Carta da dino nr. 1169 da 2 027

Merriamosaurus

Il num vul dir: “Merriam's lizard”1

Mangiava: CharnIctiosaursTriassic tempriv fin Triassic mesaunTecnicamain betg in dinosaur

Merriamosaurus was an ancient marine reptile that swam in the seas around what is now Svalbard, Norway, about 248 million years ago. It was a type of ichthyosaur, a dolphin-like reptile that breathed air but lived in the water. Merriamosaurus was a top predator, hunting fish and other sea creatures.1 2

Fatg divertent: quest reptil da mar nudava, entant ch'ils dinosaurs chaminavan sin terra. Tuts als numnan dinos, ma els eran in'autra rama dals reptils.

Viveva

avant 249 fin 247 milliuns onns3

Triassic tempriv fin Triassic mesaun

Fossils chattads en

Svalbard and Jan Mayen (Spitsbergen, Norway)1

Spertadad maximala

var 46 km/h (29 mph)

Nudar, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant spert era el?

Ina persuna che va a pe var 5 km/h (3 mph)

In uffant sin il velo var 12 km/h (7 mph)

Merriamosaurus var 46 km/h (29 mph)

In chaval che galoppescha var 65 km/h (40 mph)

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

Merriamosaurus was named in 2002 by scientists Maisch and Matzke.1

It lived during the Spathian stage of the Early Triassic, about 248 to 247 million years ago.1

Merriamosaurus was a basal longipinnate ichthyosaur, meaning it had long flippers and was an early relative of more advanced ichthyosaurs.2

It was the most derived of the Lower Triassic ichthyosaurs known at the time of its description.2

Merriamosaurus gave birth to live young, like many other ichthyosaurs.1

Its fossils were found in the Sticky Keep Formation on Spitsbergen.1 2

Maletg da Merriamosaurus fatg cun IA — In maletg fatg cun IA che mussa co Merriamosaurus pudess avair guardà ora, fatg d'in computer tenor quai che la scienza sa. I sa tracta d'ina supposiziun: l'animal vair ha forsa guardà ora auter, e sias colurs vairas èn nunenconuschentas.

Per experts da dinos

Num scientific: Merriamosaurus
Numnà da: Maisch and Matzke 20023
Gruppa: Ictiosaurs
Famiglia / clada: Merriamosauridae3
Classificaziun: Ichthyosauria > Ichthyosauromorpha3
Vegliadetgna da la crappa: 249 fin 247 milliuns onns ()3
Formaziuns da crap: Sticky Keep3
Pajais: Svalbard3
Chats da fossils: 1 en The Paleobiology Database3
Scuverta: Merriamosaurus was first described from isolated bones, but later more complete skeletons were found in the Sticky Keep Formation of Spitsbergen. It was named by Michael W. Maisch and Andreas T. Matzke in 2002.1 2
Anc discutà: Scientists are not sure about the exact size of Merriamosaurus because only partial skeletons have been found.2

Danunder che vegnan ils fatgs

PBDB Taxon (paleobiodb.org)
Observations on Triassic ichthyosaurs. Part IX. The first associated skeletal remains of Merriamosaurus n. g. (Ichthyosauria, Lower Triassic) and their bearing on the systematic position of the Omphalosauria (researchgate.net)
Merriamosaurus in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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