Karte ya dino No. 0071 kati na 2 027

Alexandronectes

Nkombo elingi koloba: “Alexander's swimmer, after Alexander McKay who found the fossils”1

Alyaki: MosuniBaplezozoreKretase ya nsukaNa siansi, dinozore mpenza te

Alexandronectes was a long-necked marine reptile that swam in the seas around New Zealand near the end of the Age of Dinosaurs. It was a type of plesiosaur called an elasmosaurid, with a big head and a short neck compared to other elasmosaurids. It used its strong flippers to paddle through the water and hunt for fish and squid.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 84 kino 66 eleki4

Kretase ya nsuka

Bafosile emonanaki na

Waipara River, north of Christchurch, Canterbury, New Zealand3 1

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)

Alexandronectes 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

Alexandronectes was a type of plesiosaur called an aristonectine, a group known for having unusually large skulls compared to other elasmosaurids.1

Its skull was smaller than those of other aristonectines like Kaiwhekea and Aristonectes, showing that not all members of this group were giants.1

The fossils of Alexandronectes were collected in 1872 by Alexander McKay, a famous New Zealand fossil hunter, but scientists did not name the animal until 2016.1 3

Its name means 'Alexander's swimmer from Zealandia', referring to the ancient continent that New Zealand is part of.1

Alexandronectes lived about 70 million years ago, during the early Maastrichtian stage of the Late Cretaceous.1 3

The only known fossils are two pieces of the back of the skull, which were originally thought to belong to two different animals.1

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

otunaki

Mituna oyo batunaka mingi na ntina na Alexandronectes

?Was Alexandronectes a dinosaur?

No, it was a plesiosaur, a type of long-necked marine reptile that lived in the oceans, not a dinosaur.3

?How big was Alexandronectes?

Scientists do not know its exact size because only parts of its skull have been found. Its skull was smaller than those of other aristonectines like Kaiwhekea and Aristonectes.3 1

?What did Alexandronectes eat?

It likely ate fish and squid, using its strong flippers to paddle through the water and hunt.3

Mpo na bayebi ya badino

Nkombo ya siansi: Alexandronectes
Nkombo epesamaki na: Otero et al. 20164
Lisanga: Baplezozore
Libota / klade: Elasmosauridae4
Klasifikasio: Plesiosauria > Elasmosauridae > Sauropterygia4
Mbula ya mabanga: mbula milio 84 kino 66 (Campanian / Maastrichtian)4
Milongo ya mabanga: Conway4
Bikolo: Zelandi ya Sika4
Bafosile oyo ekomami: 1 na The Paleobiology Database4
Ntango bamonaki yango: The fossils were found in 1872 by Alexander McKay near the Waipara River in New Zealand. They were stored at the Canterbury Museum for over 140 years before being studied and named Alexandronectes zealandiensis in 2016.1 3
Naino bazali kowelana: Scientists are not sure exactly how big Alexandronectes was, because only a partial skull has been found.1

Esika makambo euti

UJVP_A_1054494_O (sedici.unlp.edu.ar)
PBDB Taxon (paleobiodb.org)
Alexandronectes (en.wikipedia.org)
Alexandronectes in The Paleobiology Database (CC BY 4.0): mbula, bisika, milongo ya mabanga, klasifikasio.

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