Kourisodon

Hiika maqaa: “razor tooth”1

Kan nyaate: FoonMoosaasarootaKireetaashasii DhumaaSeera saayinsiitiin daayinoosarii miti

Kourisodon was a small, fast-swimming marine lizard that lived in the late Cretaceous seas. It had sharp, blade-like teeth for slicing through fish and other prey. Even though it was a mosasaur, not a dinosaur, it was a fierce predator in its ocean home.1

Odeeffannoo bashannansiisaa: harkifataan galaanaa kun yeroo daayinoosarootni lafa irra deemaa turan daakaa ture. Namni hundi daayinoo jedhee isaan waama, garuu damee harkifattootaa adda ta'e turan.

Kan jiraate

waggaa miliyoona 86 hanga 66 dura3

Kireetaashasii Dhumaa

Fosiliiwwan kan itti argaman

Vancouver Island, British Columbia, Canada, and Shikoku Island, Japan1 2

Dheerina

3.75 m (12 ft)1

Saffisa ol'aanaa

gara 37 km/sa'a (23 mph)

Daakuu, tilmaama

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam dheeraa ture?

akka saree 4 funyaan hanga eegeetti dheeraaakka muuzii 21 walitti hiriiran dheeraadheerina bishaan daakaa guddaa (50 m) sekondii 4.9 keessatti daakuu danda'a

SI wajjin yoo wal bira qabamu, Kourisodon hammam guddaa ture?

Herrega qofa barbaadduu kee keessatti. Wanti tokkollee hin olkaa'amu, eessayyuu hin ergamu.

Hammam saffisaa ture?

Nama miilaan deemu gara 5 km/sa'a (3 mph)

Daa'ima saayikilii irra jiru gara 12 km/sa'a (7 mph)

Kourisodon gara 37 km/sa'a (23 mph)

Farda gulufu gara 65 km/sa'a (40 mph)

Cheetaa gara 100 km/sa'a (62 mph)

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

Kourisodon was a small mosasaur, only about 3.75 metres (12.3 feet) long, much smaller than giants like Mosasaurus.1

Its name means 'razor tooth' in Greek, because its teeth were shaped like blades.1

Fossils of Kourisodon have been found in both Canada and Japan, showing it lived in the Pacific Ocean.1 2

The first Kourisodon fossil was discovered along the Puntledge River on Vancouver Island, and the species was named K. puntledgensis after that river.1

A life-sized replica of the Puntledge River specimen is on display at the Canadian Fossil Discovery Centre in Morden, Manitoba.1

Kourisodon lived alongside long-necked plesiosaurs (elasmosaurids), turtles, and other mosasaurs, but no short-necked plesiosaurs (polycotylids) were found in its Canadian home.1

Fakkii AI'n hojjetame: Kourisodon — Fakkii AI'n hojjetame kan Kourisodon maal fakkaachuu akka danda'u agarsiisu, kompiitaraan beekumsa saayintistootaa irratti hundaa'uun hojjetame. Tilmaama qofa: bineensi dhugaa adda ta'ee mul'achuu danda'a, halluu isaa dhugaa immoo namni beeku hin jiru.

Ogeeyyii daayinootiif

Maqaa saayinsii: Kourisodon
Kan maqaa baase: Nicholls and Meckert 20023
Garee: Moosaasaroota
Maatii / kilaadii: Mosasauridae3
Ramaddii: Mosasauroidea3
Umurii dhagaawwanii: waggaa miliyoona 86 hanga 66 (Santonian / Maastrichtian)3
Caasaawwan dhagaa: Pender, Hiketa, Mutsuo3
Biyyoota: Jaappaan, Kanaadaa3
Galmee fosilii: 3 The Paleobiology Database keessa3
Argannoo: Kourisodon was named in 2002 by paleontologists Elizabeth Nicholls and Dirk Meckert, based on a fossil found on Vancouver Island, Canada. The type species is K. puntledgensis.1 3
Ammallee falmisiisaa: Scientists are not sure if the Japanese fossils belong to a second, unnamed species of Kourisodon, because they have slightly different teeth.1

Odeeffannoon eessaa dhufa

Kourisodon (en.wikipedia.org)
Kourisodon sp. (Mosasauridae) from the Upper Cretaceous Izumi Group (Upper Campanian) of Kanewari, Tawa, Sanuki City, Kagawa Prefecture, Southwest Japan (gbank.gsj.jp)
Kourisodon in The Paleobiology Database (CC BY 4.0): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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