Grabauornis

Aha pụtara: “nnụnụ Grabau”1

Riri: AnụEarly birds (nnụnụ ndị mbụ)Early Cretaceous

Grabauornis bụ obere nnụnụ nwere ezé nke biri ihe dị ka nde afọ 125 gara aga n'ebe bụ China ugbu a. Ọ maara efe efe nke ọma ma nwee nku pụrụ iche n'isi mkpịsị aka a na-akpọ alula nke nyeere ya aka ịgbagharị n'ikuku.1 2

Dịrị ndụ

126 ruo 120 nde afọ gara aga4

Early Cretaceous

Fossil ndị a hụrụ na

Liaoning Province, China1 3

Ogologo

0.1 ruo 0.3 m (0.3 ruo 1 ft)3

e mere atụmatụ site na ogologo okenye na PBDB (10 ruo <100 cm)

Ọsọ kachasị elu

ihe dị ka 27 km/h (17 mph)

Ịfe efe, atụmatụ

Olee mgbe ọ dịrị ndụ?

Triassic

Jurassic

Cretaceous

Afọ 252 nde gara aga20114566, asteroid ahụ

Olee otú o si buru ibu?

Olee otú ogologo o si dị?

ogologo dị ka brik ihe egwuregwu 9 n'usoronwere ike ife n'ofe ámá egwuregwu bọọlụ niile n'ime sekọnd 14

Olee otú Grabauornis si buru ibu ma e jiri ya tụnyere GỊ?

Naanị mgbakọ na mwepụ na ihe nchọgharị gị. Enweghị ihe ọ bụla echekwara ma ọ bụ zigara ebe ọ bụla.

Olee otú ọsọ o si gbaa?

Onye na-eje ije ihe dịka 5 km/h (3 mph)

Nwatakịrị nọ n'igwe ịnyịnya ihe dịka 12 km/h (7 mph)

Grabauornis ihe dịka 27 km/h (17 mph)

Ịnyịnya na-agba ọsọ ihe dịka 65 km/h (40 mph)

Cheetah ihe dịka 100 km/h (62 mph)

ihe dị mma

Eziokwu ndị na-atọ ụtọ

Grabauornis so n'òtù nnụnụ ndị mbụ a na-akpọ enantiornitheans, bụ ndị bụ nnụnụ a na-ahụkarị n'oge Age of Dinosaurs.1

Ọkpụkpụ aka elu ya (humerus) bụ 95% nke ogologo ọkpụkpụ aka ya (ulna), nke bụ ihe nkịtị maka enantiornitheans ma na-egosi na ọ bụ onye na-efe efe nke ọma.1 2

A hụrụ ihe ochie Grabauornis na Yixian Formation, bụ ebe a ma ama nwere ọtụtụ dinosaur nwere nku na nnụnụ ndị mbụ dị ịtụnanya.1 3

Grabauornis nwere alula, obere nku n'mkpịsị aka ya nke nyeere ya aka ife nwayọọ ma daa nke ọma, dị ka nku ụgbọ elu.1 2

Aha Grabauornis na-asọpụrụ Amadeus William Grabau, onye ọkà mmụta banyere ala na onye ọkà mmụta banyere ihe ochie a ma ama nke rụrụ ọrụ na China.1

Ọkpụkpụ obi ya nwere hypocleidium nke ọma, akụkụ nke nyeere aka mee ka obi ya sie ike maka ịkụ nku siri ike.1

Foto Grabauornis nke AI mere — Foto AI mere nke otú Grabauornis nwere ike isi dị, nke kọmputa mere site n'ihe ndị ọkà mmụta sayensị maara. Ọ bụ echiche: anụmanụ ahụ nwere ike ịdị iche, ọ dịghịkwa onye maara agba ya n'ezie.

Maka ndị ọkachamara dinosaur

Aha sayensị: Grabauornis
Onye nyere ya aha: Dalsatt et al. 20144
Otu: Early birds (nnụnụ ndị mbụ)
Ezinụlọ / clade: Euenantiornithes4
Nhazi: Theropoda > Avialae4
Oge nke nkume: 126 ruo 120 nde afọ (Barremian / Aptian)4
Nkume ndị e hiwere: Yixian4
Mba: China4
Ihe ndekọ fossil: 1 n'ime Paleobiology Database4
Nchọpụta: Ndị ọkà mmụta sayensị bụ Johan Dalsätt, Per Ericson, na Zhou Zhonghe kpọrọ Grabauornis aha ma kọwaa ya n'afọ 2014. A hụrụ ihe ochie ya nso n'obodo Lingyuan na Liaoning, China.1 2
A ka na-arụrịta ụka: Ndị ọkà mmụta sayensị ka na-arụrịta ụka otú Grabauornis si metụta nnụnụ ndị ọzọ a na-akpọ enantiornitheans, ebe ọ bụ na ọkpụkpụ ya na-egosi ngwakọta pụrụ iche nke njirimara.1

Ebe eziokwu si bịa

Grabauornis (en.wikipedia.org)
A New Enantiornithes (Aves) from the Early Cretaceous of China (geojournals.cn)
PBDB Taxon (paleobiodb.org)
Grabauornis in The Paleobiology Database (CC BY 4.0): afọ, ebe, nhazi nkume, nhazi.

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