Carta da dino nr. 1774 da 2 027

Terminonatator

Il num vul dir: “last swimmer”1

Mangiava: CharnPlesiosaursCretacic tardivTecnicamain betg in dinosaur

Terminonatator was a marine reptile that swam in the shallow sea that once covered Canada. It was a plesiosaur with a long neck and four flippers, and it hunted fish and other sea creatures. This animal lived near the end of the age of dinosaurs, about 80 million years ago.1 3

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 84 fin 72 milliuns onns3

Cretacic tardiv

Fossils chattads en

Saskatchewan, Canada, in the Bearpaw Formation near Notukeu Creek in Ponteix1 3

Lunghezza

7 fin 9 m (23 fin 30 ft)1

Spertadad maximala

var 23 km/h (14 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 2 autos parcads in suenter l'auteruschè lung sco 50 bananas ina suenter l'autrapudess nudar la lunghezza d'ina gronda piscina (50 m) en 7,8 secundas

Quant grond era Terminonatator 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)

Terminonatator var 23 km/h (14 mph)

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

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

Terminonatator is one of the youngest plesiosaurs known from the Western Interior Seaway, a sea that split North America in two during the dinosaur age.1

The only fossil found is a skull and partial skeleton of a young adult. The skull is about 27 cm (10.6 in) long and had a short snout compared to other elasmosaurids.1

Over 150 pebbles were found inside its rib cage. These gastroliths helped it digest food, just like some modern birds and crocodiles.1

Its thigh bone was longer than its upper arm bone, which is unusual for an elasmosaurid. The right thigh bone had broken and healed while the animal was alive.1

The name Terminonatator means 'last swimmer' because it lived so late in the Cretaceous period, near the end of the age of dinosaurs.1

It had only nine teeth in the tip of its upper jaw, while most other plesiosaurs had ten. This might just be a difference between individuals.1

Maletg da Terminonatator fatg cun IA — In maletg fatg cun IA che mussa co Terminonatator 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.

tias dumondas

Las dumondas las pli frequentas davart Terminonatator

?How big was Terminonatator?

About 7 metres (23 feet) long, and up to 9 metres (30 feet) if it had an extremely long neck like Elasmosaurus.1

?What did Terminonatator eat?

It ate fish. Its small head and long, thin teeth were good for catching fish, and it probably used its long neck to help capture schooling fish.2

?When did Terminonatator live?

It lived about 70 million years ago, near the end of the Cretaceous period, in a shallow sea that covered Saskatchewan, Canada.2

?Why did Terminonatator swallow stones?

It swallowed stones called gastroliths, which may have helped it digest food or control its buoyancy in the water.2

Per experts da dinos

Num scientific: Terminonatator
Numnà da: Sato 20033
Gruppa: Plesiosaurs
Famiglia / clada: Elasmosauridae3
Classificaziun: Plesiosauria > Elasmosauridae > Sauropterygia3
Vegliadetgna da la crappa: 84 fin 72 milliuns onns (Campanian)3
Formaziuns da crap: Bearpaw Shale3
Pajais: Canada3
Chats da fossils: 1 en The Paleobiology Database3
Scuverta: Tamaki Sato named and described Terminonatator in 2003, based on a skull and partial skeleton found high in the Bearpaw Formation near Ponteix, Saskatchewan, Canada. The species name ponteixensis honors the town of Ponteix.1 3
Anc discutà: Scientists are not sure exactly how long its neck was. If it had as many neck vertebrae as Elasmosaurus (72), it could have been up to 9 m (30 ft) long.1

Danunder che vegnan ils fatgs

Terminonatator (en.wikipedia.org)
“Mo” Ponteix Long-necked Plesiosaur (royalsaskmuseum.ca)
Terminonatator in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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