Cando viviu?
Que velocidade alcanzaba?
Datos curiosos
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

Para expertos en dinos
- Nome científico
- Iaceornis
- Bautizado por
- Clarke 20042
- Grupo
- Aves primitivas
- Familia / clado
- Ornithurae2
- Clasificación
- Theropoda > Avialae2
- Idade das rochas
- de 86 a 84 millóns de anos (Santonian)2
- Formacións rochosas
- Niobrara2
- Países
- EUA2
- Rexistros fósiles
- 1 na Paleobiology Database2
- Descubrimento
- 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
- Aínda en debate
- Scientists are not sure exactly what Iaceornis looked like because the only fossil is missing its skull.1
De onde veñen os datos
- Iaceornis (en.wikipedia.org)
- Iaceornis in The Paleobiology Database (CC BY 4.0): idade, lugares, formacións rochosas, clasificación.
Cada dato desta páxina ten un número que leva á súa fonte. Se nos equivocamos nalgo, sentímolo, somos fans dos dinos, non unha revista científica. Escríbenos a [email protected] e arranxámolo.
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