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Karata ya dino No. 1437 mo go 2 027

Placodus

Leina le raya: “plate tooth”1

E jele: NamaDigagabi tsa lewatleTshimologo ya Triassic go ya go Bofelo jwa TriassicKa saense, ga se dinosoro

Placodus was a marine reptile that lived about 240 million years ago, during the Middle Triassic. It had a stocky body, a long tail, and a heavy skull with flat teeth for crushing shellfish. It swam in shallow seas and probably spent most of its time on the seafloor looking for food.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 251 go ya go 227 tse di fetileng3

Tshimologo ya Triassic go ya go Bofelo jwa Triassic

Difosili di fitlhetswe kwa

Central Europe (Germany, France, Poland) and China1 3

Boleele

2.5 go ya go 3 m (8.2 go ya go 9.8 ft)1

Bonako jo bogolo

e ka nna 16 km/h (10 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 dintšwa di le 3 go tswa kwa nkong go ya kwa mogatlengtelele jaaka dibanana di le 17 di latelanae ne e ka thuma boleele jwa letamo le legolo la go thuma (50 m) mo metsotswaneng e le 11

Placodus 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)

Placodus e ka nna 16 km/h (10 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

Placodus had a rigid body because the bones in its spine were dovetailed together, making its trunk stiff.1

Its belly was covered with special armor made of bent, right-angled abdominal ribs, and it had a row of bony knobs above its backbone.1

Placodus was negatively buoyant, meaning it was heavy and could easily stay on the seafloor without floating up.1

Before scientists knew what Placodus looked like, its teeth were mistaken for fish teeth.1

Placodus was slow and clumsy on land because of its heavy body armor, so it probably only came ashore to lay eggs.1

Its short legs probably ended in webbed feet, and it used its flattened tail to push through the water.1

Setshwantsho sa Placodus se se dirilweng ke AI — Setshwantsho se se dirilweng ke AI sa kafa Placodus 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.

o botsitse

Dipotso tse di botswang thata ka ga Placodus

?How big was Placodus?

About 2.5 to 3 metres (8.2 to 9.8 ft) long.1

?What did Placodus eat?

Shellfish like bivalves, plus other hard-shelled prey such as molluscs, brachiopods and crustaceans. It used its chisel-like front teeth to pluck them from the sea floor and its broad, flat back teeth to crush their shells.1

?Was Placodus a dinosaur?

No, Placodus was a marine reptile called a placodont, not a dinosaur. It lived in the sea during the Triassic period.1 2

?Could Placodus swim?

Yes, it swam using its flattened tail and short legs that probably ended in webbed feet. It was not as good at swimming as later marine reptiles like plesiosaurs, but it was comfortable in the water.1

?Why did Placodus have a rigid body?

Its spine had dovetailed bones that locked together, making its trunk stiff. This helped it stay heavy on the sea floor so it could feed without floating up.1

?When did Placodus live?

About 240 million years ago, in the Middle Triassic period.1

Ya baitseanape ba didino

Leina la saense: Placodus
Leina le neilwe ke: Agassiz 18333
Setlhopha: Digagabi tsa lewatle
Lelapa / clade: Placodontidae3
Thulaganyo: Placodontia > Sauropterygia3
Bogolo jwa matlapa: 251 go ya go 227 dimilione tsa dingwaga ()3
Dibopego tsa matlapa: Jena, Wellenkalk, Vossenveld3
Dinaga: Jeremane, Iseraele, Poleke, Netherlands, Itali, Tšhaena3
Direkoto tsa difosili: 34 mo The Paleobiology Database3
E itsiwe gape e le: Anomosaurus, Crurosaurus (maina a bogologolo jaanong a balwa jaaka phologolo e le nngwe)3
Go fitlhelwa: Placodus was named by the Swiss naturalist Louis Agassiz in 1833. He originally thought the fossils were fish teeth.1 3

Kwa dintlha di tswang teng

Placodus (en.wikipedia.org)
Fossil Focus: Placodonts – PALAEONTOLOGY[online] (palaeontologyonline.com)
Placodus in The Paleobiology Database (CC BY 4.0): dingwaga, mafelo, dibopego tsa matlapa, thulaganyo.

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