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Marambionectes

Zita rinoreva: “Marambio Island swimmer”1

Raidya: NyamaMapresiosauroCretaceous YekupedzisiraHarisi dhinosori chaizvo

Marambionectes was a long-necked marine reptile that swam in the seas near Antarctica about 70 million years ago. It was not a dinosaur, but a fierce hunter that used its flippers to glide through the water.1 3

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

Raivapo

makore mamiriyoni 72 kusvika 66 apfuura3

Cretaceous Yekupedzisira

Mafosiri akawanikwa:

Antarctica, on Marambio (Seymour) Island in the López de Bertodano Formation1 3

Kumhanya kwepamusoro

kunenge 27 km/h (17 mph)

Kushambira, fungidziro

Rairarama rini?

Triassic

Jurassic

Cretaceous

makore mamiriyoni 252 apfuura20114566, dombo guru rakabva mudenga

Raimhanya zvakadii?

Munhu achifamba kunenge 5 km/h (3 mph)

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

Marambionectes kunenge 27 km/h (17 mph)

Bhiza richimhanya kunenge 65 km/h (40 mph)

Dindingwe kunenge 100 km/h (62 mph)

zvinhu zvinonakidza

Zvinonakidza

Marambionectes had 48 neck vertebrae, and the 5th to 29th of these had special side keels, a feature not seen in other elasmosaurids.2

Its lower jaw had three tooth sockets at the front and a wide groove, which helped scientists link it to a group called aristonectines.2

The fossil skeleton was found in 2018 and includes parts of the skull, many vertebrae, ribs, and limb bones, all from an adult animal.1

Scientists think Marambionectes was closely related to the aristonectines, a group of elasmosaurids with short necks and big heads.1 2

The name honors Omar J. Molina, an Argentinian fossil preparator who worked in Antarctica.1

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

Mubvisi wengano

Ngano: Some people think all plesiosaurs were dinosaurs.

Chokwadi: Plesiosaurs like Marambionectes were marine reptiles, not dinosaurs. Dinosaurs lived on land and had different body features.1

Zvevanyanzvi vemadhino

Zita resainzi: Marambionectes
Akaripa zita:: O’Gorman et al. 20243
Boka: Mapresiosauro
Mhuri / boka: Elasmosauridae3
Kurongwa kwemhuka: Plesiosauria > Elasmosauridae > Sauropterygia3
Zera rematombo: makore mamiriyoni 72 kusvika 66 (Maastrichtian)3
Mapoka ematombo: López de Bertodano3
Nyika: Antakitika3
Zvinyorwa zvemafosiri: 1 mu The Paleobiology Database3
Kuwanikwa: The fossil was found in 2018 on Marambio Island, Antarctica, and was named by O'Gorman and colleagues in 2024.1 3
Zvichiri kupokanwa: Scientists are still debating exactly how Marambionectes is related to other elasmosaurids, especially whether it belongs inside or just outside the aristonectine group.1 2

Kunobva chokwadi

Marambionectes (en.wikipedia.org)
Description: A new elasmosaurid (Plesiosauria :: NVK CVTI SR (ersearch2.cvtisr.sk)
Marambionectes in The Paleobiology Database (CC BY 4.0): zera, nzvimbo, mapoka ematombo, kurongwa kwemhuka.

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