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Karete ya dinosaure No. 1552 ho tse 2 027

Rikisaurus

Lebitso le bolela: “Riki's lizard”3

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

Rikisaurus was a marine lizard that swam in the warm seas near New Zealand about 80 million years ago. It was a mosasaur, a relative of today's monitor lizards, but with flippers instead of legs. This predator hunted fish and other sea creatures with its long, pointed snout and many small teeth.3 1

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 84 ho isa ho 66 tse fetileng3

Kretase ya Morao

Difosili di fumanwe ho

Mangahouanga Stream, Hawke's Bay, North Island, New Zealand3 1

Bolelele

2 ho isa ho 3 m (6.6 ho isa ho 9.8 ft)1

Lebelo le phahameng ka ho fetisisa

e ka bang 33 km/h (21 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?

telele jwaloka dintja tse 3 ho tloha nkong ho isa mohatlengtelele jwaloka dibanana tse 17 di behilwe ka molae ne e ka sesa bolelele ba letamo le leholo la ho sesa (50 m) ka metsotswana e 5.5

Rikisaurus 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)

Rikisaurus e ka bang 33 km/h (21 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

Rikisaurus had a very long, slender snout that tapered to a point, and its upper jaw had 13 or 14 teeth on each side.1

Its teeth were small, with two ridges (bicarinate), and the enamel was smooth.1

The lower jaw had 15 or 16 teeth and deepened in the middle, giving it a semicircular bump (coronoid).1

Rikisaurus is known from only one fossil: a skull and four neck bones found in New Zealand.1

It lived between 83.6 and 66 million years ago, during the Campanian and Maastrichtian ages of the Late Cretaceous.1

Scientists think Rikisaurus was a small adult mosasaur, about the size of a modern dolphin.1

Setshwantsho sa Rikisaurus se entsweng ke AI — Setshwantsho se entsweng ke AI, se bontshang kamoo Rikisaurus 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.

o botsitse

Dipotso tse botswang haholo ka Rikisaurus

?Is Rikisaurus a dinosaur?

No, it is a mosasaur, a marine reptile related to today's monitor lizards, not a dinosaur.2 3

?How big was Rikisaurus?

It was a small adult mosasaur, about the size of a modern dolphin, though exact length is not given in the sources.3

?What did Rikisaurus eat?

It was a carnivore that hunted fish and other sea creatures with its long, pointed snout and many small teeth.3

?Where was Rikisaurus found?

Its only known fossil, a skull and four neck bones, was found in the Mangahouanga Stream in New Zealand.3

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense: Rikisaurus
E rehilwe ke: Wiffen 19903
Sehlopha: Dimosasaure
Lelapa / leloko: Mosasauridae3
Tlhophiso: Mosasauroidea3
Dilemo tsa mafika: dilemo tse dimilione tse 84 ho isa ho 66 (Campanian / Maastrichtian)3
Dibopeho tsa mafika: Tahora3
Dinaha: New Zealand3
Direkoto tsa difosili: 1 ho The Paleobiology Database3
Ho sibollwa: Rikisaurus was named by paleontologist J. Wiffen in 1990, based on a skull and neck bones found in the Tahora Formation of New Zealand.3 1
E sa ntse e phehwa kgang: Scientists are not sure exactly how big Rikisaurus grew, because only one skull has been found.1

Moo dintlha di tswang teng

PBDB Taxon (paleobiodb.org)
Moanasaurus (Wikipedia) (Wikipedia)
Rikisaurus in The Paleobiology Database (CC BY 4.0): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

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