Nichollssaura

Lebitso le bolela: “Nicholls' lizard”1

E jele: NamaDiplesiosaureKretase ya PeleHa se dinosaure ho ya ka saense

Nichollssaura was a small, fast-swimming marine reptile that lived in the ancient seas of North America. It had a long neck, four flippers, and a mouth full of sharp teeth for catching fish.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 113 ho isa ho 100 tse fetileng2

Kretase ya Pele

Difosili di fumanwe ho

Alberta, Canada1 2

Bolelele

2.6 ho isa ho 2.9 m (8.5 ho isa ho 9.5 ft)1

Boima

135 kg (298 lb)1

Lebelo le phahameng ka ho fetisisa

e ka bang 28 km/h (17 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 7

telele jwaloka dintja tse 3 ho tloha nkong ho isa mohatlengtelele jwaloka dibanana tse 16 di behilwe ka molaboima jwaloka mahapu a 27boima jwaloka bana ba kereshe ba 7boima jwaloka bana ba sekolo ba 4e ne e ka sesa bolelele ba letamo le leholo la ho sesa (50 m) ka metsotswana e 6.4

Nichollssaura 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)

Nichollssaura e ka bang 28 km/h (17 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

Nichollssaura fills a 40-million-year gap in the fossil record of North American plesiosaurs, meaning no plesiosaur fossils from that time were known before its discovery.1

The only known skeleton was accidentally discovered by a 100-ton electric shovel operator in an oilsand mine near Fort McMurray, Alberta, in 1994.1

The fossil is almost complete, missing only a few bones like the left forelimb and some ribs, which were lost when the shovel hit the skeleton.1

Inside the stomach of the Nichollssaura fossil, scientists found 165 gastroliths (stomach stones) made of chert and quartzite, which may have helped it digest food.1

The gastroliths in Nichollssaura are similar to those found in another plesiosaur from the same area, Wapuskanectes, suggesting both animals collected stones from the same ancient beaches.1

Nichollssaura was originally named Nichollsia borealis in 2008, but that name was already used for a type of isopod (a small crustacean), so it was changed to Nichollssaura in 2009.1 2

Setshwantsho sa Nichollssaura se entsweng ke AI — Setshwantsho se entsweng ke AI, se bontshang kamoo Nichollssaura 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: Nichollssaura
E rehilwe ke: Druckenmiller and Russell 20092
Sehlopha: Diplesiosaure
Lelapa / leloko: Leptocleididae2
Tlhophiso: Plesiosauria > Sauropterygia2
Dilemo tsa mafika: dilemo tse dimilione tse 113 ho isa ho 100 (Albian)2
Dibopeho tsa mafika: Clearwater2
Dinaha: Kanada2
Direkoto tsa difosili: 1 ho The Paleobiology Database2
Ho sibollwa: The fossil was discovered in 1994 by shovel operators Greg Fisher and Lorne Cundal in an oilsand mine near Fort McMurray, Alberta. It was named Nichollsia borealis in 2008 by Druckenmiller and Russell, but renamed Nichollssaura borealis in 2009 because the original name was already taken.1 2
E sa ntse e phehwa kgang: Scientists are not sure exactly where Nichollssaura collected its stomach stones, but they think it may have swum westward to gather rocks from the Cadomin Formation, which is 8 to 10 million years older than the plesiosaur itself.1

Moo dintlha di tswang teng

Nichollssaura (en.wikipedia.org)
Nichollssaura 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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