Kourisodon

Igama lithetha: “razor tooth”1

Yayitya: InyamaIimosasauriiCretaceous yamvaNgokwenene ayisiyo dayinaso

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

Inyani emnandi: esi sirhubuluzi saselwandle sasiqubha ngelixa iidayinaso zazihamba emhlabeni. Wonke umntu uzibiza ngokuba ziidayinaso, kodwa zazilisebe elahlukileyo lezirhubuluzi.

Yaphila

86 ukuya ku-66 izigidi zeminyaka eyadlulayo3

iCretaceous yamva

Iifosili zifunyenwe:

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

Ubude

3.75 m (12 ft)1

Esona santya siphezulu

malunga ne-37 km/h (23 mph)

Ukuqubha, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Yayinde kangakanani?

inde njengezinja ezingama-4, impumlo ukuya emsileniinde njengeebhanana ezingama-21 zilandelelanaibinokuqubha ubude bechibi elikhulu lokuqubha (50 m) ngemizuzwana engama-4.9

Kourisodon wayemkhulu kangakanani xa ethelekiswa NAWE?

Yimathematika nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwe naphi na.

Yayikhawuleza kangakanani?

Umntu ohambayo malunga ne-5 km/h (3 mph)

Umntwana ekhwele ibhayisikile malunga ne-12 km/h (7 mph)

Kourisodon malunga ne-37 km/h (23 mph)

Ihashe elibaleka ngamandla malunga ne-65 km/h (40 mph)

Ingwenkala malunga ne-100 km/h (62 mph)

izinto ezimnandi

Iinyani ezimnandi

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

Umfanekiso owenziwe yi-AI: Kourisodon — Umfanekiso owenziwe yi-AI obonisa indlela Kourisodon esenokuba wayekhangeleka ngayo, wenziwe yikhompyutha ngokwento eyaziwa zizazinzulu. Kukuqikelela nje: esona silwanyana sinokuba sasikhangeleka ngenye indlela, kwaye akukho mntu waziyo imibala yaso yokwenyani.

Kwiingcali zeedayinaso

Igama lenzululwazi: Kourisodon
Inikwe igama ngu:: Nicholls and Meckert 20023
Iqela: Iimosasauri
Usapho / iclade: Mosasauridae3
Ukuhlelwa: Mosasauroidea3
Ubudala bamatye: 86 ukuya ku-66 izigidi zeminyaka (Santonian / Maastrichtian)3
Izakhiwo zamatye: Pender, Hiketa, Mutsuo3
Amazwe: iJapan, iKhanada3
Iirekhodi zeefosili: 3 kwi-Paleobiology Database3
Ukufunyanwa: 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
Kusaxoxwa ngayo: Scientists are not sure if the Japanese fossils belong to a second, unnamed species of Kourisodon, because they have slightly different teeth.1

Apho iinyani zivela khona

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): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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