Carta da dino nr. 1551 da 2 027

Richardoestesia

Il num vul dir: “Richard Estes' lizard”1

Mangiava: CharnRaptorsGiurassic tardiv fin Cretacic tardiv

Richardoestesia is known only from its teeth, which are long, slender, and curved. These teeth tell us it was a meat-eating dinosaur that hunted small animals like lizards and mammals.1

Viveva

avant 155 fin 66 milliuns onns5

Giurassic tardiv fin Cretacic tardiv

Fossils chattads en

Alberta, Canada; many states in the USA (including Montana, Wyoming, Texas); also Spain, France, Romania, Uzbekistan, and Mexico5

Lunghezza

2 fin 3,3 m (6,6 fin 11 ft)2 3

Paisa

50 kg fin 63 kg (110 fin 139 lb)2 3

Autezza

0,7 m (2,3 ft)2

Spertadad maximala

var 50 km/h (31 mph)

Currer, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant grond era el?

Quant lung era el?

Quant aut era el?

Quant grev era el?

uschè grev sco 3 chauns

uschè lung sco 3 chauns dal nas a la cuauschè lung sco 18 bananas ina suenter l'autrauschè grev sco 13 melunasuschè grev sco 3 uffants da scolettauschè grev sco 2 scolarspudess currer 100 meters en 7,2 secundas (il pli spert uman dovra 9,6)

Quant grond era Richardoestesia 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)

Richardoestesia var 50 km/h (31 mph)

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

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

Richardoestesia is known only from its teeth, not from whole skeletons. Scientists call it a 'form taxon' because they group similar-looking teeth together.1

The teeth of Richardoestesia are very long and slender compared to other meat-eating dinosaurs. They look like thin blades.1

If all the teeth assigned to Richardoestesia really belong to the same kind of dinosaur, it would have lived for over 80 million years, from the Late Jurassic to the end of the Cretaceous.1

Richardoestesia teeth have been found all over the world, including North America, Europe, and Asia. That would make it one of the most widespread dinosaurs ever.1

The name Richardoestesia honors paleontologist Richard Estes, who studied small fossils and dinosaur teeth.1

Some scientists think Richardoestesia might have been a dromaeosaur (a raptor) or a troodontid, but nobody knows for sure because no body fossils have been found.5

Maletg da Richardoestesia fatg cun IA — In maletg fatg cun IA che mussa co Richardoestesia 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 Richardoestesia

?What did Richardoestesia eat?

Richardoestesia was a meat-eating dinosaur, and some studies think it may have eaten fish because its teeth are often found in marine sites. Its long, slender teeth were good for catching small animals like lizards and mammals.1 4

?How big was Richardoestesia?

Nobody knows for sure because only its teeth have been found. One estimate from a tooth in Wyoming suggests it weighed about 100 kilograms (220 pounds), but scientists are not certain.4

?When did Richardoestesia live?

Richardoestesia lived during the Late Cretaceous, about 76.5 to 75 million years ago, based on teeth from the Dinosaur Park Formation. Some similar teeth are much older, from the Late Jurassic, but those may belong to different dinosaurs.1

?Was Richardoestesia a dinosaur?

Yes, Richardoestesia was a theropod dinosaur, a meat-eater related to raptors and other bird-like dinosaurs. It is known only from its teeth, not from a full skeleton.1

?Why is Richardoestesia known only from teeth?

Scientists have only found Richardoestesia's teeth, not its body fossils. That is why it is called a 'form taxon', because they group similar-looking teeth together without knowing the whole animal.1

?Could Richardoestesia swim?

Some scientists think Richardoestesia might have eaten fish because its teeth are often found in marine rocks, but nobody knows if it could swim. It was probably a land dinosaur that sometimes hunted near water.1

Chatschader da mitus

Mitus: Richardoestesia is a well-known dinosaur with a complete skeleton.

Vardad: Richardoestesia is only known from isolated teeth. No complete skeleton has ever been found, so scientists are not sure what it looked like.1

Per experts da dinos

Num scientific: Richardoestesia
Numnà da: Currie et al. 19905
Gruppa: Raptors
Famiglia / clada: Dromaeosauridae5
Classificaziun: Theropoda > Dromaeosauridae5
Vegliadetgna da la crappa: 155 fin 66 milliuns onns (Kimmeridgian / Maastrichtian)5
Formaziuns da crap: Hell Creek, Milk River, Dinosaur Park5
Pajais: USA, Canada, Spagna, Usbekistan, Rumenia, Mexico5
Chats da fossils: 239 en The Paleobiology Database5
Scuverta: The first Richardoestesia fossils were jaws found in 1917 by Charles Hazelius Sternberg and his sons in Dinosaur Provincial Park, Alberta, Canada. The name was given in 1990 by paleontologist Philip Currie and colleagues.1
Anc discutà: Scientists are not sure if all the teeth called Richardoestesia really belong to the same dinosaur. Many may come from different species that have not been named yet.1

Danunder che vegnan ils fatgs

Richardoestesia (en.wikipedia.org)
Richardoestesia (elmirador.edu.co)
Richardoestesia gilmorei | Dinosaur Database by DinoAnimals.com (dinoanimals.com)
University of Colorado Museum of Natural History: Harvester Ants: Richardoestesia Tooth (cumuseum-archive.colorado.edu)
Richardoestesia in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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