Khadi la dino Na. 1137 mwa 2 027

Marambionectes

Dzina limatanthauza: “Marambio Island swimmer”1

Ankadya: NyamaMaplesiosauriKumapeto kwa KretaseKwenikweni si dainoso

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

Mfundo yosangalatsa: chokwawa cha m'nyanja ichi chinkasambira pamene madainoso ankayenda pamtunda. Aliyense amazitcha madino, koma zinali nthambi ina ya zokwawa.

Ankakhala

zaka 72 mpaka 66 miliyoni zapitazo3

Kumapeto kwa Kretase

Mafosili apezeka ku

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

Liwiro lalikulu kwambiri

pafupifupi 27 km/h (17 mph)

Kusambira, kuyerekeza

Ankakhala liti?

Triasiki

Jurasiki

Kretase

Zaka 252 miliyoni zapitazo20114566, asteroidi

Anali ndi liwiro lotani?

Munthu akuyenda pafupifupi 5 km/h (3 mph)

Mwana pa njinga pafupifupi 12 km/h (7 mph)

Marambionectes pafupifupi 27 km/h (17 mph)

Hatchi ikuthamanga pafupifupi 65 km/h (40 mph)

Kakwiyo pafupifupi 100 km/h (62 mph)

zinthu zosangalatsa

Mfundo zosangalatsa

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

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

Wothetsa nthano zabodza

Nthano: Some people think all plesiosaurs were dinosaurs.

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

Kwa akatswiri a madino

Dzina la sayansi: Marambionectes
Anapatsidwa dzina ndi: O’Gorman et al. 20243
Gulu: Maplesiosauri
Banja / kladi: Elasmosauridae3
Magawidwe a sayansi: Plesiosauria > Elasmosauridae > Sauropterygia3
Zaka za miyala: zaka 72 mpaka 66 miliyoni (Maastrichtian)3
Mapangidwe a miyala: López de Bertodano3
Mayiko: Antakitika3
Zolemba za mafosili: 1 mu The Paleobiology Database3
Kupezeka: The fossil was found in 2018 on Marambio Island, Antarctica, and was named by O'Gorman and colleagues in 2024.1 3
Akukambiranabe: 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

Kumene mfundo zimachokera

Marambionectes (en.wikipedia.org)
Description: A new elasmosaurid (Plesiosauria :: NVK CVTI SR (ersearch2.cvtisr.sk)
Marambionectes in The Paleobiology Database (CC BY 4.0): zaka, malo, mapangidwe a miyala, magawidwe a sayansi.

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