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Chithunzi choseketsa cha Polycotylus
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Polycotylus

Dzina limatanthauza: “much-cupped vertebrae”1
Ankadya: NyamaMaplesiosauriKumapeto kwa Jurasiki mpaka Kumapeto kwa KretaseKwenikweni si dainoso

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

Mfundo yosangalatsa: chokwawa cha m'nyanja ichi chinkasambira pamene madainoso ankayenda pamtunda. Aliyense amazitcha madino, koma zinali nthambi ina ya zokwawa.
Ankakhala
zaka 152 mpaka 72 miliyoni zapitazo3
Kumapeto kwa Jurasiki mpaka Kumapeto kwa Kretase
Mafosili apezeka ku
Kansas, South Dakota, Alabama, and Wyoming in the USA; also France and Russia12
Utali
4.7 mpaka 5.4 m (15 mpaka 18 ft)1
Kulemera
matani 1 (2,200 lb)1
Liwiro lalikulu kwambiri
pafupifupi 27 km/h (17 mph)
Kusambira, kuyerekeza

Ankakhala liti?

Triasiki
Jurasiki
Kretase
Zaka 252 miliyoni zapitazo20114566, asteroidi

Anali wamkulu bwanji?

Anali wautali bwanji?

Polycotylus utali wa pafupifupi 5.4 m (18 ft)Njinga ya munthu wamkulu pafupifupi 1.8 m (5.9 ft)Galimoto pafupifupi 4.5 m (15 ft)Njovu, nyama yaikulu kwambiri pamtunda masiku ano pafupifupi 6.5 m (21 ft)

Ankalemera bwanji?

wolemera ngati agalu 50
wautali ngati agalu 5 otsatizana mphuno ndi mchirawautali ngati nthochi 30 zotsatizanawolemera ngati mavwende 200wolemera ngati ana a sukulu ya mkaka 53wolemera ngati ana a sukulu 31wolemera ngati zimbalangondo zoyera 2akanatha kusambira utali wa dziwe lalikulu losambira (50 m) m'masekondi 6.7

Polycotylus anali wamkulu bwanji poyerekeza ndi IWEYO?

Ndi masamu chabe mu msakatuli wako. Palibe chimene chimasungidwa kapena kutumizidwa kwina kulikonse.

Anali ndi liwiro lotani?

zinthu zosangalatsa

Mfundo zosangalatsa

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

Chopangidwa ndi AIChithunzi cha Polycotylus chopangidwa ndi AI
Chithunzi cha momwe Polycotylus mwina ankaonekera, chopangidwa ndi kompyuta kuchokera pa zomwe asayansi amadziwa. Ndi kungoyerekeza: nyama yeniyeniyo mwina inkaoneka mosiyana, ndipo palibe amene akudziwa mitundu yake yeniyeni.
mwafunsa

Mafunso ofunsidwa kwambiri okhudza 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

Wothetsa nthano zabodza

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

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

Kwa akatswiri a madino

Dzina la sayansi
Polycotylus
Anapatsidwa dzina ndi
Cope 18693
Gulu
Maplesiosauri
Banja / kladi
Polycotylidae3
Magawidwe a sayansi
Plesiosauria > Sauropterygia3
Zaka za miyala
zaka 152 mpaka 72 miliyoni (Kimmeridgian / Campanian)3
Mapangidwe a miyala
Niobrara, Frontier, Mooreville Chalk3
Mayiko
Amereka, Falansa, Rasha3
Zolemba za mafosili
10 mu The Paleobiology Database3
Kupezeka
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
Akukambiranabe
Scientists are not sure exactly how many species of Polycotylus existed, and some species may be the same as others.1

Kumene mfundo zimachokera

  1. Polycotylus (en.wikipedia.org)
  2. PBDB Taxon (paleobiodb.org)
  3. Polycotylus in The Paleobiology Database (CC BY 4.0): zaka, malo, mapangidwe a miyala, magawidwe a sayansi.

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Ena a gulu lomweli: Maplesiosauri

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Enanso a nthawi yomweyo: Kumayambiriro kwa Kretase

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Dyetsa Rexbokosi la mphatso la akuluakulu