Carta da dino nr. 1565 da 2 027

Russellosaurus

Il num vul dir: “Russell's lizard, after paleontologist Dale Russell”1 2

Mangiava: CharnMosasaursCretacic tardivTecnicamain betg in dinosaur

Russellosaurus was an ancient marine lizard that swam in the warm seas of Texas about 92 million years ago. It was a fast hunter with a long, slender skull and lots of sharp teeth. Even though it looked a bit like a dinosaur, it was actually a mosasaur, a relative of today's monitor lizards!1 4

Fatg divertent: quest reptil da mar nudava, entant ch'ils dinosaurs chaminavan sin terra. Tuts als numnan dinos, ma els eran in'autra rama dals reptils.

Viveva

avant 94 fin 90 milliuns onns4

Cretacic tardiv

Fossils chattads en

Cedar Hill, Dallas County, Texas, USA4 1

Lunghezza

3 m (9,8 ft)3

Paisa

70 kg (154 lb)3

Spertadad maximala

var 35 km/h (22 mph)

Nudar, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant grond era el?

Quant lung era el?

Quant grev era el?

uschè grev sco 4 chauns

uschè lung sco 3 chauns dal nas a la cuauschè lung sco 17 bananas ina suenter l'autrauschè grev sco 14 melunasuschè grev sco 4 uffants da scolettauschè grev sco 2 scolarspudess nudar la lunghezza d'ina gronda piscina (50 m) en 5,1 secundas

Quant grond era Russellosaurus cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn arcunà u tramess.

Quant spert era el?

Ina persuna che va a pe var 5 km/h (3 mph)

In uffant sin il velo var 12 km/h (7 mph)

Russellosaurus var 35 km/h (22 mph)

In chaval che galoppescha var 65 km/h (40 mph)

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

Russellosaurus is the oldest well-preserved mosasaur skull ever found in North America, at about 92 million years old.1 2

The only known fossil is a nearly complete skull, found in 1992 by a fossil hunter named Mark Cohen at a housing construction site.1 2

This mosasaur was small and lightly built, with a narrow skull and 16 teeth on each side of its upper and lower jaws.2

The skull bones were not fully fused together, and the bone surface had lots of blood vessels, showing the animal was still growing fast when it died.1 2

Russellosaurus is the name-giver for a whole group of mosasaurs called Russellosaurina, which includes the famous Tylosaurus and Plioplatecarpus.1 2

It lived alongside another early mosasaur called Dallasaurus, which still had legs and could probably walk on land.2

Maletg da Russellosaurus fatg cun IA — In maletg fatg cun IA che mussa co Russellosaurus pudess avair guardà ora, fatg d'in computer tenor quai che la scienza sa. I sa tracta d'ina supposiziun: l'animal vair ha forsa guardà ora auter, e sias colurs vairas èn nunenconuschentas.

Per experts da dinos

Num scientific: Russellosaurus
Numnà da: Polcyn and Bell 20054
Gruppa: Mosasaurs
Famiglia / clada: Mosasauridae4
Classificaziun: Mosasauroidea4
Vegliadetgna da la crappa: 94 fin 90 milliuns onns (Turonian)4
Formaziuns da crap: Arcadia Park Shale4
Pajais: USA4
Chats da fossils: 1 en The Paleobiology Database4
Scuverta: Russellosaurus was named in 2005 by paleontologists Michael Polcyn and G.L. Bell. The skull was discovered in 1992 by Mark Cohen, a member of the Dallas Paleontological Society, at a housing construction site in Cedar Hill, Texas.1 2
Anc discutà: Scientists are not sure exactly how big Russellosaurus grew, because only its skull has been found and no body bones.2

Danunder che vegnan ils fatgs

Russellosaurus (en.wikipedia.org)
Russellosaurus coheni n. gen., n. sp., a 92 million-year-old mosasaur from Texas (USA), and the definition of the parafamily Russellosaurina (cambridge.org)
Russellosaurus (books.eshikshya.org)
Russellosaurus in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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