Kartu dino No. 1137 ci 2 027

Marambionectes

Tur bi mooy: “Marambio Island swimmer”1

Lekkoon: YàppPlesiyosoor yiKretase bu mujjCi xam-xam, du dinosoor

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

Xibaar bu neex: reptil bu géej bii dafa daan féey ci jamono yi dinosoor yi daan dox ci suuf. Ñépp dañu leen di wooye dino, waaye beneen caru reptil lañu woon.

Dundoon

am na 72 ba 66 milyoŋ at3

Kretase bu mujj

Fosil yu ñu gis ci

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

Gaawaay bi gën a kawe

lu tollu ci 27 km/h (17 mph)

Féey, jortu

Kañ la dundoon?

Triyaas

Jurasik

Kretase

Am na 252 milyoŋ at20114566, asteroyid bi

Naka la gaawoon?

Nit kuy dox lu tollu ci 5 km/h (3 mph)

Xale bu nekk ci welo lu tollu ci 12 km/h (7 mph)

Marambionectes lu tollu ci 27 km/h (17 mph)

Fas buy daw bu gaaw lu tollu ci 65 km/h (40 mph)

Segg bu gaaw lu tollu ci 100 km/h (62 mph)

yëf yu neex

Xibaar yu neex

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

Nataalu Marambionectes bu ñu def ak IA — Nataal bu IA def la, muy wone ni Marambionectes mën a meloon, ordinatëer moo ko def ci li boroom xam-xam yi xam. Jortu kese la: rab bi ci dëgg mën na meloon neneen, te kenn xamul ay kulëëram yu dëgg.

Ku tas léeb yu dul dëgg

Léeb: Some people think all plesiosaurs were dinosaurs.

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

Ngir ñi xam dino lool

Turu xam-xam: Marambionectes
Ku ko tudde: O’Gorman et al. 20243
Kurél: Plesiyosoor yi
Njaboot / klad: Elasmosauridae3
Klasifikasiyoŋ: Plesiosauria > Elasmosauridae > Sauropterygia3
Màggaayu doj yi: 72 ba 66 milyoŋ at (Maastrichtian)3
Formasiyoŋi doj: López de Bertodano3
Réew yi: Antarktik3
Fosil yu ñu gis: 1 ci The Paleobiology Database3
Gisees: The fossil was found in 2018 on Marambio Island, Antarctica, and was named by O'Gorman and colleagues in 2024.1 3
Ñu ngi koy werante ba tey: 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

Fa xibaar yi jóge

Marambionectes (en.wikipedia.org)
Description: A new elasmosaurid (Plesiosauria :: NVK CVTI SR (ersearch2.cvtisr.sk)
Marambionectes in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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