Carta da dino nr. 0574 da 2 027

Elasmosaurus

Il num vul dir: “thin-plate reptile”1

Mangiava: CharnPlesiosaursCretacic tardivTecnicamain betg in dinosaur

Elasmosaurus was a giant marine reptile with an incredibly long neck, longer than a school bus! It swam in the ancient sea that once covered the middle of North America, using its four flippers to paddle through the water.1

Fatg divertent: quest reptil da mar nudava, entant ch'ils dinosaurs chaminavan sin terra. Tuts als numnan dinos, ma els eran in'autra rama dals reptils.

Viveva

avant 94 fin 72 milliuns onns4

Cretacic tardiv

Fossils chattads en

Kansas and Wyoming, USA, and Hokkaido, Japan4 1

Lunghezza

10,3 m (34 ft)1

Spertadad maximala

var 22 km/h (14 mph)

Nudar, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant grond era el?

Quant lung era el?

uschè lung sco 2,5 autos parcads in suenter l'auteruschè lung sco 57 bananas ina suenter l'autrapudess nudar la lunghezza d'ina gronda piscina (50 m) en 8,2 secundas

Quant grond era Elasmosaurus cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn arcunà u tramess.

Quant spert era el?

Ina persuna che va a pe var 5 km/h (3 mph)

In uffant sin il velo var 12 km/h (7 mph)

Elasmosaurus var 22 km/h (14 mph)

In chaval che galoppescha var 65 km/h (40 mph)

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

Elasmosaurus had 72 bones in its neck, which was about 7.1 meters (23 feet) long, making it one of the longest-necked animals ever.1

The first Elasmosaurus fossil was found in 1867 near Fort Wallace, Kansas, by a military doctor named Theophilus Turner.1

The scientist who named Elasmosaurus, Edward Drinker Cope, made a famous mistake: he put the skull on the tail end of the skeleton!1

Elasmosaurus lived about 80.6 to 77 million years ago, during the Late Cretaceous Period, in a shallow sea called the Western Interior Seaway.1

Despite its long neck, Elasmosaurus could not lift its head high above the water like a swan; its neck was not very flexible.1

Elasmosaurus may have used stomach stones, called gastroliths, to help grind up food in its belly.1

The name Elasmosaurus means 'thin-plate reptile', referring to the flat bones in its chest and hips.1

Maletg da Elasmosaurus fatg cun IA — In maletg fatg cun IA che mussa co Elasmosaurus pudess avair guardà ora, fatg d'in computer tenor quai che la scienza sa. I sa tracta d'ina supposiziun: l'animal vair ha forsa guardà ora auter, e sias colurs vairas èn nunenconuschentas.

tias dumondas

Las dumondas las pli frequentas davart Elasmosaurus

?How big was Elasmosaurus?

Elasmosaurus was about 10.3 meters (34 feet) long, with its neck alone around 7.1 meters (23 feet). That is longer than a school bus.1

?What did Elasmosaurus eat?

Elasmosaurus probably ate small fish and marine invertebrates, seizing them with its long teeth. It may have used stomach stones to help digest its food.1 2

?Was Elasmosaurus a dinosaur?

No, Elasmosaurus was a plesiosaur, a marine reptile that lived in the sea. It was not a dinosaur, though it lived during the time of dinosaurs.1 3

?Could Elasmosaurus lift its neck out of water?

No, Elasmosaurus could not raise its head and neck high above the water like a swan. Its neck was too heavy and not flexible enough, so it could only lift its head above water in very shallow water.1

?How many neck bones did Elasmosaurus have?

Elasmosaurus had 72 neck vertebrae, which is the second largest number known in any animal. Its relative Albertonectes had even more, with at least 75.1

?Where did Elasmosaurus live?

Elasmosaurus lived in the Western Interior Seaway, a shallow sea that covered the middle of North America about 80.6 to 77 million years ago. Its fossils have been found in Kansas, USA.1

?Why did Elasmosaurus have such a long neck?

Scientists are not sure why Elasmosaurus had such a long neck. It may have helped in feeding, perhaps by sneaking up on prey, but the exact reason is unknown.1 2

?What was Cope's mistake with Elasmosaurus?

Edward Drinker Cope, who named Elasmosaurus, mistakenly put the skull on the tail end of the skeleton in his reconstruction. This famous error was pointed out by his rival Othniel Charles Marsh.1

Chatschader da mitus

Mitus: Many people think Elasmosaurus could hold its neck high out of the water like a giraffe.

Vardad: Scientists now know its neck was not flexible enough to lift high; it probably kept its neck low in the water while swimming.1

Per experts da dinos

Num scientific: Elasmosaurus
Numnà da: Cope 18684
Gruppa: Plesiosaurs
Famiglia / clada: Elasmosauridae4
Classificaziun: Plesiosauria > Elasmosauridae > Sauropterygia4
Vegliadetgna da la crappa: 94 fin 72 milliuns onns (Turonian / Campanian)4
Formaziuns da crap: Pierre Shale4
Pajais: Giapun, USA4
Chats da fossils: 9 en The Paleobiology Database4
Scuverta: Elasmosaurus was named in 1868 by American paleontologist Edward Drinker Cope, based on a partial skeleton found in Kansas. The fossil was dug out of shale and shipped to Philadelphia in crates.1
Anc discutà: Scientists are still not sure exactly what Elasmosaurus used its extremely long neck for, though it may have helped it catch prey on the seafloor or surprise fish.1

Danunder che vegnan ils fatgs

Elasmosaurus (en.wikipedia.org)
BBC - Science & Nature - Sea Monsters - Fact File: Elasmosaurus (bbc.co.uk)
Fossil Focus: Elasmosaurs – PALAEONTOLOGY[online] (palaeontologyonline.com)
Elasmosaurus in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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