Hastanectes

Igama lithetha: “spear swimmer”3

Yayitya: InyamaIiplesiosauriiCretaceous yokuqalaNgokwenene ayisiyo dayinaso

Hastanectes was a plesiosaur, a marine reptile that lived in the seas around what is now England and Germany. It had a long neck, flippers, and a mouth full of teeth to catch fish. It swam in warm, shallow waters during the Early Cretaceous period.3 1

Inyani emnandi: esi sirhubuluzi saselwandle sasiqubha ngelixa iidayinaso zazihamba emhlabeni. Wonke umntu uzibiza ngokuba ziidayinaso, kodwa zazilisebe elahlukileyo lezirhubuluzi.

Yaphila

139 ukuya ku-133 izigidi zeminyaka eyadlulayo3

iCretaceous yokuqala

Iifosili zifunyenwe:

United Kingdom (England) and Germany (Nordrhein-Westfalen)3

Ubude

4 ukuya ku-5 m (13 ukuya ku-16 ft)2

Esona santya siphezulu

malunga ne-28 km/h (17 mph)

Ukuqubha, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Yayinde kangakanani?

inde njengezinja ezingama-5, impumlo ukuya emsileniinde njengeebhanana ezingama-28 zilandelelanaibinokuqubha ubude bechibi elikhulu lokuqubha (50 m) ngemizuzwana engama-6.4

Hastanectes wayemkhulu kangakanani xa ethelekiswa NAWE?

Yimathematika nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwe naphi na.

Yayikhawuleza kangakanani?

Umntu ohambayo malunga ne-5 km/h (3 mph)

Umntwana ekhwele ibhayisikile malunga ne-12 km/h (7 mph)

Hastanectes malunga ne-28 km/h (17 mph)

Ihashe elibaleka ngamandla malunga ne-65 km/h (40 mph)

Ingwenkala malunga ne-100 km/h (62 mph)

izinto ezimnandi

Iinyani ezimnandi

Hastanectes was named in 2013 by scientists Benson, Ketchum, Naish, and Turner.3 1

Its name means 'spear swimmer' in Greek, because of its long, pointed snout.3

Hastanectes lived about 139 to 132 million years ago, during the Early Cretaceous.3

It was originally thought to be a species of Cimoliasaurus, another plesiosaur.1

Fossils of Hastanectes have been found in the Wadhurst Clay Formation of England and the Bückeberg Formation of Germany.3

Scientists are unsure if Hastanectes belongs to the plesiosaur family Leptocleididae or the pliosaur family Pliosauridae.3 1

Umfanekiso owenziwe yi-AI: Hastanectes — Umfanekiso owenziwe yi-AI obonisa indlela Hastanectes esenokuba wayekhangeleka ngayo, wenziwe yikhompyutha ngokwento eyaziwa zizazinzulu. Kukuqikelela nje: esona silwanyana sinokuba sasikhangeleka ngenye indlela, kwaye akukho mntu waziyo imibala yaso yokwenyani.

Kwiingcali zeedayinaso

Igama lenzululwazi: Hastanectes
Inikwe igama ngu:: Benson et al. 20133
Iqela: Iiplesiosauri
Usapho / iclade: Leptocleididae3
Ukuhlelwa: Plesiosauria > Sauropterygia3
Ubudala bamatye: 139 ukuya ku-133 izigidi zeminyaka (Berriasian / Valanginian)3
Izakhiwo zamatye: Wadhurst Clay, Bückeberg3
Amazwe: iUnited Kingdom, iJamani3
Iirekhodi zeefosili: 6 kwi-Paleobiology Database3
Ukufunyanwa: Hastanectes was first named in 2013 by a team of scientists who re-examined old fossils that had been called Cimoliasaurus valdensis since 1889. The fossils came from the Wadhurst Clay of England.1
Kusaxoxwa ngayo: Scientists still debate whether Hastanectes is a leptocleidid plesiosaur or a pliosaur, because its fossils share features of both groups.3 1

Apho iinyani zivela khona

Hastanectes (en.wikipedia.org)
Hastanectes (nl.wikipedia.org)
Hastanectes in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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