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Franconiasaurus
Franconiasaurus was a marine reptile that swam in the seas of what is now Germany about 175 million years ago. It had a mix of features from early and later plesiosaurs, making it a special link in their family tree.2
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Fakte argëtuese
Franconiasaurus lived about 175 million years ago, during a time called the late Toarcian stage of the Jurassic period.2
Its name 'brevispinus' means 'short spine', because the neural spines on its neck and back bones were low.1
Two nearly complete, three-dimensionally preserved skeletons were found, which is very rare for plesiosaurs.1
Franconiasaurus is considered a 'transitional' plesiosaur, meaning it had features of both early and later plesiosaurs, helping scientists understand how they evolved.2
It was a close relative of a group called Cryptoclidia, which includes many later plesiosaurs that lived in oceans around the world.2
The fossils were found in the Jurensismergel Formation, which is a layer of rock from the Jurassic period.1
Për ekspertët e dinozaurëve
- Emri shkencor
- Franconiasaurus
- Emërtuar nga
- Sachs et al. 20244
- Grupi
- Pleziozaurët
- Familja / klada
- Plesiosauroidea4
- Klasifikimi
- Plesiosauria > Sauropterygia4
- Mosha e shkëmbinjve
- 180 deri në 175 milionë vjet (Toarcian)4
- Formacionet shkëmbore
- Jurensismergel4
- Vendet
- Gjermania4
- Gjetjet fosile
- 1 në The Paleobiology Database4
- Zbulimi
- Franconiasaurus was named by Sachs and colleagues in 2024. The fossils were dug up between 2005 and 2018 by a team from the Urwelt-Museum Oberfranken in a clay pit in Mistelgau, Germany.1
- Ende i diskutueshëm
- Scientists are still studying the detailed anatomy of Franconiasaurus, and a full description is planned for a future project.1
Nga vijnë faktet
- Exquisite skeletons of a new transitional plesiosaur fill gap in the evolutionary history of plesiosauroids (dinodata.de)
- Exquisite skeletons of a new transitional plesiosaur fill gap in the evolutionary history of plesiosauroids, Sachs Vertebrate Palaeontology Research (sachspal.de)
- PBDB Taxon (paleobiodb.org)
- Franconiasaurus in The Paleobiology Database (CC BY 4.0): mosha, vendet, formacionet shkëmbore, klasifikimi.
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Trinacromerum
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Stenopterygius
Dorygnathus
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Scutellosaurus
Yunnanosaurus