Thalassomedon
Thalassomedon was a huge marine reptile that swam in the seas of North America about 95 million years ago. It had an extremely long neck, over half its body length, and used its sharp teeth to catch fish and other prey.1
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elefante bat bezain astun, gutxi gorabehera๐1400 angurria bezain astun๐haurrez betetako 8 ikasgela oso bezain astun๐ปโโ๏ธ15 hartz zuri bezain astun๐igerileku handi baten luzera (50 m) 8,2 segundotan egin zezakeen igerianZein handia zen Thalassomedon ZUREKIN alderatuta?
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Datu dibertigarriak
Thalassomedon's neck had 62 vertebrae and was about 5.9 metres (19 feet) long, more than half of its total body length.1
Its flippers were about 1.5 to 2 metres (4.9 to 6.6 feet) long, helping it steer through the water.1
Stones have been found in the stomach area of Thalassomedon, which scientists think may have helped grind food or acted as ballast for diving.1
Its skull was only 47 centimetres (19 inches) long, but its teeth were 5 centimetres (2 inches) long.1
Thalassomedon lived during the Cenomanian stage of the Late Cretaceous, about 95 million years ago.1
Its closest relative is Elasmosaurus, another long-necked plesiosaur.1
Six specimens of Thalassomedon are on display in museums across the United States.1

Thalassomedon: gehien egindako galderak
?How big was Thalassomedon?
Thalassomedon was about 10.86 to 11.95 metres (35.6 to 39.2 feet) long and weighed around 4.4 to 6.8 metric tons (4.9 to 7.5 short tons).1
?Was Thalassomedon a dinosaur?
No, Thalassomedon was a plesiosaur, which is a type of marine reptile that lived in the oceans, not a dinosaur.2
?What did Thalassomedon eat?
Thalassomedon used its sharp teeth to catch fish and other prey.1
?How long was Thalassomedon's neck?
Its neck was about 5.9 metres (19 feet) long and made up of 62 vertebrae, which is more than half of its total body length.1
?When did Thalassomedon live?
Thalassomedon lived about 95 million years ago during the Cenomanian stage of the Late Cretaceous.1
?Where was Thalassomedon found?
Fossils of Thalassomedon have been found in North America, specifically in the United States.1
Dino adituentzat
- Izen zientifikoa
- Thalassomedon
- Izendatzailea:
- Welles 19433
- Taldea
- Plesiosauroak
- Familia / klada
- Elasmosauridae3
- Sailkapena
- Plesiosauria > Elasmosauridae > Sauropterygia3
- Arroken adina
- 100 eta 94 milioi urte artean (Cenomanian)3
- Arroka-formazioak
- Graneros Shale, Belle Fourche3
- Herrialdeak
- AEB3
- Fosil-erregistroak
- 2 The Paleobiology Database datu-basean3
- Aurkikuntza
- Thalassomedon was named by S. P. Welles in 1943, based on fossils found in Colorado and Montana, USA.31
- Oraindik eztabaidagai
- Scientists are not sure whether the stones found in its stomach were used for grinding food or for ballast to help it dive.1
Datuak nondik datozen
- Thalassomedon (en.wikipedia.org)
- Thalassomedon (simple.wikipedia.org)
- Thalassomedon in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.
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