Carta da dino nr. 1601 da 2 027

Scalamagnus

Il num vul dir: “large staircase, referring to the Grand Staircase-Escalante National Monument where it was found”1

Mangiava: CharnPlesiosaursCretacic tardivTecnicamain betg in dinosaur

Scalamagnus was a small, fast-swimming marine reptile that lived in the warm, shallow sea that once covered North America. It had a long snout full of sharp teeth and used its four flippers to zoom through the water after fish and squid.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 94 fin 90 milliuns onns2

Cretacic tardiv

Fossils chattads en

Utah, USA, in the Tropic Shale formation1 2

Lunghezza

3,2 m (10 ft)1

Spertadad maximala

var 28 km/h (17 mph)

Nudar, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant grond era el?

Quant lung era el?

uschè lung sco 3 chauns dal nas a la cuauschè lung sco 18 bananas ina suenter l'autrapudess nudar la lunghezza d'ina gronda piscina (50 m) en 6,4 secundas

Quant grond era Scalamagnus cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn arcunà u tramess.

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)

Scalamagnus var 28 km/h (17 mph)

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

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

Scalamagnus was originally thought to be a species of Dolichorhynchops, but scientists later gave it its own name in 2023.1

One Scalamagnus skeleton was found with 289 stomach stones (gastroliths), which is very unusual for this group of plesiosaurs.1

The stomach stones weighed about 518 grams in total, and most were smaller than 2 grams.1

It lived about 93 to 91 million years ago, during the early Turonian stage of the Late Cretaceous.1

Scalamagnus was a polycotylid plesiosaur, a group known for having short necks and large heads, unlike the long-necked plesiosaurs.1

The name Scalamagnus honors the Grand Staircase-Escalante National Monument in Utah, where its fossils were dug up.1

Maletg da Scalamagnus fatg cun IA — In maletg fatg cun IA che mussa co Scalamagnus 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: Scalamagnus
Numnà da: Clark et al. 20242
Gruppa: Plesiosaurs
Famiglia / clada: Polycotylidae2
Classificaziun: Plesiosauria > Sauropterygia2
Vegliadetgna da la crappa: 94 fin 90 milliuns onns (Turonian)2
Formaziuns da crap: Tropic Shale2
Pajais: USA2
Chats da fossils: 2 en The Paleobiology Database2
Scuverta: The first fossils were found between 2003 and 2005 by the Museum of Northern Arizona in the Tropic Shale of Utah. It was named Scalamagnus tropicensis in 2023 by Robert Clark, Robin O'Keefe, and Sara Slack.1 2
Anc discutà: Scientists are not sure why Scalamagnus had so many stomach stones, since most other polycotylids did not have them.1

Danunder che vegnan ils fatgs

Scalamagnus (en.wikipedia.org)
Scalamagnus in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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