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Katuni: Polycotylus
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Polycotylus

Zita rinoreva: “much-cupped vertebrae”1
Raidya: NyamaMapresiosauroJurassic Yekupedzisira kusvika Cretaceous YekupedzisiraHarisi dhinosori chaizvo

Polycotylus was a short-necked plesiosaur that swam in the warm seas of North America and Europe during the Cretaceous. It had a big head, strong flippers, and gave birth to live babies in the water, just like whales do today.1

Chokwadi chinonakidza: chinokambaira ichi chemugungwa chaishambira madhinosori achifamba panyika. Munhu wese anozviti madhino, asi zvaiva bazi rakasiyana rezvinokambaira.
Raivapo
makore mamiriyoni 152 kusvika 72 apfuura3
Jurassic Yekupedzisira kusvika Cretaceous Yekupedzisira
Mafosiri akawanikwa:
Kansas, South Dakota, Alabama, and Wyoming in the USA; also France and Russia12
Kureba
4.7 kusvika 5.4 m (15 kusvika 18 ft)1
Huremu
matani 1 (2,200 lb)1
Kumhanya kwepamusoro
kunenge 27 km/h (17 mph)
Kushambira, fungidziro

Rairarama rini?

Triassic
Jurassic
Cretaceous
makore mamiriyoni 252 apfuura20114566, dombo guru rakabva mudenga

Raiva hombe sei?

Raiva refu zvakadii?

Polycotylus kureba kunenge 5.4 m (18 ft)Bhasikoro remunhu mukuru kunenge 1.8 m (5.9 ft)Motokari kunenge 4.5 m (15 ft)Nzou, mhuka hombe kupfuura dzose dzepanyika nhasi kunenge 6.5 m (21 ft)

Rairema zvakadii?

kurema seimbwa 50
kureba seimbwa 5 kubva pamhino kusvika kumuswekureba semabhanana 30 akatevedzanakurema semanwiwa 200kurema sevana vekireshi 53kurema sevana vechikoro 31kurema semabere echando 2raigona kushambira kureba kwedziva guru rekushambira (50 m) mumasekonzi 6.7

Polycotylus raiva hombe sei kana richienzaniswa NEWE?

Masvomhu chete mubrowser yako. Hapana chinochengetwa kana kutumirwa kupi zvako.

Raimhanya zvakadii?

zvinhu zvinonakidza

Zvinonakidza

1

Polycotylus was named by famous paleontologist Edward Drinker Cope in 1869 from fossils found in Kansas.1

2

A fossil of Polycotylus found in Kansas contains a single large fetus inside the mother, proving that these plesiosaurs gave live birth.1

3

The baby Polycotylus was about 1.5 metres (4.9 feet) long, which is about 32 percent of the mother's length.1

4

Polycotylus had a short neck and a long head, making it look a bit like a pliosaur, but it is actually a type of plesiosaur called a polycotylid.1

5

Its name means 'much-cupped vertebrae' because the bones in its spine have deep cup-like hollows.1

6

Polycotylus lived in the Western Interior Seaway, a shallow sea that split North America in two during the Cretaceous.1

7

Scientists think Polycotylus gave birth to just one large baby at a time, a strategy called K-selection.1

Zvakagadzirwa neAIMufananidzo wakagadzirwa neAI: Polycotylus
Mufananidzo wakagadzirwa neAI unoratidza kuti Polycotylus ringangodai raitaridzika sei, wakagadzirwa nekombiyuta kubva pane zvinozivikanwa nemasayendisiti. Ifungidziro chete: mhuka chaiyo ingangodai yaitaridzika zvakasiyana, uye hapana anoziva mavara ayo chaiwo.
wakabvunza

Mibvunzo inonyanya kubvunzwa nezve Polycotylus

?How big was Polycotylus?

Polycotylus was a medium-sized plesiosaur, measuring about 4.7 to 5.4 metres (15 to 18 feet) long and weighing over 1 metric ton (1.1 short tons).1

?Did Polycotylus have a short neck?

Yes, Polycotylus had a short neck and a long head, unlike the long-necked plesiosaurs like Elasmosaurus.1

?What did Polycotylus eat?

Polycotylus had thick teeth with striations on their surfaces, which suggests it ate fish and other marine animals, but the sources do not give a specific diet.1

?When did Polycotylus live?

Polycotylus lived toward the end of the Cretaceous period, about 84 to 66 million years ago.1

Mubvisi wengano

Ngano: Many people think all plesiosaurs had long necks like the Loch Ness Monster.

Chokwadi: Polycotylus had a short neck and a large head, very different from long-necked plesiosaurs like Elasmosaurus.1

Zvevanyanzvi vemadhino

Zita resainzi
Polycotylus
Akaripa zita:
Cope 18693
Boka
Mapresiosauro
Mhuri / boka
Polycotylidae3
Kurongwa kwemhuka
Plesiosauria > Sauropterygia3
Zera rematombo
makore mamiriyoni 152 kusvika 72 (Kimmeridgian / Campanian)3
Mapoka ematombo
Niobrara, Frontier, Mooreville Chalk3
Nyika
Amerika, France, Russia3
Zvinyorwa zvemafosiri
10 mu The Paleobiology Database3
Kuwanikwa
Edward Drinker Cope named Polycotylus in 1869 from fragmentary bones found in the Niobrara Formation of Kansas. A nearly complete skeleton was later found in Alabama in 1949 but not described until 2002.1
Zvichiri kupokanwa
Scientists are not sure exactly how many species of Polycotylus existed, and some species may be the same as others.1

Kunobva chokwadi

  1. Polycotylus (en.wikipedia.org)
  2. PBDB Taxon (paleobiodb.org)
  3. Polycotylus in The Paleobiology Database (CC BY 4.0): zera, nzvimbo, mapoka ematombo, kurongwa kwemhuka.

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Mamwe kubva muboka rimwe chete: Mapresiosauro

ElasmosaurusMapresiosauroPliosaurusMapresiosauroPlesiosaurusMapresiosauroCimoliasaurusMapresiosauroColymbosaurusMapresiosauroTrinacromerumMapresiosauro

Zvimwe zvenguva imwe chete: Cretaceous Yekutanga

StegosaurusMadhino ane mahwendefaIguanodonVanodya miriwo vane miromoArchaeopteryxShiri dzekutangaGiganotosaurusMadhino anodya nyamaMicroraptorMaraputaDeinonychusMaraputa
Fudza Rexchirongo chezvipo chevakuru