Protognathus

Igama lisho ukuthi: “isibankwa somhlathi wokuqala”1

Udla: IzitshaloAma-sauropodMiddle Jurassic kuya ku-Late Jurassic

U-Protognathosaurus wayeyisibankwa esikhulu esidla izitshalo esinentamo ende esaphila e-China ngesikhathi se-Middle Jurassic. Waziwa ngesiqephu somhlathi wakhe ongezansi kuphela, ngakho ososayensi basazama ukuthola ukuthi wayebukeka kanjani.1

Yaphila

171 kuya ku-155 wezigidi zeminyaka edlule3

Middle Jurassic kuya ku-Late Jurassic

Isivinini esiphezulu

cishe 15 km/h (9 mph)

Ukugijima, isilinganiso

Yaphila nini?

Triassic

Jurassic

I-Cretaceous

Izigidi ezingama-252 eminyakeni edlule20114566, i-asteroid (isikhathi lapho i-asteroid ishaya)

Yayishesha kangakanani?

Umuntu ohambayo cishe 5 km/h (3 mph)

Ingane esebhayisikilini cishe 12 km/h (7 mph)

Protognathus cishe 15 km/h (9 mph)

Ihhashi eligijimayo cishe 65 km/h (40 mph)

Ingwe cishe 100 km/h (62 mph)

izinto ezinhle

Amaqiniso amnandi

U-Protognathosaurus waziwa ngesiqephu esisodwa somhlathi ongezansi, obizwa ngokuthi i-dentary, owayenezikhala zamazinyo eziyi-18.1

Igama lalo ekuqaleni kwakungu-Protognathus, kodwa lelo gama lase lisetshenziselwa ibhungane, ngakho ngo-1991 lashintshwa laba yi-Protognathosaurus.1

Umhlathi ubonisa amazinyo abukhali athatha indawo yalawo amadala esakhula, yingakho igama lohlobo elithi oxyodon lisho 'izinyo elibukhali'.1

Waphila eminyakeni eyizigidi eziyi-168 kuya kweziyi-161 edlule, ngesikhathi se-Middle Jurassic.1

Insalela yatholakala ku-Lower Shaximiao Formation, eyenziwe ngesihlabathi nodaka oluvela echibini lasendulo.2

Ososayensi bacabanga ukuthi wayeyisibankwa esiyisisekelo sohlobo lwe-sauropod esinosayizi ophakathi nendawo, esinomhlathi ongezansi ogqinsi futhi osindayo.2

Isithombe sika-Protognathus esenziwe nge-AI sokuthi kungenzeka ukuthi wayebukeka kanjani, senziwe yikhompyutha ngokusekelwe kulokho okwaziwa ososayensi. Lokhu kuwukuqagela: isilwane sangempela kungenzeka ukuthi sasibukeka ngokuhlukile, futhi akekho owazi imibala yaso yangempela.

Buza u-Rex ngo-Protognathus

Rex uphendula imibuzo mayelana naleli khasi kuphela. Imibuzo engu-10 ngenyanga.

Rex uyi-AI futhi angenza amaphutha. Usebenza kumaseva ase-EU futhi imibuzo ayilokothi ilondolozwe. Ungalokothi uthayiphe igama lakho noma ezinye izinto zakho.

Umchithi wezinganekwane

Inganekwane: Abanye abantu bacabanga ukuthi u-Protognathosaurus uyisibankwa esingamanga noma esenziwe ngoba asiphelele neze.

Iqiniso: Yisibankwa sangempela, kodwa ososayensi abaningi basibheka njenge-nomen dubium, okusho ukuthi igama liyangabazeka ngoba insalela ayanele ukuba uqiniseke.1

Ochwepheshe bama-dino

Igama lesayensi: Protognathus
Iqanjwe ngu: Zhang 19883
Iqembu: Ama-sauropod
Umndeni / i-clade: Cetiosauridae3
Ukuhlukaniswa: Sauropodomorpha > Sauropoda3
Inkathi yamadwala: 171 kuya ku-155 wezigidi zeminyaka (Bajocian / Oxfordian)3
Izinsalela ezitholiwe: 1 ku-Paleobiology Database3
Ukutholakala: Ngo-1988, u-Zhang Yihun waqamba futhi wachaza uhlobo lwe-Protognathus oxyodon kusuka emhlathini owatholakala e-China. Ngo-1991, u-George Olshevsky walishintsha igama laba yi-Protognathosaurus ngoba igama elidala lase lisebenzisiwe.1
Kusaphikiswana ngakho: Ososayensi bayaphikisana ngokuthi u-Protognathosaurus uyisigaba esisemthethweni yini noma umane eyi-nomen dubium, ngoba insalela eyodwa kuphela isiqephu somhlathi.1

Lapho amaqiniso evela khona

Protognathosaurus (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Protognathus in The Paleobiology Database (CC BY 4.0): iminyaka, izindawo, izakhiwo zamadwala, ukuhlukaniswa.

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