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Khathunu ya Martinectes
Karata ya dino No. 1144 mo go 2 027

Martinectes

Leina le raya: “Martin's swimmer”1
E jele: NamaDipleisiosoroBofelo jwa CretaceousKa saense, ga se dinosoro

Martinectes was a small, fast-swimming marine reptile that lived in the shallow seas of North America during the time of the dinosaurs. It had a short neck, a long snout, and four big flippers that helped it chase after fish and squid.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 84 go ya go 72 tse di fetileng3
Bofelo jwa Cretaceous
Difosili di fitlhetswe kwa
South Dakota, Texas, and Wyoming, USA3
Boleele
2.3 go ya go 2.6 m (7.5 go ya go 8.5 ft)1
Bokete
ditone di le 1.27 (2,800 lb)2
Bonako jo bogolo
e ka nna 26 km/h (16 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?

Martinectes e ka nna 2.6 m boleele (8.5 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)

E ne e le bokete go le kae?

bokete jaaka dintšwa di le 64
telele jaaka dintšwa di le 2.5 go tswa kwa nkong go ya kwa mogatlengtelele jaaka dibanana di le 14 di latelanabokete jaaka magapu a le 250bokete jaaka bana ba kreše ba le 67bokete jaaka bana ba sekolo ba le 40bokete jaaka dibere tse ditshweu di le 3e ne e ka thuma boleele jwa letamo le legolo la go thuma (50 m) mo metsotswaneng e le 6.9

Martinectes 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

Martinectes was one of the smallest adult polycotylid plesiosaurs ever found, measuring only about 2.3 to 2.6 metres long.1

2

It had large eyes with a bony ledge above them, which may have shaded its eyes from sunlight while hunting near the water's surface.1

3

Martinectes lived about 80 million years ago in the Western Interior Seaway, a huge ocean that split North America in two.1

4

Its name means 'Martin's swimmer', honoring the person who helped discover its fossils.1

5

Martinectes was originally thought to be a species of Dolichorhynchops, but scientists gave it its own genus in 2024.1

6

It had unusually wide bones in its spine and a very short back part of its skull, which helped scientists tell it apart from other plesiosaurs.1

E dirilwe ke AISetshwantsho sa Martinectes se se dirilweng ke AI
Setshwantsho se se dirilweng ke AI sa kafa Martinectes 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 Martinectes

?How big was Martinectes?

Martinectes was a large polycotylid plesiosaur, measuring at least around 5 metres (16 ft) long. Some estimates suggest it could reach up to 6 to 7 metres (20 to 23 ft), while a 2026 estimate put it at about 4.95 metres (16.2 ft) long.2

?Was Martinectes a dinosaur?

No, Martinectes was a plesiosaur, a marine reptile that lived in the seas during the time of the dinosaurs. It was not a dinosaur.2

?What did Martinectes eat?

Martinectes likely chased after fish and squid, using its long snout and four big flippers to swim fast. Its small teeth and narrow jaws suggest it ate small, slippery prey.2

Ya baitseanape ba didino

Leina la saense
Martinectes
Leina le neilwe ke
Clark et al. 20243
Setlhopha
Dipleisiosoro
Lelapa / clade
Polycotylidae3
Thulaganyo
Plesiosauria > Sauropterygia3
Bogolo jwa matlapa
84 go ya go 72 dimilione tsa dingwaga (Campanian)3
Dibopego tsa matlapa
Pierre Shale, Taylor Marl3
Dinaga
Amerika3
Direkoto tsa difosili
3 mo The Paleobiology Database3
Go fitlhelwa
Martinectes was named in 2024 by Robert O. Clark, F. Robin O'Keefe, and Sara E. Slack. They studied fossils that had been found in Wyoming and South Dakota, USA, and realized they belonged to a new genus.31
Go sa ntse go ganetsanwa
Scientists are still debating exactly how Martinectes used its unusual eye ledges and wide skull for hunting.1

Kwa dintlha di tswang teng

  1. A new genus of small polycotylid plesiosaur from the Upper Cretaceous of the Western Interior Seaway and a clarification of the genus Dolichorhynchops (sciencedirect.com)
  2. Martinectes (en.wikipedia.org)
  3. Martinectes 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: Dipleisiosoro

ElasmosaurusDipleisiosoroPliosaurusDipleisiosoroPlesiosaurusDipleisiosoroCimoliasaurusDipleisiosoroColymbosaurusDipleisiosoroTrinacromerumDipleisiosoro

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