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Kaikaifilu ci nataal bu fo
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Kaikaifilu

Tur bi mooy: “named after Coi Coi-Vilu, a reptilian ocean deity from Mapuche mythology”1
Lekkoon: YàppMosasoor yiKretase bu mujjCi xam-xam, du dinosoor

Kaikaifilu was a giant marine lizard that swam in the cold seas near Antarctica 66 million years ago. It was one of the biggest mosasaurs in the Southern Hemisphere, with a skull as long as a tall child!1

Xibaar bu neex: reptil bu géej bii dafa daan féey ci jamono yi dinosoor yi daan dox ci suuf. Ñépp dañu leen di wooye dino, waaye beneen caru reptil lañu woon.
Dundoon
am na 72 ba 66 milyoŋ at4
Kretase bu mujj
Fosil yu ñu gis ci
Seymour Island, Antarctic Peninsula41
Guddaay
ba 10 m (33 ft)1
Gaawaay bi gën a kawe
lu tollu ci 33 km/h (21 mph)
Féey, jortu

Kañ la dundoon?

Triyaas
Jurasik
Kretase
Am na 252 milyoŋ at20114566, asteroyid bi

Naka la réyoon?

Naka la guddoon?

Kaikaifilu lu tollu ci 10 m ci guddaay (33 ft)Weloy mag lu tollu ci 1,8 m (5,9 ft)Oto lu tollu ci 4,5 m (15 ft)Ñey, rab bi gën a mag ci suuf tey lu tollu ci 6,5 m (21 ft)
gudd ni 2 oto yu ñu taxawal ci benn rëddgudd ni 56 banaana yu ñu topp-toppalemënoon na féey guddaayu pisin bu mag (50 m) ci 5,5 segond

Naka la Kaikaifilu réyoon, bu ñu ko méngalee ak YAW?

Ay kalkil rekk ci sa navigatëer. Dara du ñu denc, dara du ñu yónne fenn.

Naka la gaawoon?

yëf yu neex

Xibaar yu neex

1

Kaikaifilu had different types of teeth in its mouth, which is rare for mosasaurs. This is called heterodont dentition.1

2

Its skull was about 1.1 to 1.2 metres long, almost twice as long as the skull of another Antarctic mosasaur called Taniwhasaurus antarcticus.1

3

Kaikaifilu lived in waters that could be as cold as 6 °C, and sometimes the sea surface temperature dropped below freezing.1

4

It lived right at the end of the Age of Dinosaurs, during the Cretaceous-Paleogene extinction event, and was one of the last mosasaurs to exist.1

5

The only known fossil of Kaikaifilu is a partial skull and a humerus (upper arm bone), found in 2011 by a Chilean expedition.2

6

Scientists think Kaikaifilu might belong to the Tylosaurinae group, but some features make this uncertain.1

Def ak IANataalu Kaikaifilu bu ñu def ak IA
Nataal bu IA def la, muy wone ni Kaikaifilu mën a meloon, ordinatëer moo ko def ci li boroom xam-xam yi xam. Jortu kese la: rab bi ci dëgg mën na meloon neneen, te kenn xamul ay kulëëram yu dëgg.
yeen a laaj

Laaj yi ñu gën a laaj ci Kaikaifilu

?How big was Kaikaifilu?

About 10 metres long, making it the largest mosasaur known from the Southern Hemisphere.13

?What did Kaikaifilu eat?

It was an apex predator that ate fish, plesiosaurs, other mosasaurs, and filter-feeding marine reptiles.13

?When did Kaikaifilu live?

It lived about 66 million years ago, right at the end of the Age of Dinosaurs, during the Cretaceous-Paleogene extinction event.13

?Where was Kaikaifilu found?

Its fossil was found on Seymour Island in Antarctica, by a Chilean expedition in 2011.1

?Is Kaikaifilu a dinosaur?

No, it is a mosasaur, which is a giant marine lizard, not a dinosaur.13

?Why did Kaikaifilu have different teeth?

It had different types of teeth (heterodont dentition), which is rare for mosasaurs and helped it eat a variety of prey.1

Ngir ñi xam dino lool

Turu xam-xam
Kaikaifilu
Ku ko tudde
Otero et al. 20174
Kurél
Mosasoor yi
Njaboot / klad
Mosasauridae4
Klasifikasiyoŋ
Mosasauroidea4
Màggaayu doj yi
72 ba 66 milyoŋ at (Maastrichtian)4
Formasiyoŋi doj
Lopez de Bertodano4
Réew yi
Antarktik4
Fosil yu ñu gis
1 ci The Paleobiology Database4
Gisees
Kaikaifilu was named in 2017 by Rodrigo Otero and colleagues, based on a fossil found in January 2011 on Seymour Island, Antarctica, by a Chilean expedition.42
Ñu ngi koy werante ba tey
Scientists are not sure if Kaikaifilu truly belongs to the Tylosaurinae group, because some of its features are different from other tylosaurines.1

Fa xibaar yi jóge

  1. Kaikaifilu (en.wikipedia.org)
  2. Kaikaifilu hervei gen. et sp. nov., a new large mosasaur (Squamata, Mosasauridae) from the upper Maastrichtian of Antarctica (sciencedirect.com)
  3. A giant predatory lizard swam in Antarctic seas near the end of the dinosaur age | ScienceDaily (sciencedaily.com)
  4. Kaikaifilu in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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