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Khathune ya Pachycostasaurus
Karete ya dinosaure No. 1341 ho tse 2 027

Pachycostasaurus

Lebitso le bolela: “thick-ribbed lizard”1
E jele: NamaDiplesiosaureJurasiki ya BoharengHa se dinosaure ho ya ka saense

Pachycostasaurus was a pliosaur, a kind of short-necked plesiosaur that lived in the sea. It had very thick, heavy ribs that made its body barrel-shaped, like a fat sausage. This marine reptile was not a fast swimmer, but it used its heavy bones to stay stable underwater.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 165 ho isa ho 162 tse fetileng2
Jurasiki ya Bohareng
Difosili di fumanwe ho
Peterborough, England12
Bolelele
3 m (9.8 ft)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?

Pachycostasaurus bolelele ba e ka bang 3 m (9.8 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 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 6.4

Pachycostasaurus 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

Pachycostasaurus had ribs and belly bones that were so thick they looked like sausages. This condition is called pachyostosis, and it also happens in modern dugongs and manatees.1

2

Its flippers were small compared to its body, and its neck was short. This made it a slow swimmer, unlike many other pliosaurs.1

3

The only known fossil of Pachycostasaurus was found by Alan Dawn, an amateur geologist and museum volunteer, in a quarry in Peterborough, England.1

4

Its head was about 20% of its total body length, which is typical for pliosaurs of its time.1

5

Pachycostasaurus lived about 165 to 161 million years ago, during the Middle Jurassic period.2

6

The bones of its backbone had a large canal for the spinal cord, and some parts were not fully hardened, suggesting the animal might not have been fully grown when it died.1

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

Mosenyi wa ditshomo

Tshomo: Pachycostasaurus was a fast, powerful predator like other pliosaurs.

Nnete: Its heavy ribs, small flippers, and short neck show it was a slow swimmer that probably stayed near the seafloor, hunting soft prey.1

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense
Pachycostasaurus
E rehilwe ke
Cruickshank et al. 19962
Sehlopha
Diplesiosaure
Lelapa / leloko
Pliosauridae2
Tlhophiso
Plesiosauria > Pliosauridae > Sauropterygia2
Dilemo tsa mafika
dilemo tse dimilione tse 165 ho isa ho 162 (Callovian)2
Dibopeho tsa mafika
Oxford Clay2
Dinaha
United Kingdom2
Direkoto tsa difosili
1 ho The Paleobiology Database2
Ho sibollwa
The fossil was discovered by amateur geologist Alan Dawn in a quarry near Peterborough, England. Scientists Arthur Cruickshank, David Martill and Leslie Noè described and named it in 1996.1
E sa ntse e phehwa kgang
Scientists are not sure whether Pachycostasaurus lived in freshwater rivers and estuaries and was washed into the sea, or if it lived in the deep ocean and drifted to shallow waters.1

Moo dintlha di tswang teng

  1. Pachycostasaurus (en.wikipedia.org)
  2. Pachycostasaurus in The Paleobiology Database (CC BY 4.0): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

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