Russellosaurus

Lebitso le bolela: “Russell's lizard, after paleontologist Dale Russell”1 2

E jele: NamaDimosasaureKretase ya MoraoHa se dinosaure ho ya ka saense

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

Ntlha e monate: sehahabi sena sa lewatle se ne se sesa ha didinosaure di ntse di tsamaya naheng. Bohle ba di bitsa didinosaure, empa e ne e le lekala le leng la dihahabi.

E phetse

dilemo tse dimilione tse 94 ho isa ho 90 tse fetileng4

Kretase ya Morao

Difosili di fumanwe ho

Cedar Hill, Dallas County, Texas, USA4 1

Bolelele

3 m (9.8 ft)3

Boima

70 kg (154 lb)3

Lebelo le phahameng ka ho fetisisa

e ka bang 35 km/h (22 mph)

Ho sesa, kakanyo

E phetse neng?

Triasiki

Jurasiki

Kretase

Dilemo tse dimilione tse 252 tse fetileng20114566, asteroiti

E ne e le kgolo hakae?

E ne e le telele hakae?

E ne e le boima hakae?

boima jwaloka dintja tse 4

telele jwaloka dintja tse 3 ho tloha nkong ho isa mohatlengtelele jwaloka dibanana tse 17 di behilwe ka molaboima jwaloka mahapu a 14boima jwaloka bana ba kereshe ba 4boima jwaloka bana ba sekolo ba 2e ne e ka sesa bolelele ba letamo le leholo la ho sesa (50 m) ka metsotswana e 5.1

Russellosaurus e ne e le kgolo hakae ha e bapiswa le WENA?

Ke dipalo feela ho browser ya hao. Ha ho letho le bolokwang kapa le romelwang kae kapa kae.

E ne e le lebelo hakae?

Motho ya tsamayang ka maoto e ka bang 5 km/h (3 mph)

Ngwana a palame baesekele e ka bang 12 km/h (7 mph)

Russellosaurus e ka bang 35 km/h (22 mph)

Pere e mathang ka matla e ka bang 65 km/h (40 mph)

Lengau e ka bang 100 km/h (62 mph)

dintho tse monate

Dintlha tse monate

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

Setshwantsho sa Russellosaurus se entsweng ke AI — Setshwantsho se entsweng ke AI, se bontshang kamoo Russellosaurus e ka beng e ne e shebahala kateng, se entswe ke khomphutha ho ya ka seo bo-ramahlale ba se tsebang. Ke ho hakanya feela: phoofolo ya nnete e ka nna ya ba e ne e shebahala ka tsela e nngwe, mme ha ho motho ya tsebang mebala ya yona ya nnete.

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense: Russellosaurus
E rehilwe ke: Polcyn and Bell 20054
Sehlopha: Dimosasaure
Lelapa / leloko: Mosasauridae4
Tlhophiso: Mosasauroidea4
Dilemo tsa mafika: dilemo tse dimilione tse 94 ho isa ho 90 (Turonian)4
Dibopeho tsa mafika: Arcadia Park Shale4
Dinaha: Amerika4
Direkoto tsa difosili: 1 ho The Paleobiology Database4
Ho sibollwa: 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
E sa ntse e phehwa kgang: Scientists are not sure exactly how big Russellosaurus grew, because only its skull has been found and no body bones.2

Moo dintlha di tswang teng

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): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

Ntlha e nngwe le e nngwe leqepheng lena e na le nomoro e supang mohlodi wa yona. Haeba re fositse ho hong, re kopa tshwarelo, re balatedi ba didinosaure, ha re koranta ya saense. Re bolelle ho [email protected] mme re tla e lokisa.

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