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Portunatasaurus

Hiika maqaa: “Dugi Otok lizard”1

Kan nyaate: FoonMoosaasarootaKireetaashasii DhumaaSeera saayinsiitiin daayinoosarii miti

Portunatasaurus was a small marine lizard that swam in warm seas during the time of the dinosaurs. It was only about 1 meter long, as long as a big skateboard, and had a long body and special flipper-like arms.1 2

Odeeffannoo bashannansiisaa: harkifataan galaanaa kun yeroo daayinoosarootni lafa irra deemaa turan daakaa ture. Namni hundi daayinoo jedhee isaan waama, garuu damee harkifattootaa adda ta'e turan.

Kan jiraate

waggaa miliyoona 100 hanga 90 dura4

Kireetaashasii Dhumaa

Fosiliiwwan kan itti argaman

Dugi Otok island, Croatia1 2

Dheerina

1 m (3.3 ft)1

Saffisa ol'aanaa

gara 12 km/sa'a (7 mph)

Daakuu, tilmaama

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam dheeraa ture?

akka adurree manaa 2 funyaan hanga eegeetti dheeraaakka muuzii 6 walitti hiriiran dheeraadheerina bishaan daakaa guddaa (50 m) sekondii 15 keessatti daakuu danda'a

SI wajjin yoo wal bira qabamu, Portunatasaurus hammam guddaa ture?

Herrega qofa barbaadduu kee keessatti. Wanti tokkollee hin olkaa'amu, eessayyuu hin ergamu.

Hammam saffisaa ture?

Nama miilaan deemu gara 5 km/sa'a (3 mph)

Daa'ima saayikilii irra jiru gara 12 km/sa'a (7 mph)

Portunatasaurus gara 12 km/sa'a (7 mph)

Farda gulufu gara 65 km/sa'a (40 mph)

Cheetaa gara 100 km/sa'a (62 mph)

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

Portunatasaurus had 10 small bones in its wrist, like land lizards, but also a flattened first finger bone like later sea lizards.2

Its arm was a mix between a walking leg and a swimming paddle, showing how lizards slowly turned into sea swimmers.2

The only skeleton found was almost complete from the neck to the hips, with a perfectly preserved right arm.2

It lived about 100 to 90 million years ago, during the Cenomanian and Turonian ages of the Late Cretaceous.3

Portunatasaurus is the third and youngest aigialosaur (a type of early marine lizard) found in Croatia.2

Fakkii AI'n hojjetame: Portunatasaurus — Fakkii AI'n hojjetame kan Portunatasaurus maal fakkaachuu akka danda'u agarsiisu, kompiitaraan beekumsa saayintistootaa irratti hundaa'uun hojjetame. Tilmaama qofa: bineensi dhugaa adda ta'ee mul'achuu danda'a, halluu isaa dhugaa immoo namni beeku hin jiru.

ati gaafatte

Gaaffiiwwan waa'ee Portunatasaurus baay'ee gaafataman

?Is Portunatasaurus a dinosaur?

No, it is a mosasauroid marine lizard, not a dinosaur.1

?How big was Portunatasaurus?

About 1 meter (3.3 feet) long, as long as a big skateboard.1

?What did Portunatasaurus eat?

Scientists do not know for sure, but its jaws were not found, so it is unknown what it ate.2

?Where was Portunatasaurus found?

It was found on the island of Dugi Otok in Croatia.1 4

Ogeeyyii daayinootiif

Maqaa saayinsii: Portunatasaurus
Kan maqaa baase: Campbell Mekarski et al. 20194
Garee: Moosaasaroota
Maatii / kilaadii: Mosasauroidea4
Ramaddii: Mosasauroidea4
Umurii dhagaawwanii: waggaa miliyoona 100 hanga 90 (Cenomanian / Turonian)4
Biyyoota: Kiroowaashiyaa4
Galmee fosilii: 1 The Paleobiology Database keessa4
Argannoo: The skeleton was found in 2008 on the island of Dugi Otok in Croatia. Scientists Michelle Mekarski, Dražen Japundžić, Katarina Krizmanić and Michael Caldwell named it Portunatasaurus krambergeri in 2019.1 2
Ammallee falmisiisaa: Scientists are still debating whether its paddle-like arm evolved earlier in mosasaur history or evolved more than once.2

Odeeffannoon eessaa dhufa

Portunatasaurus (en.wikipedia.org)
Description of a new basal mosasauroid from the Late Cretaceous of Croatia, with comments on the evolution of the mosasauroid forelimb (exa.ai)
PBDB Taxon (paleobiodb.org)
Portunatasaurus in The Paleobiology Database (CC BY 4.0): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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