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Khathunu ya Pararcus
Karata ya dino No. 1379 mo go 2 027

Pararcus

Leina le raya: “pair arch”1
E jele: DitlhapiDigagabi tsa lewatleBogare jwa TriassicKa saense, ga se dinosoro

Pararcus was a marine reptile that lived in the shallow seas of the Netherlands about 245 million years ago. It had a flat body and strong, paddle-like limbs for swimming. Unlike many other placodonts, it did not have a heavy shell on its back.12

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 247 go ya go 241 tse di fetileng2
Bogare jwa Triassic
Difosili di fitlhetswe kwa
Winterswijk quarry, the Netherlands21
Boleele
1.35 m (4.4 ft)1
Bonako jo bogolo
e ka nna 11 km/h (7 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?

Pararcus e ka nna 1.35 m boleele (4.4 ft)Katse ya mo gae e ka nna 0.5 m (1.6 ft)Ntšwa e ka nna 1 m (3.3 ft)Baesekele ya motho yo mogolo e ka nna 1.8 m (5.9 ft)
telele jaaka dikatse tsa mo gae di le 2.5 go tswa kwa nkong go ya kwa mogatlengtelele jaaka dibanana di le 8 di latelanae ne e ka thuma boleele jwa letamo le legolo la go thuma (50 m) mo metsotswaneng e le 16

Pararcus 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?

dilo tse di monate

Dintlha tse di monate

1

Pararcus had a special backbone where the neural arches (the parts that protect the spinal cord) were not fused together, even in adults. This is called paedomorphosis and is common in animals that live in the sea.1

2

Its hip bones (pubis and ischium) were flat and plate-like, which helped it swim efficiently.1

3

The only known fossil of Pararcus was found by a fossil collector named Gerben Diepenbroek, and the species is named after him.1

4

Pararcus lived during the Middle Triassic period, about 247 to 241 million years ago, when the Netherlands was covered by a shallow sea.2

5

Unlike some other placodonts that had heavy armour plates, Pararcus only had a few small, unfused armour plates scattered in its skin.1

6

The vertebrae of Pararcus were deeply hollowed out on both ends (amphicoelous) and still had a notochord, a flexible rod that runs through the spine.1

E dirilwe ke AISetshwantsho sa Pararcus se se dirilweng ke AI
Setshwantsho se se dirilweng ke AI sa kafa Pararcus 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.

Ya baitseanape ba didino

Leina la saense
Pararcus
Leina le neilwe ke
Klein and Scheyer 20142
Setlhopha
Digagabi tsa lewatle
Lelapa / clade
Placodontia2
Thulaganyo
Placodontia > Sauropterygia2
Bogolo jwa matlapa
247 go ya go 241 dimilione tsa dingwaga ()2
Dibopego tsa matlapa
Vossenveld2
Dinaga
Netherlands2
Direkoto tsa difosili
1 mo The Paleobiology Database2
Go fitlhelwa
Pararcus was named in 2014 by Nicole Klein and Torsten Scheyer. The only fossil was found by Gerben Diepenbroek in a quarry near Winterswijk, the Netherlands.21
Go sa ntse go ganetsanwa
Scientists are not sure exactly how Pararcus swam. Its flexible backbone and flat hip bones suggest it might have moved differently from other placodonts.1

Kwa dintlha di tswang teng

  1. Klein_20120147.indd (zora.uzh.ch)
  2. Pararcus in The Paleobiology Database (CC BY 4.0): dingwaga, mafelo, dibopego tsa matlapa, thulaganyo.

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Tse dingwe tsa setlhopha se le sengwe: Digagabi tsa lewatle

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Le tsona ke tsa nako e le nngwe: Bogare jwa Triassic

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