Haestasaurus

Igama lisho ukuthi: “Isibankwa sika-Haesta, esaqanjwa ngenduna yase-Hastings”1

Udla: IzitshaloAma-sauropodEarly Cretaceous

I-Haestasaurus kwakuyisilwane esikhulu esinentamo ende esasidla izitshalo eNgilandi ngesikhathi se-Early Cretaceous. Saziwa kakhulu ngamathambo aso engalo kanye nocezu lwesikhumba esafukuzwa, okwakuyisikhumba sokuqala sedayinaso esake satholakala ososayensi!4 2

Yaphila

139 kuya ku-133 wezigidi zeminyaka edlule4

Early Cretaceous

Izinsalela ezitholwe e-

Eduze kwase-Hastings, e-East Sussex, eningizimu-mpumalanga yeNgilandi, e-United Kingdom4 1

Isivinini esiphezulu

cishe 15 km/h (9 mph)

Ukugijima, isilinganiso

I-Haestasaurus yayidla ini?

I-Haestasaurus yayidla izitshalo. Yayiyi-sauropod enentamo ende eyayidla imifino eNgilandi ngesikhathi se-Early Cretaceous.

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)

Haestasaurus 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

I-Haestasaurus yaziwa ngethambo lengalo engenhla (humerus), ithambo lengalo engaphansi (ulna), i-radius, kanye nophawu lwesikhumba. Lesi sikhumba kwaba yisikhumba sokuqala sedayinaso esake saqashelwa yisayensi.1 2

Ososayensi badala igama elisha elithi Haestasaurus ngo-2015 ngoba igama elidala elithi Pelorosaurus lalisetshenziselwa amathambo ahlukene ezifundweni zangaphambilini.1

Amathambo avela eqenjini i-Hastings Beds Group, elineminyaka ecishe ibe ngu-139 kuya ku-133 million (Early Cretaceous).4

I-Haestasaurus yayinethambo lengalo engaphansi (ulna) eliwugqinsi futhi eliqinile kodwa inethambo le-radius elincane eceleni kwalo. Lokho kuhlanganiswa okungajwayelekile kusiza ososayensi ukuba bayihlukanise namanye ama-sauropod.1

Ithambo lengalo engenhla lalinophawu olufana nehhuku ekhoneni elingaphansi elingaphakathi. Leli phawu luyisici esiyingqayizivele esingabonakali kunoma yimuphi omunye u-sauropod.1

I-Haestasaurus ihlukaniswa njenge-macronarian, iqembu lama-sauropod elihlanganisa ama-titanosaur amakhulu. Kodwa ososayensi abaqiniseki ukuthi yayiyisidalwa sokuqala se-titanosaur noma umzala wayo oseduze.1

Uphawu lwesikhumba lubonisa izikali ezincane, eziyindilinga. Lokhu kwaba wubufakazi bokuqala obuqondile bokuthi ama-sauropod ayenesikhumba esinezikali, hhayi izimpaphe.2

Isithombe sika-Haestasaurus 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.

ubuzile

Imibuzo ebuzwa kakhulu mayelana no-Haestasaurus

?I-Haestasaurus yayinkulu kangakanani?

Ososayensi abaqiniseki ngobukhulu bayo obuphelele ngoba kwaziwa kuphela ingalo yangaphambili. Ithambo lengalo engenhla (humerus) lingamamillimeter angu-599 (cishe ama-60 cm) ubude, i-ulna ingamamillimeter angu-421, kanti i-radius ingamamillimeter angu-404.3

?I-Haestasaurus yayidla ini?

I-Haestasaurus yayidla izitshalo. Yayiyi-sauropod enentamo ende eyayidla imifino eNgilandi ngesikhathi se-Early Cretaceous.3

?Ingabe i-Haestasaurus yayinezimpaphe?

Cha, i-Haestasaurus yayinesikhumba esinezikali, hhayi izimpaphe. Isikhumba sayo esifukuzwe ematsheni sibonisa izikali ezincane, eziyindilinga, futhi kwaba yisikhumba sokuqala sedayinaso esake satholakala ososayensi.3 1

Ochwepheshe bama-dino

Igama lesayensi: Haestasaurus
Iqanjwe ngu: Upchurch et al. 20154
Iqembu: Ama-sauropod
Umndeni / i-clade: Eusauropoda4
Ukuhlukaniswa: Sauropodomorpha > Sauropoda4
Inkathi yamadwala: 139 kuya ku-133 wezigidi zeminyaka (Berriasian / Valanginian)4
Izakhiwo zamatshe: Hastings Beds4
Amazwe: United Kingdom4
Izinsalela ezitholiwe: 1 ku-Paleobiology Database4
Ukutholakala: Amathambo atholakala ngo-1852 eduze kwase-Hastings, eNgilandi. Lolu hlobo lwaqala ukubizwa ngokuthi i-Pelorosaurus becklesii ngu-Gideon Mantell ngo-1852, kodwa kamuva lathuthelwa ohlotsheni olusha, i-Haestasaurus, ngu-Paul Upchurch nozakwabo ngo-2015.1
Kusaphikiswana ngakho: Ososayensi abaqiniseki ukuthi i-Haestasaurus yayiyilungu lokuqala leqembu lama-titanosaur noma yayiwuhlobo oluhlukile lwe-macronarian sauropod.1

Lapho amaqiniso evela khona

The Anatomy and Phylogenetic Relationships of “Pelorosaurus“ becklesii (Neosauropoda, Macronaria) from the Early Cretaceous of England | PLOS One (journals.plos.org)
Newly detected data from Haestasaurus and review of sauropod skin morphology suggests Early Jurassic origin of skin papillae | Communications Biology (nature.com)
Haestasaurus (en.wikipedia.org)
Haestasaurus in The Paleobiology Database (CC BY 4.0): iminyaka, izindawo, izakhiwo zamadwala, ukuhlukaniswa.

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