Gengasaurus

Igama lithetha: “Genga lizard”1

Yayitya: InyamaIi-ichthyosauriiJurassic yamva ukuya ku-iCretaceous yokuqalaNgokwenene ayisiyo dayinaso

Gengasaurus was a fast-swimming marine reptile that lived in the warm Jurassic seas. It looked a bit like a dolphin but was actually an ichthyosaur, not a dinosaur. It had a long snout full of sharp teeth for catching fish and squid.3 2

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

Yaphila

155 ukuya ku-143 izigidi zeminyaka eyadlulayo3

iJurassic yamva ukuya ku-iCretaceous yokuqala

Iifosili zifunyenwe:

Camponocecchio, Genga, Marche, Italy3 1

Esona santya siphezulu

malunga ne-46 km/h (29 mph)

Ukuqubha, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayikhawuleza kangakanani?

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

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

Gengasaurus malunga ne-46 km/h (29 mph)

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

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

izinto ezimnandi

Iinyani ezimnandi

Gengasaurus was named in 2017, but the fossil was actually discovered in 1976. It was called the 'Genga ichthyosaur' for many years before getting its official name.1

Two shark teeth from the order Hexanchiformes were found with the Gengasaurus fossil. Scientists think the sharks may have been scavenging on the dead ichthyosaur.2

Gengasaurus belongs to a group called Ophthalmosauridae, which means 'eye lizards'. These ichthyosaurs had very large eyes to see in dim water.3 2

The fossil was found in the Calcari ad aptici e Saccocoma Formation in Italy, which was once part of the warm Western Tethys Ocean.3 2

Gengasaurus lived about 152 million years ago, during the Late Jurassic period.1

Umfanekiso owenziwe yi-AI: Gengasaurus — Umfanekiso owenziwe yi-AI obonisa indlela Gengasaurus 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: Gengasaurus
Inikwe igama ngu:: Paparella et al. 20173
Iqela: Ii-ichthyosauri
Usapho / iclade: Ophthalmosauridae3
Ukuhlelwa: Ichthyosauria > Ichthyosauromorpha3
Ubudala bamatye: 155 ukuya ku-143 izigidi zeminyaka (Kimmeridgian / Tithonian)3
Izakhiwo zamatye: Calcari ad aptici e Saccocoma3
Amazwe: i-Itali3
Iirekhodi zeefosili: 1 kwi-Paleobiology Database3
Ukufunyanwa: The nearly complete skeleton was discovered in 1976 at Camponocecchio, Italy. It was first described in 1980 and 2000 as the 'Genga ichthyosaur', and finally named Gengasaurus nicosiai by Paparella and colleagues in a paper published in 2017.1 2
Kusaxoxwa ngayo: Scientists are not sure exactly where Gengasaurus fits in the ichthyosaur family tree. It shares features with both northern and southern hemisphere ophthalmosaurids, suggesting it may be a link between different groups.2

Apho iinyani zivela khona

Gengasaurus (en.wikipedia.org)
The first ophthalmosaurid ichthyosaur from the Upper Jurassic of the Umbrian, Marchean Apennines (Marche, Central Italy) (cambridge.org)
Gengasaurus in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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