Navaornis
U-Navaornis wayeyinyoni engangonwabu eyaphila eminyakeni eyizigidi ezingu-80 edlule endaweni okuyizwe lase-Brazil namuhla. Wayenogebhezi olungenamazinyo nenamehlo amakhulu olwalubukeka njengolwenyoni yanamuhla, kodwa wayengoweqembu lasendulo elibizwa ngama-enantiornithines. Ugebhezi lwakhe olwalulondolozeke kahle lwavumela ososayensi ukuba babone ngaphakathi ebuchosheni bakhe okokuqala ngqa enyonini endala kangaka.12
Yaphila nini?
Yayishesha kangakanani?
Amaqiniso amnandi
U-Navaornis wayenogebhezi olungenamazinyo namehlo amakhulu, njengezinyoni eziningi namuhla, kodwa ubuchopho bakhe babusenezici zasendulo ezifana ne-cerebellum encane kanye ne-telencephalon eyayikhule kancane.1
Ugebhezi lwakhe luwugebhezi lwenyoni yase-Mesozoic olulondolozeke kahle kakhulu olwake lwatholakala, lulondolozeke ngezinhlangothi ezintathu ngaphandle kokuba luyisicaba.1
U-Navaornis waphila eminyakeni eyizigidi ezingu-85 kuya kwezingu-75 edlule, ngesikhathi se-Late Cretaceous.12
Indawo yezinsalela lapho kwatholakala khona u-Navaornis incane kakhulu, cishe amamitha-skwele angu-6 kuphela, kodwa ikhiqize amathambo amaningi enyoni i-enantiornithine.1
INavaornis ingena kwiqembu elibizwa ngokuthi ama-Enantiornithes, okwakuyizinyoni ezihlukahlukene kakhulu esikhathini se-Mesozoic futhi ezazihlala kuwo wonke amazwekazi ngaphandle kwe-Antarctica.12
Indlebe yayo yangaphakathi yayimile okwezinyoni eziningi zanamuhla kodwa yayinkulu kakhulu.1
Ochwepheshe bama-dino
- Igama lesayensi
- Navaornis
- Iqanjwe ngu
- Chiappe et al. 20243
- Iqembu
- Izinyoni zakuqala
- Umndeni / i-clade
- Enantiornithes3
- Ukuhlukaniswa
- Theropoda > Avialae3
- Inkathi yamadwala
- 84 kuya ku-66 wezigidi zeminyaka (Campanian / Maastrichtian)3
- Izakhiwo zamatshe
- Adamantina3
- Amazwe
- I-Brazil3
- Izinsalela ezitholiwe
- 1 ku-Paleobiology Database3
- Ukutholakala
- Indawo yezinsalela yatholakala ngonyaka ka-2004 ngu-William Nava, kanti ugebhezi lwe-holotype lwatholakala ngonyaka ka-2016. Uhlobo lwaqanjwa ngokuthi i-Navaornis hestiae ngu-Chiappe nozakwabo ngonyaka ka-2024.13
- Kusaphikiswana ngakho
- Ososayensi basaphikisana ngokuthi u-Navaornis uhlobene kanjani ngqo namanye ama-enantiornithines, ngoba ugebhezi lwakhe olungenamazinyo nekhanda elibukeka lisesimanjemanje kwenza kube nzima ukumfaka emndenini wezihlahla zofuzo.1
Lapho amaqiniso evela khona
- Cretaceous bird from Brazil informs the evolution of the avian skull and brain | Nature (nature.com)
- Cretaceous bird from Brazil informs the evolution of the avian skull and brain (pmc.ncbi.nlm.nih.gov)
- Navaornis in The Paleobiology Database (CC BY 4.0): iminyaka, izindawo, izakhiwo zamadwala, ukuhlukaniswa.
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Archaeopteryx
Hesperornis
Ichthyornis
Baptornis
Jurapteryx
Gobipteryx
Tyrannosaurus
Triceratops
Velociraptor
Spinosaurus
Ankylosaurus
Parasaurolophus