Karte ya dino No. 1173 kati na 2 027

Metashastasaurus

Nkombo elingi koloba: “near Shastasaurus”1

Alyaki: MosuniBaiktiozoreTriasiki ya nsukaNa siansi, dinozore mpenza te

Metashastasaurus was a huge marine reptile that swam in the oceans during the Late Triassic, about 227 to 205 million years ago. It was not a dinosaur, but a kind of ichthyosaur, with a body like a dolphin and a long snout. It lived in the seas near what is now British Columbia, Canada.1 2

Likambo ya kosepelisa: reptile oyo ya mbu azalaki kobeta mai ntango badinozore bazalaki kotambola na mabele. Bato nyonso babengaka bango badino, kasi bazalaki libota mosusu ya bareptile.

Azalaki na bomoi

mbula milio 227 kino 206 eleki3

Triasiki ya nsuka

Bafosile emonanaki na

Fossils were found in the Pardonet Formation of British Columbia, Canada.2

Mbangu ya likolo

pene na 46 km/h (29 mph)

Kobeta mai, kokanisa

Azalaki na bomoi ntango nini?

Triasiki

Jurasiki

Kretase

Mbula milio 252 eleki20114566, asteroide

Azalaki na mbangu boni?

Moto oyo azali kotambola pene na 5 km/h (3 mph)

Mwana na velo pene na 12 km/h (7 mph)

Metashastasaurus pene na 46 km/h (29 mph)

Mpunda oyo azali kopota mbangu pene na 65 km/h (40 mph)

Nkoi ya mbangu pene na 100 km/h (62 mph)

makambo ya kitoko

Makambo ya kosepelisa

Metashastasaurus was first named in 2001 by scientists Nicholls and Manabe.1

Its skeleton is very similar to other shastasaurid ichthyosaurs, but its shoulder blade and fibula (a leg bone) are shaped differently.2

Its skull has large diamond-shaped frontals (bones on top of the head) that enter the supratemporal fenestrae, which are openings in the skull.2

It had four proximal carpals (wrist bones) and four digits in its front limb, showing that earlier reconstructions were based on incomplete material.2

Metashastasaurus lived in a marine environment and was nektonic, meaning it swam actively in the open water.1

It gave birth to live young, like other ichthyosaurs, rather than laying eggs.1

Elilingi ya Metashastasaurus esalemi na AI — Elilingi esalemi na AI oyo ezali kolakisa ndenge Metashastasaurus akokaki kozala. Ordinatere esalaki yango na makambo oyo bato ya siansi bayebi. Ezali kaka kokanisa: nyama ya solo akokaki kozala ndenge mosusu, mpe moto moko te ayebi balangi na ye ya solo.

Mobuki masapo

Lisapo: Some people think Metashastasaurus was a dinosaur because it lived in the same time as dinosaurs.

Solo: Metashastasaurus was an ichthyosaur, a marine reptile, not a dinosaur. Ichthyosaurs lived in the sea and had fish-like bodies, while dinosaurs were land reptiles.1

Mpo na bayebi ya badino

Nkombo ya siansi: Metashastasaurus
Nkombo epesamaki na: Nicholls and Manabe 20013
Lisanga: Baiktiozore
Libota / klade: Shastasauridae3
Klasifikasio: Ichthyosauria > Ichthyosauromorpha3
Mbula ya mabanga: mbula milio 227 kino 206 (Norian)3
Milongo ya mabanga: Pardonet3
Bikolo: Kanada3
Bafosile oyo ekomami: 2 na The Paleobiology Database3
Ntango bamonaki yango: Metashastasaurus was named by Nicholls and Manabe in 2001 after they studied new specimens from Pink Mountain, British Columbia. These specimens showed that the species previously called Shastasaurus neoscapularis was different enough to be placed in a new genus.2
Naino bazali kowelana: Scientists are still debating whether the genus Shastasaurus is valid, because its type species is based on poor fossils. Metashastasaurus was created to help clarify this, but the relationships between these ichthyosaurs are still not fully settled.2

Esika makambo euti

PBDB Taxon (paleobiodb.org)
A new genus of ichthyosaur from the Late Triassic... : Canadian Journal of Earth Sciences (ovid.com)
Metashastasaurus in The Paleobiology Database (CC BY 4.0): mbula, bisika, milongo ya mabanga, klasifikasio.

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