Dinokaart nr. 0985 van 2 027

Kourisodon

Naam beteken: “razor tooth”1

Het geëet: VleisMosasourusseLaat KrytTegnies nie 'n dinosourus nie

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

Prettige feit: hierdie seereptiel het geswem terwyl dinosourusse op land geloop het. Almal noem hulle dino's, maar hulle was 'n ander tak van die reptiele.

Het geleef

86 tot 66 miljoen jaar gelede3

Laat Kryt

Fossiele gevind in

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

Lengte

3,75 m (12 ft)1

Topspoed

omtrent 37 km/h (23 mph)

Swem, skatting

Wanneer het dit geleef?

Trias

Jura

Kryt

252 miljoen jaar gelede20114566, die asteroïde

Hoe groot was dit?

Hoe lank was dit?

so lank soos 4 honde van neus tot stertso lank soos 21 piesangs punt aan puntkon die lengte van 'n groot swembad (50 m) in 4,9 sekondes swem

Hoe groot was Kourisodon vergeleke met JOU?

Net wiskunde in jou blaaier. Niks word gestoor of êrens heen gestuur nie.

Hoe vinnig was dit?

'n Mens wat loop omtrent 5 km/h (3 mph)

'n Kind op 'n fiets omtrent 12 km/h (7 mph)

Kourisodon omtrent 37 km/h (23 mph)

'n Galopperende perd omtrent 65 km/h (40 mph)

'n Jagluiperd omtrent 100 km/h (62 mph)

cool goed

Prettige feite

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

KI-prent van Kourisodon — 'n KI-prent van hoe Kourisodon dalk gelyk het, deur 'n rekenaar gemaak uit wat wetenskaplikes weet. Dit is 'n raaiskoot: die regte dier het dalk anders gelyk, en niemand weet wat sy regte kleure was nie.

Vir dino-kenners

Wetenskaplike naam: Kourisodon
Benoem deur: Nicholls and Meckert 20023
Groep: Mosasourusse
Familie / klade: Mosasauridae3
Klassifikasie: Mosasauroidea3
Ouderdom van die rotse: 86 tot 66 miljoen jaar (Santonian / Maastrichtian)3
Rotsformasies: Pender, Hiketa, Mutsuo3
Lande: Japan, Kanada3
Fossielrekords: 3 in The Paleobiology Database3
Ontdekking: 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
Steeds omstrede: Scientists are not sure if the Japanese fossils belong to a second, unnamed species of Kourisodon, because they have slightly different teeth.1

Waar die feite vandaan kom

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): ouderdom, plekke, rotsformasies, klassifikasie.

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