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Khathunu ya Ectenosaurus
Karata ya dino No. 0563 mo go 2 027

Ectenosaurus

Leina le raya: “drawn-out lizard”1
E jele: NamaDimosasoroBofelo jwa CretaceousKa saense, ga se dinosoro

Ectenosaurus was a fast-swimming marine lizard that lived in the Late Cretaceous seas. It had a very long snout and a stiff body, so it moved by wagging its tail like a fish. This rare mosasaur was a top predator in the ancient ocean.13

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 90 go ya go 72 tse di fetileng3
Bofelo jwa Cretaceous
Difosili di fitlhetswe kwa
Kansas, Alabama, and Texas, USA13
Boleele
5 go ya go 6 m (16 go ya go 20 ft)1
Bonako jo bogolo
e ka nna 38 km/h (24 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?

Ectenosaurus e ka nna 6 m boleele (20 ft)Baesekele ya motho yo mogolo e ka nna 1.8 m (5.9 ft)Koloi e ka nna 4.5 m (15 ft)Tlou, phologolo e kgolo go gaisa tsotlhe mo lefatsheng gompieno e ka nna 6.5 m (21 ft)
telele jaaka dintšwa di le 6 go tswa kwa nkong go ya kwa mogatlengtelele jaaka dibanana di le 33 di latelanae ne e ka thuma boleele jwa letamo le legolo la go thuma (50 m) mo metsotswaneng e le 4.7

Ectenosaurus 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

Ectenosaurus had tiny scales, only 2.7 by 2.0 millimetres, which were smaller than those of other mosasaurs of similar size.1

2

Its body was stiff in the front, so it could not slither like a snake. Instead, it used its tail fin to push through the water.1

3

Scientists have found skin impressions from Ectenosaurus that show a complex mesh of fibers, helping them understand how it swam.1

4

Ectenosaurus is one of the rarest mosasaurs, but it had at least four different species.2

5

Stable isotope studies suggest that Ectenosaurus lived in open ocean waters, not just near the shore.1

6

The first Ectenosaurus fossil was originally thought to be a species of Platecarpus, but later scientists gave it its own genus.1

E dirilwe ke AISetshwantsho sa Ectenosaurus se se dirilweng ke AI
Setshwantsho se se dirilweng ke AI sa kafa Ectenosaurus 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: Some people think mosasaurs like Ectenosaurus swam by wiggling their whole body like a snake.

Boammaaruri: Actually, Ectenosaurus had a stiff front body and used only its tail for swimming, much like modern whales.1

Ya baitseanape ba didino

Leina la saense
Ectenosaurus
Leina le neilwe ke
Russell 19673
Setlhopha
Dimosasoro
Lelapa / clade
Mosasauridae3
Thulaganyo
Mosasauroidea3
Bogolo jwa matlapa
90 go ya go 72 dimilione tsa dingwaga (Coniacian / Campanian)3
Dibopego tsa matlapa
Niobrara, Pen, Mooreville Chalk3
Dinaga
Amerika3
Direkoto tsa difosili
5 mo The Paleobiology Database3
Go fitlhelwa
The first fossil was found in Logan County, Kansas, and was named Platecarpus clidastoides by John C. Merriam in 1894. Dale Russell renamed it Ectenosaurus in 1967.1
Go sa ntse go ganetsanwa
Scientists are not sure whether Ectenosaurus belongs in the subfamily Plioplatecarpinae or is more closely related to mosasaurines like Prognathodon.1

Kwa dintlha di tswang teng

  1. Ectenosaurus (en.wikipedia.org)
  2. Two new plioplatecarpine mosasaurs (Mosasauridae; Plioplatecarpinae) of the genus Ectenosaurus from the Upper Cretaceous of North America (escholarship.org)
  3. Ectenosaurus 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: Dimosasoro

MosasaurusDimosasoroPrognathodonDimosasoroTylosaurusDimosasoroPlatecarpusDimosasoroClidastesDimosasoroGlobidensDimosasoro

Le tsona ke tsa nako e le nngwe: Bofelo jwa Cretaceous

TyrannosaurusDitiranosoroTriceratopsDidino tse di nang le dinakaVelociraptorDiraptoroSpinosaurusDispinosoroAnkylosaurusDidino tse di nang le thebeParasaurolophusMelomo-pidipidi
Fepa Rexnkgwana ya dikabo ya batho ba bagolo