Leurospondylus

Leina le raya: “smooth vertebra”1

E jele: NamaDipleisiosoroBofelo jwa CretaceousKa saense, ga se dinosoro

Leurospondylus was a plesiosaur, a long-necked marine reptile that lived in the Late Cretaceous period. It swam in rivers and estuaries in what is now Alberta, Canada. Scientists think it may have spent its early life in brackish water.1

Ntlha e e monate: segagabi seno sa lewatle se ne se thuma fa dinosoro di ne di tsamaya mo lefatsheng. Mongwe le mongwe o di bitsa didino, mme e ne e le lekala le lengwe la digagabi.

E tshetse

dimilione tsa dingwaga di le 72 go ya go 66 tse di fetileng2

Bofelo jwa Cretaceous

Difosili di fitlhetswe kwa

Alberta, Canada (Horseshoe Canyon Formation, Red Deer River)1 2

Boleele

go fitlha go 2 m (6.6 ft)1

Bonako jo bogolo

e ka nna 27 km/h (17 mph)

Go thuma, kakanyo

E tshetse leng?

Triassic

Jurassic

Cretaceous

dimilione tsa dingwaga di le 252 tse di fetileng20114566, asteroiti

E ne e le kgolo go le kae?

E ne e le telele go le kae?

telele jaaka dikatse tsa mo gae di le 4 go tswa kwa nkong go ya kwa mogatlengtelele jaaka dibanana di le 11 di latelanae ne e ka thuma boleele jwa letamo le legolo la go thuma (50 m) mo metsotswaneng e le 6.7

Leurospondylus e ne e le kgolo go le kae fa e bapisiwa le WENA?

Ke dipalo fela mo sebatling sa gago. Ga go sepe se se bolokwang kgotsa se se romelwang gope.

E ne e le bonako go le kae?

Motho yo o tsamayang e ka nna 5 km/h (3 mph)

Ngwana mo baesekeleng e ka nna 12 km/h (7 mph)

Leurospondylus e ka nna 27 km/h (17 mph)

Pitse e e sianang ka bonako e ka nna 65 km/h (40 mph)

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

dilo tse di monate

Dintlha tse di monate

The only known fossil of Leurospondylus is a juvenile that was about 2 meters long. Adults may have been much larger.1

Its name means 'smooth vertebra' because its backbone bones were flat and wider than they were long.1

Leurospondylus lived in brackish water (a mix of fresh and salt water) in rivers and estuaries. This is unusual because most plesiosaurs lived in the open ocean.1

When it was first described in 1913, Leurospondylus was thought to be the last known plesiosaur fossil. Its species name 'ultimus' means 'last' in Latin.1

Scientists are not sure which family Leurospondylus belongs to. Its vertebrae look like those of pliosaurs, but its shoulder and hip bones resemble those of elasmosaurids.1

The fossil was found on the east bank of the Red Deer River in Alberta, Canada, in rocks that are about 72 to 66 million years old.2 1

Setshwantsho sa Leurospondylus se se dirilweng ke AI — Setshwantsho se se dirilweng ke AI sa kafa Leurospondylus e ka tswang e ne e lebega ka gone, se dirilwe ke khomputara go ya ka se borasaense ba se itseng. Ke kakanyo fela: phologolo ya nnete e ka tswa e ne e lebega ka tsela e sele, mme ga go ope yo o itseng mebala ya yona ya nnete.

Mothubi wa ditlhamane

Tlhamane: Leurospondylus was a dinosaur.

Boammaaruri: Leurospondylus was a plesiosaur, a marine reptile that lived in the sea and rivers. Plesiosaurs are not dinosaurs.1

Ya baitseanape ba didino

Leina la saense: Leurospondylus
Leina le neilwe ke: Brown 19132
Setlhopha: Dipleisiosoro
Lelapa / clade: Elasmosauridae2
Thulaganyo: Plesiosauria > Elasmosauridae > Sauropterygia2
Bogolo jwa matlapa: 72 go ya go 66 dimilione tsa dingwaga (Maastrichtian)2
Dibopego tsa matlapa: Horseshoe Canyon2
Dinaga: Khanata2
Direkoto tsa difosili: 1 mo The Paleobiology Database2
Go fitlhelwa: Leurospondylus was named by Barnum Brown in 1913 based on a juvenile fossil found in the Horseshoe Canyon Formation of Alberta, Canada.1 2
Go sa ntse go ganetsanwa: Scientists still debate whether Leurospondylus belongs to the family Elasmosauridae or to a different group, because its bones show a mix of features.1

Kwa dintlha di tswang teng

Leurospondylus (en.wikipedia.org)
Leurospondylus in The Paleobiology Database (CC BY 4.0): dingwaga, mafelo, dibopego tsa matlapa, thulaganyo.

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