Catutosaurus
Catutosaurus was a fast-swimming marine reptile that lived in the Jurassic seas. It looked a bit like a dolphin but was actually an ichthyosaur, not a dinosaur. It had a long snout and strong flippers for chasing fish.1
Berɛ bɛn na ɛtenaa ase?
Na ɛyɛ ntɛm sɛn?
Nsɛm a ɛyɛ anigye
Catutosaurus lived about 149 to 143 million years ago during the Late Jurassic period.2
Its fossils were found in the Vaca Muerta formation in Argentina, which is famous for its well-preserved marine reptiles.2
Catutosaurus had a mix of features: a skull like some ophthalmosaurids and a forefin like others, showing that these traits evolved separately.1
Its forefin had tightly packed polygonal bones and a broad connection between the upper arm and forearm bones.1
The name Catutosaurus comes from the Los Catutos area in Argentina where it was discovered.2
Catutosaurus is part of a group called ophthalmosaurids, which were the last ichthyosaurs to survive, living until about 94 million years ago.1

Ma dino ho animdefoɔ
- Nyansahu din
- Catutosaurus
- Obi a ɔtoo din
- Fernández et al. 20212
- Kuo
- Iktiosɔɔ
- Abusua / kuo kɛseɛ
- Ophthalmosauridae2
- Nkyekyɛmu
- Ichthyosauria > Ichthyosauromorpha2
- Abotan no mfeɛ
- mfeɛ ɔpepem 149 kɔsi 143 (Tithonian)2
- Abotan nhyehyɛeɛ
- Vaca Muerta2
- Aman
- Argentina2
- Fɔsil nkyerɛwee
- 1 wɔ The Paleobiology Database mu2
- Nhunumu
- Catutosaurus was named in 2021 by Marta S. Fernández, Lisandro Campos, Erin E. Maxwell, and Alberto C. Garrido. The fossils were found in the Los Catutos area of Patagonia, Argentina.21
- Wɔda so gye ho akyinnye
- Scientists are still debating exactly how Catutosaurus is related to other ophthalmosaurids. Its mix of features makes its place on the family tree unclear.1
Baabi a nsɛm no firi
- Catutosaurus gaspariniae, gen. et sp. nov. (Ichthyosauria, Thunnosauria) of the Upper Jurassic of Patagonia and the Evolution of the Ophthalmosaurids (complete.bioone.org)
- Catutosaurus in The Paleobiology Database (CC BY 4.0): mfeɛ, mmeaeɛ, abotan nhyehyɛeɛ, nkyekyɛmu.
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