Dinokaart nr. 0645 van 2 027

Evgenavis

Naam beteken: “Evgeny's bird, named after the Russian paleontologist Evgeny Kurochkin”1

Evgenavis was a small, bird-like dinosaur that lived during the Early Cretaceous period. It had strong legs and sharp claws, and it probably hunted for food on the ground.3 2

Het geleef

126 tot 113 miljoen jaar gelede3

Vroeë Kryt

Fossiele gevind in

Shestakovo-3 locality, Ilek Formation, western Siberia, Russia3 2

Topspoed

omtrent 27 km/h (17 mph)

Vlieënd, skatting

Wanneer het dit geleef?

Trias

Jura

Kryt

252 miljoen jaar gelede20114566, die asteroïde

Hoe vinnig was dit?

'n Mens wat loop omtrent 5 km/h (3 mph)

'n Kind op 'n fiets omtrent 12 km/h (7 mph)

Evgenavis omtrent 27 km/h (17 mph)

'n Galopperende perd omtrent 65 km/h (40 mph)

'n Jagluiperd omtrent 100 km/h (62 mph)

cool goed

Prettige feite

Evgenavis is known only from a single fossil bone, a tarsometatarsus (a foot bone).1 2

Scientists are not sure exactly what group Evgenavis belongs to. It might be a confuciusornithiform (like the early beaked bird Confuciusornis) or an enantiornithine (a different group of early birds).1 2

The fossil of Evgenavis was found in 2007 by a joint expedition from the Zoological Institute, Tomsk University, and Saint Petersburg University.2

Evgenavis lived during the Early Cretaceous, about 125 to 113 million years ago.3

The name Evgenavis honors Evgeny Kurochkin, a famous Russian paleontologist who studied ancient birds.1

KI-prent van Evgenavis — 'n KI-prent van hoe Evgenavis dalk gelyk het, deur 'n rekenaar gemaak uit wat wetenskaplikes weet. Dit is 'n raaiskoot: die regte dier het dalk anders gelyk, en niemand weet wat sy regte kleure was nie.

Vir dino-kenners

Wetenskaplike naam: Evgenavis
Benoem deur: O'Connor et al. 20143
Groep: Vroeë voëls
Familie / klade: Enantiornithes3
Klassifikasie: Theropoda > Avialae3
Ouderdom van die rotse: 126 tot 113 miljoen jaar (Barremian / Aptian)3
Rotsformasies: Ilek3
Lande: Rusland3
Fossielrekords: 1 in The Paleobiology Database3
Ontdekking: Evgenavis was named in 2014 by Jingmai O'Connor, Alexander Averianov, and Nikita Zelenkov. The only fossil, a foot bone, was found at the Shestakovo-3 site in western Siberia.3 2
Steeds omstrede: Scientists still debate whether Evgenavis was a confuciusornithiform or an enantiornithine bird. More fossils are needed to be sure.1 2

Waar die feite vandaan kom

Evgenavis (en.wikipedia.org)
A confuciusornithiform (Aves, Pygostylia)-like tarsometatarsus from the Early Cretaceous of Siberia and a discussion of the evolution of avian hind limb musculature (tandfonline.com)
Evgenavis in The Paleobiology Database (CC BY 4.0): ouderdom, plekke, rotsformasies, klassifikasie.

Elke feit op hierdie bladsy het 'n nommer wat na sy bron wys. As ons iets verkeerd het, jammer, ons is dino-aanhangers, nie 'n wetenskapjoernaal nie. Laat weet ons by [email protected] en ons maak dit reg.

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