Iaceornis

Il num vul dir: “Marsh's neglected bird”1

Mangiava: CharnUtschels primitivsCretacic tardiv

Iaceornis was a seabird that lived alongside dinosaurs like T. rex. It had strong wings and probably flew over the ancient sea that covered what is now Kansas.1

Viveva

avant 86 fin 84 milliuns onns2

Cretacic tardiv

Fossils chattads en

Gove County, Kansas, USA1

Spertadad maximala

var 27 km/h (17 mph)

Sgular, 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)

Iaceornis var 27 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

Iaceornis lived about 83.5 million years ago during the Late Cretaceous period.1

Only one fossil of Iaceornis has ever been found, and it is a partial skeleton without a skull.1

For over 120 years, scientists thought this fossil belonged to another bird called Apatornis. In 2004, paleontologist Julia Clarke proved it was a different species.1

The name Iaceornis means 'neglected bird' because the fossil was ignored for so long.1

Iaceornis is more advanced than the toothed bird Ichthyornis but less advanced than modern birds.1

The fossil was first dug up by famous fossil hunter Othniel Charles Marsh in 1877.1

Maletg da Iaceornis fatg cun IA — In maletg fatg cun IA che mussa co Iaceornis 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: Iaceornis
Numnà da: Clarke 20042
Gruppa: Utschels primitivs
Famiglia / clada: Ornithurae2
Classificaziun: Theropoda > Avialae2
Vegliadetgna da la crappa: 86 fin 84 milliuns onns (Santonian)2
Formaziuns da crap: Niobrara2
Pajais: USA2
Chats da fossils: 1 en The Paleobiology Database2
Scuverta: The fossil was collected by Othniel Charles Marsh in 1877 in Kansas. It was first thought to be Apatornis celer, but in 2004 Julia Clarke renamed it Iaceornis marshi after studying its wing bones.1
Anc discutà: Scientists are not sure exactly what Iaceornis looked like because the only fossil is missing its skull.1

Danunder che vegnan ils fatgs

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

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