692
- Itsinda
- Mozazore
- Umuryango / ishami
- Mosasauridae2
- Ishyirwa mu byiciro
- Mosasauroidea2
- Imyaka y'amabuye
- imyaka miliyoni 86 kugeza 62 (Santonian / Danian)2
- Inzego z'amabuye
- Navesink, Severn, Marshalltown2
- Ibihugu
- Amerika, Maroke, Shili, Peru, Yorudaniya, Angola2
- Ibisigazwa byanditswe
- 30 muri The Paleobiology Database2
- Ivumburwa
- Halisaurus was named by Othniel Charles Marsh in 1869 based on a partial skull and vertebrae found near Hornerstown, New Jersey.1
- Biracyagibwaho impaka
- Scientists are not sure how many species of Halisaurus really existed, because some fossils are very fragmentary.1
Aho amakuru yakuwe
- Halisaurus (en.wikipedia.org)
- Halisaurus 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