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Khathune ya Argentinonectes
Karete ya dinosaure No. 0164 ho tse 2ย 027

Argentinonectes

Lebitso le bolela: “Lake Argentino swimmer”1
E jele: NamaDiplesiosaureKretase ya MoraoHa se dinosaure ho ya ka saense

Argentinonectes was a huge, long-necked marine reptile that swam in the seas near Antarctica 66 million years ago. It had four flipper-like legs and a stiff tail that may have had a fin on the end. This plesiosaur is the most complete one ever found in Argentina!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 72 ho isa ho 66 tse fetileng3
Kretase ya Morao
Difosili di fumanwe ho
Calafate Formation, Santa Cruz Province, Argentina12
Bolelele
7 ho isa ho 9 m (23 ho isa ho 30 ft)1
Lebelo le phahameng ka ho fetisisa
e ka bang 23 km/h (14 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?

Argentinonectes bolelele ba e ka bang 9 m (30 ft)Baesekele ya motho e moholo e ka bang 1.8 m (5.9 ft)Koloi e ka bang 4.5 m (15 ft)Tlou, phoofolo e kgolo ka ho fetisisa naheng kajeno e ka bang 6.5 m (21 ft)
telele jwaloka dikoloi tse 2 tse pakilweng ka molatelele jwaloka dibanana tse 50 di behilwe ka molae ne e ka sesa bolelele ba letamo le leholo la ho sesa (50 m) ka metsotswana e 7.8

Argentinonectes 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?

dintho tse monate

Dintlha tse monate

1

The fossil was found under 50 cm (20 inches) of water in Lake Argentino, making it tricky to dig out.1

2

Its rib cage and belly bones were very stiff, which helped it dive without its lungs collapsing.1

3

Shark teeth and scratches on its bones show that sharks ate the dead plesiosaur's body.1

4

The tail had eight tightly locked vertebrae at the tip, probably supporting a small tail fin.1

5

Its forelimbs were about 1.8 metres (5.9 feet) long, and the hindlimbs were a bit shorter at 1.3 metres (4.3 feet).1

6

The skeleton is missing the skull and most of the neck, possibly because they floated away after death.1

E entswe ke AISetshwantsho sa Argentinonectes se entsweng ke AI
Setshwantsho se entsweng ke AI, se bontshang kamoo Argentinonectes 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 Argentinonectes

?How big was Argentinonectes?

It was about 7 to 9 metres (23 to 30 feet) long. That is roughly as long as a school bus.1

?What did Argentinonectes eat?

Scientists do not know for sure because the skull is missing. But like other plesiosaurs, it probably ate fish and squid.1

?When did Argentinonectes live?

It lived at the very end of the Cretaceous Period, about 66 million years ago.1

?Is Argentinonectes a dinosaur?

No, it is a plesiosaur, a marine reptile that swam in the ocean. It is not a dinosaur.1

Mosenyi wa ditshomo

Tshomo: Some people think all plesiosaurs were slow and clumsy on land.

Nnete: Argentinonectes and other plesiosaurs were fully aquatic and never came onto land. They were fast swimmers in the ocean.1

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense
Argentinonectes
E rehilwe ke
Novas et al. 20263
Sehlopha
Diplesiosaure
Lelapa / leloko
Elasmosauridae3
Tlhophiso
Plesiosauria > Elasmosauridae > Sauropterygia3
Dilemo tsa mafika
dilemo tse dimilione tse 72 ho isa ho 66 (Maastrichtian)3
Dibopeho tsa mafika
Calafate3
Dinaha
Argentina3
Direkoto tsa difosili
1 ho The Paleobiology Database3
Ho sibollwa
The fossil was found in 2009 in Lake Argentino, Argentina, and was named Argentinonectes calafatensis by Fernando Novas and colleagues in 2026.1
E sa ntse e phehwa kgang
Scientists are not sure why the skull and neck are missing. They may have been eroded by waves or detached when the body bloated and floated.1

Moo dintlha di tswang teng

  1. Argentinonectes (en.wikipedia.org)
  2. PBDB Taxon (paleobiodb.org)
  3. Argentinonectes in The Paleobiology Database (CC BY 4.0): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

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