Caypullisaurus
Caypullisaurus was a large, dolphin-like marine reptile that swam in the warm seas of what is now Argentina. It had a long, slender snout and huge eyes to hunt fish and squid in the dark ocean.1
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Caypullisaurus had four main fingers in its front flipper, made of tightly packed, many-sided bones, plus extra fingers on the front and back edges.1
Its eyes were very large, like those of Ophthalmosaurus, helping it see in dim water.1
Adult Caypullisaurus had weak or missing teeth, so it probably sucked in soft prey like squid.1
The only known skeleton is the most complete ichthyosaur ever found from the Jurassic of South America.1
Caypullisaurus lived about 145 million years ago, during the Late Jurassic period.4
Its fossils were found in the Vaca Muerta formation, a famous rock layer in Argentina that also holds many other marine reptiles.4

Caypullisaurus: gehien egindako galderak
?How big was Caypullisaurus?
It was about 7 metres (23 feet) long, which is roughly the length of a large bus.3
?What did Caypullisaurus eat?
It ate fish and squid. Adults had weak or missing teeth, so it probably sucked in soft prey like squid.3
?When did Caypullisaurus live?
It lived about 150 to 140 million years ago, during the Late Jurassic and Early Cretaceous periods.3
Dino adituentzat
- Izen zientifikoa
- Caypullisaurus
- Izendatzailea:
- Fernández 19974
- Taldea
- Iktiosauroak
- Familia / klada
- Ophthalmosauridae4
- Sailkapena
- Ichthyosauria > Ichthyosauromorpha4
- Arroken adina
- 145 eta 137 milioi urte artean (Tithonian / Berriasian)4
- Arroka-formazioak
- Vaca Muerta4
- Herrialdeak
- Argentina4
- Fosil-erregistroak
- 2 The Paleobiology Database datu-basean4
- Aurkikuntza
- Caypullisaurus was named by paleontologist M. S. Fernández in 1997, based on a nearly complete skeleton from the Neuquén Basin in Argentina.41
- Oraindik eztabaidagai
- Scientists are not sure exactly how big Caypullisaurus grew, because only one skeleton has been found.4
Datuak nondik datozen
- A new ichthyosaur from the Tithonian (Late Jurassic) of the Neuquén Basin, northwestern Patagonia, Argentina (cambridge.org)
- A new ichthyosaur from the Tithonian (Late Jurassic) of the Neuquen Basin, northwestern Patagonia, Argentina | Journal of Paleontology | GeoScienceWorld (pubs.geoscienceworld.org)
- Caypullisaurus (en.wikipedia.org)
- Caypullisaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.
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