Dino kad No. 1137 wɔ 2 027 mu

Marambionectes

Din no ase: “Marambio Island swimmer”1

Ɔdii: NamPlesiosɔɔKretasias AwieeɛNyansahu mu deɛ, ɔnyɛ dinosɔɔ

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

Asɛm a ɛyɛ anigye: ɛpo mu aboa a ɔwea yi guaree berɛ a dinosɔɔ nantew asase so. Obiara frɛ wɔn dino, nanso na wɔyɛ mmoa a wɔwea abusua foforɔ.

Ɔtenaa ase

mfeɛ ɔpepem 72 kɔsi 66 a atwam3

Kretasias Awieeɛ

Wɔhunuu fɔsil wɔ

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

Ntɛmntɛm a ɛsen biara

bɛyɛ 27 km/h (17 mph)

Nsuguareɛ, nsusuiɛ

Berɛ bɛn na ɛtenaa ase?

Triasik

Jurasik

Kretasias

mfeɛ ɔpepem 252 a atwam20114566, ɔsoro ɛboɔ no

Na ɛyɛ ntɛm sɛn?

Onipa a ɔnante bɛyɛ 5 km/h (3 mph)

Abofra a ɔte sakre so bɛyɛ 12 km/h (7 mph)

Marambionectes bɛyɛ 27 km/h (17 mph)

Ɔpɔnkɔ a ɔretu mmirika bɛyɛ 65 km/h (40 mph)

Kyiita bɛyɛ 100 km/h (62 mph)

nneɛma a ɛyɛ fɛ

Nsɛm a ɛyɛ anigye

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

Yei yɛ Marambionectes mfonini a AI yɛeɛ, sɛdeɛ ebia na ɔteɛ. Kɔmputa na ɛyɛeɛ firi deɛ nyansahufoɔ nim mu. Ɛyɛ nsusuiɛ: ebia na aboa ankasa no nte saa, na obiara nnim ne kɔla ankasa.

Atosɛm sɛefoɔ

Atosɛm: Some people think all plesiosaurs were dinosaurs.

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

Ma dino ho animdefoɔ

Nyansahu din: Marambionectes
Obi a ɔtoo din: O’Gorman et al. 20243
Kuo: Plesiosɔɔ
Abusua / kuo kɛseɛ: Elasmosauridae3
Nkyekyɛmu: Plesiosauria > Elasmosauridae > Sauropterygia3
Abotan no mfeɛ: mfeɛ ɔpepem 72 kɔsi 66 (Maastrichtian)3
Abotan nhyehyɛeɛ: López de Bertodano3
Aman: Antaatika3
Fɔsil nkyerɛwee: 1 wɔ The Paleobiology Database mu3
Nhunumu: The fossil was found in 2018 on Marambio Island, Antarctica, and was named by O'Gorman and colleagues in 2024.1 3
Wɔda so gye ho akyinnye: 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

Baabi a nsɛm no firi

Marambionectes (en.wikipedia.org)
Description: A new elasmosaurid (Plesiosauria :: NVK CVTI SR (ersearch2.cvtisr.sk)
Marambionectes in The Paleobiology Database (CC BY 4.0): mfeɛ, mmeaeɛ, abotan nhyehyɛeɛ, nkyekyɛmu.

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