Eretmosaurus
Eretmosaurus was a plesiosaur, a long-necked marine reptile that swam in the seas during the Jurassic Period. It used four flippers to paddle through the water and catch fish and other prey.13
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Eretmosaurus lived during the Early and Middle Jurassic, about 199.5 to 161.5 million years ago.1
The first fossils of Eretmosaurus were originally named Plesiosaurus rugosus by Richard Owen in 1840.1
The name Eretmosaurus means 'oar lizard' because its flippers looked like oars.1
Two species are known: Eretmosaurus rugosus and Eretmosaurus dubius.1
A nearly complete skeleton of Eretmosaurus rugosus was found in Granby, Nottinghamshire, England.1
Scientists have argued about which group of plesiosaurs Eretmosaurus belongs to. It has been placed in Rhomaleosauridae, Pliosauridae, Elasmosauridae, and most recently Microcleididae.1

Dino adituentzat
- Izen zientifikoa
- Eretmosaurus
- Izendatzailea:
- Seeley 18743
- Taldea
- Plesiosauroak
- Familia / klada
- Plesiosauria3
- Sailkapena
- Plesiosauria > Sauropterygia3
- Arroken adina
- 200 eta 193 milioi urte artean (Sinemurian)3
- Herrialdeak
- Erresuma Batua3
- Fosil-erregistroak
- 1 The Paleobiology Database datu-basean3
- Aurkikuntza
- The first fossils were described by Richard Owen in 1840 as Plesiosaurus rugosus. Harry Seeley named the genus Eretmosaurus in 1874 based on a headless skeleton from Granby, England.1
- Oraindik eztabaidagai
- Scientists are still unsure exactly which plesiosaur family Eretmosaurus belongs to, as it has been classified in several different groups over time.1
Datuak nondik datozen
- Eretmosaurus (en.wikipedia.org)
- Palaeos Vertebrates : Sauropterygia: Plesiosauroidea (2) (palaeos.com)
- Eretmosaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.
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