Unktaheela

Hiika maqaa: “from the Lakota word for a mythical water creature”1

Kan nyaate: FoonPileesiyoosarootaKireetaashasii DhumaaSeera saayinsiitiin daayinoosarii miti

Unktaheela was a small, fast-swimming marine reptile that lived in the sea that once covered North America. It had a short neck, a big head with a long snout, and four flippers that worked like paddles. It was one of the smallest plesiosaurs ever found.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 84 hanga 72 dura3

Kireetaashasii Dhumaa

Fosiliiwwan kan itti argaman

Wyoming and South Dakota, USA3 1

Dheerina

2.3 hanga 2.6 m (7.5 hanga 8.5 ft)2

Saffisa ol'aanaa

gara 27 km/sa'a (17 mph)

Daakuu, tilmaama

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam dheeraa ture?

akka saree 2.5 funyaan hanga eegeetti dheeraaakka muuzii 14 walitti hiriiran dheeraadheerina bishaan daakaa guddaa (50 m) sekondii 6.7 keessatti daakuu danda'a

SI wajjin yoo wal bira qabamu, Unktaheela 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)

Unktaheela gara 27 km/sa'a (17 mph)

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

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

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

Unktaheela is the smallest known adult polycotylid plesiosaur, measuring only about 2.3 to 2.6 metres long.2

It had bony ledges over its large eyes that may have shaded them from sunlight, like built-in sunglasses.2

Its skull was wide at the back and short behind the eyes, which helped it spot and catch prey.2

Unktaheela lived about 80 million years ago in the Western Interior Seaway, a shallow sea that split North America in two.2

Scientists think Unktaheela was a visual pursuit predator, meaning it chased its food using its sharp eyesight.2

The first fossil of Unktaheela was found in 1975 near Redbird, Wyoming, but it was not named until 2024.1 2

Fakkii AI'n hojjetame: Unktaheela — Fakkii AI'n hojjetame kan Unktaheela 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.

Ogeeyyii daayinootiif

Maqaa saayinsii: Unktaheela
Kan maqaa baase: Clark et al. 20243
Garee: Pileesiyoosaroota
Maatii / kilaadii: Polycotylidae3
Ramaddii: Plesiosauria > Sauropterygia3
Umurii dhagaawwanii: waggaa miliyoona 84 hanga 72 (Campanian)3
Caasaawwan dhagaa: Sharon Springs3
Biyyoota: Ameerikaa3
Galmee fosilii: 2 The Paleobiology Database keessa3
Argannoo: Unktaheela was named in 2024 by Robert O. Clark, F. Robin O'Keefe, and Sara E. Slack based on two fossils from Wyoming and South Dakota.3 1
Ammallee falmisiisaa: Scientists are still debating exactly how Unktaheela used its unusual eye ledges and wide skull to hunt.2

Odeeffannoon eessaa dhufa

Unktaheela (en.wikipedia.org)
A new genus of small polycotylid plesiosaur from the Upper Cretaceous of the Western Interior Seaway and a clarification of the genus Dolichorhynchops (sciencedirect.com)
Unktaheela in The Paleobiology Database (CC BY 4.0): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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