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Avalonnectes

Nkombo elingi koloba: “Avalon swimmer”1

Alyaki: MosuniBaplezozoreJurasiki ya ebandeliNa siansi, dinozore mpenza te

Avalonnectes was a small, early plesiosaur that swam in the seas near what is now England, about 200 million years ago. It had a short body and four flippers, and it was one of the very first plesiosaurs to appear after the Triassic,Jurassic extinction.1

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 201 kino 200 eleki4

Jurasiki ya ebandeli

Bafosile emonanaki na

Street, Somerset, England, United Kingdom3

Mbangu ya likolo

pene na 27 km/h (17 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)

Avalonnectes pene na 27 km/h (17 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

Avalonnectes had only 18 or 19 dorsal vertebrae, which is a very low number for a plesiosaur.1

Its skull was only about 180 mm long, making it one of the smallest plesiosaurs of its time.1

Avalonnectes lived in the earliest Jurassic, just after the Triassic,Jurassic extinction event, about 199.6 to 198 million years ago.3

The name Avalonnectes comes from Avalon, the legendary island of King Arthur, which is linked to Glastonbury near where the fossils were found.1

Avalonnectes is known from two partial skeletons, including the holotype NHMUK 14550, which has part of the skull and much of the body.3

It belonged to a group called Rhomaleosauridae, which were early plesiosaurs with short necks and large heads.2

Elilingi ya Avalonnectes esalemi na AI — Elilingi esalemi na AI oyo ezali kolakisa ndenge Avalonnectes 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.

Mpo na bayebi ya badino

Nkombo ya siansi: Avalonnectes
Nkombo epesamaki na: Benson et al. 20124
Lisanga: Baplezozore
Libota / klade: Rhomaleosauridae4
Klasifikasio: Plesiosauria > Sauropterygia4
Mbula ya mabanga: mbula milio 201 kino 200 (Hettangian)4
Milongo ya mabanga: Blue Lias4
Bikolo: Angeletere4
Bafosile oyo ekomami: 1 na The Paleobiology Database4
Ntango bamonaki yango: Avalonnectes was named in 2012 by Roger Benson and colleagues based on fossils collected in the 19th century from Street, Somerset, England. The species name arturi honors Arthur Cruickshank, a scientist who studied early plesiosaurs.1

Esika makambo euti

High Diversity, Low Disparity and Small Body Size in Plesiosaurs (Reptilia, Sauropterygia) from the Triassic, Jurassic Boundary | PLOS One (journals.plos.org)
PBDB Taxon (paleobiodb.org)
Avalonnectes (en.wikipedia.org)
Avalonnectes in The Paleobiology Database (CC BY 4.0): mbula, bisika, milongo ya mabanga, klasifikasio.

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