Rhaeticosaurus
Rhaeticosaurus was a small, early plesiosaur that swam in the seas of the Late Triassic. It had four flippers shaped like wings and a long neck, and it used its flippers to fly through the water. This marine reptile is one of the oldest plesiosaurs ever found.2
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Rhaeticosaurus is the first plesiosaur skeleton ever found from the Triassic period, showing that plesiosaurs were already around before the Jurassic.2
Its name means 'Rhaetian lizard' because it lived during the Rhaetian age, the last stage of the Triassic.1
Rhaeticosaurus had very short lower arm and leg bones compared to its upper limb bones, with a humerus-to-radius ratio of 3.8 and a femur-to-tibia ratio of 4.3.2
The holotype skeleton was discovered in 2013 by Michael Mertens, a private collector who reported it to authorities.1
Rhaeticosaurus was a basal member of the Pliosauridae, a group of plesiosaurs with large heads and short necks.2
Its teeth had sharp ridges on the enamel, a feature that helped scientists identify it as a plesiosaur.2

Mibvunzo inonyanya kubvunzwa nezve Rhaeticosaurus
Zvevanyanzvi vemadhino
- Zita resainzi
- Rhaeticosaurus
- Akaripa zita:
- Wintrich et al. 20174
- Boka
- Mapresiosauro
- Mhuri / boka
- Plesiosauria4
- Kurongwa kwemhuka
- Plesiosauria > Sauropterygia4
- Zera rematombo
- makore mamiriyoni 206 kusvika 201 (Rhaetian)4
- Mapoka ematombo
- Exter4
- Nyika
- Germany4
- Zvinyorwa zvemafosiri
- 1 mu The Paleobiology Database4
- Kuwanikwa
- Rhaeticosaurus was named in 2017 by Wintrich and colleagues based on a partial skeleton found in 2013 in a clay pit in Germany. The fossil was discovered by Michael Mertens and later prepared for study.13
- Zvichiri kupokanwa
- Scientists are still debating exactly how many neck vertebrae Rhaeticosaurus had, but they estimate at least 37.2
Kunobva chokwadi
- Rhaeticosaurus (en.wikipedia.org)
- A Triassic plesiosaurian skeleton and bone histology inform on evolution of a unique body plan (pmc.ncbi.nlm.nih.gov)
- PBDB Taxon (paleobiodb.org)
- Rhaeticosaurus in The Paleobiology Database (CC BY 4.0): zera, nzvimbo, mapoka ematombo, kurongwa kwemhuka.
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