Dinokaart nr. 0358 van 2 027

Catutosaurus

Naam beteken: “Catuto lizard”2

Het geëet: VleisIgtiosourusseLaat Jura tot Vroeë KrytTegnies nie 'n dinosourus nie

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

Prettige feit: hierdie seereptiel het geswem terwyl dinosourusse op land geloop het. Almal noem hulle dino's, maar hulle was 'n ander tak van die reptiele.

Het geleef

149 tot 143 miljoen jaar gelede2

Laat Jura tot Vroeë Kryt

Fossiele gevind in

El Ministerio Quarry, Los Catutos, Neuquén Province, Argentina2

Topspoed

omtrent 46 km/h (29 mph)

Swem, skatting

Wanneer het dit geleef?

Trias

Jura

Kryt

252 miljoen jaar gelede20114566, die asteroïde

Hoe vinnig was dit?

'n Mens wat loop omtrent 5 km/h (3 mph)

'n Kind op 'n fiets omtrent 12 km/h (7 mph)

Catutosaurus omtrent 46 km/h (29 mph)

'n Galopperende perd omtrent 65 km/h (40 mph)

'n Jagluiperd omtrent 100 km/h (62 mph)

cool goed

Prettige feite

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

KI-prent van Catutosaurus — 'n KI-prent van hoe Catutosaurus dalk gelyk het, deur 'n rekenaar gemaak uit wat wetenskaplikes weet. Dit is 'n raaiskoot: die regte dier het dalk anders gelyk, en niemand weet wat sy regte kleure was nie.

Vir dino-kenners

Wetenskaplike naam: Catutosaurus
Benoem deur: Fernández et al. 20212
Groep: Igtiosourusse
Familie / klade: Ophthalmosauridae2
Klassifikasie: Ichthyosauria > Ichthyosauromorpha2
Ouderdom van die rotse: 149 tot 143 miljoen jaar (Tithonian)2
Rotsformasies: Vaca Muerta2
Lande: Argentinië2
Fossielrekords: 1 in The Paleobiology Database2
Ontdekking: 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.2 1
Steeds omstrede: 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

Waar die feite vandaan kom

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): ouderdom, plekke, rotsformasies, klassifikasie.

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