Kadhi redhino nhamba 1862 kubva pa 2 027

Unktaheela

Zita rinoreva: “from the Lakota word for a mythical water creature”1

Raidya: NyamaMapresiosauroCretaceous YekupedzisiraHarisi dhinosori chaizvo

Unktaheela was a small, fast-swimming marine reptile that lived in the sea that once covered North America. It had a short neck, a big head with a long snout, and four flippers that worked like paddles. It was one of the smallest plesiosaurs ever found.2

Chokwadi chinonakidza: chinokambaira ichi chemugungwa chaishambira madhinosori achifamba panyika. Munhu wese anozviti madhino, asi zvaiva bazi rakasiyana rezvinokambaira.

Raivapo

makore mamiriyoni 84 kusvika 72 apfuura3

Cretaceous Yekupedzisira

Mafosiri akawanikwa:

Wyoming and South Dakota, USA3 1

Kureba

2.3 kusvika 2.6 m (7.5 kusvika 8.5 ft)2

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?

kureba seimbwa 2.5 kubva pamhino kusvika kumuswekureba semabhanana 14 akatevedzanaraigona kushambira kureba kwedziva guru rekushambira (50 m) mumasekonzi 6.7

Unktaheela raiva hombe sei kana richienzaniswa NEWE?

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

Raimhanya zvakadii?

Munhu achifamba kunenge 5 km/h (3 mph)

Mwana ari pabhasikoro kunenge 12 km/h (7 mph)

Unktaheela kunenge 27 km/h (17 mph)

Bhiza richimhanya kunenge 65 km/h (40 mph)

Dindingwe kunenge 100 km/h (62 mph)

zvinhu zvinonakidza

Zvinonakidza

Unktaheela is the smallest known adult polycotylid plesiosaur, measuring only about 2.3 to 2.6 metres long.2

It had bony ledges over its large eyes that may have shaded them from sunlight, like built-in sunglasses.2

Its skull was wide at the back and short behind the eyes, which helped it spot and catch prey.2

Unktaheela lived about 80 million years ago in the Western Interior Seaway, a shallow sea that split North America in two.2

Scientists think Unktaheela was a visual pursuit predator, meaning it chased its food using its sharp eyesight.2

The first fossil of Unktaheela was found in 1975 near Redbird, Wyoming, but it was not named until 2024.1 2

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

Zvevanyanzvi vemadhino

Zita resainzi: Unktaheela
Akaripa zita:: Clark et al. 20243
Boka: Mapresiosauro
Mhuri / boka: Polycotylidae3
Kurongwa kwemhuka: Plesiosauria > Sauropterygia3
Zera rematombo: makore mamiriyoni 84 kusvika 72 (Campanian)3
Mapoka ematombo: Sharon Springs3
Nyika: Amerika3
Zvinyorwa zvemafosiri: 2 mu The Paleobiology Database3
Kuwanikwa: Unktaheela was named in 2024 by Robert O. Clark, F. Robin O'Keefe, and Sara E. Slack based on two fossils from Wyoming and South Dakota.3 1
Zvichiri kupokanwa: Scientists are still debating exactly how Unktaheela used its unusual eye ledges and wide skull to hunt.2

Kunobva chokwadi

Unktaheela (en.wikipedia.org)
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)
Unktaheela in The Paleobiology Database (CC BY 4.0): zera, nzvimbo, mapoka ematombo, kurongwa kwemhuka.

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