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Atopodentatus

Hiika maqaa: “unusual tooth”1

Kan nyaate: BiqiltootaHarkifattoota galaanaaTiraayaasikii GidduuSeera saayinsiitiin daayinoosarii miti

Atopodentatus was a weird marine reptile that lived in the sea about 245 million years ago. It had a hammer-shaped head and used its special teeth to scrape algae off rocks, like a underwater lawnmower.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 244 hanga 243 dura3

Tiraayaasikii Gidduu

Fosiliiwwan kan itti argaman

Luoping County, Yunnan Province, China1

Dheerina

2.75 m (9 ft)1

Saffisa ol'aanaa

gara 22 km/sa'a (14 mph)

Daakuu, tilmaama

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam dheeraa ture?

akka saree 3 funyaan hanga eegeetti dheeraaakka muuzii 15 walitti hiriiran dheeraadheerina bishaan daakaa guddaa (50 m) sekondii 8.2 keessatti daakuu danda'a

SI wajjin yoo wal bira qabamu, Atopodentatus 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)

Atopodentatus gara 22 km/sa'a (14 mph)

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

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

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

Atopodentatus is the oldest known plant-eating marine reptile. It lived about 6 million years after the great Permian extinction.2

Its head was shaped like a hammer, similar to a hammerhead shark. But Atopodentatus used its hammerhead for grazing on algae, not for sensing prey.2

The front of its jaws had chisel-shaped teeth for scraping algae. The back of its jaws had a mesh of needle-shaped teeth that acted like a strainer.2

Atopodentatus was about 2.75 meters (9 feet) long, about as long as a small car.1

Scientists first thought Atopodentatus had a downturned snout and was a filter feeder. But new skulls in 2016 showed it actually had a hammerhead.1

Atopodentatus lived in shallow seas near the coast, where algae grew on rocks. It probably could walk on land or mudflats.1

Fakkii AI'n hojjetame: Atopodentatus — Fakkii AI'n hojjetame kan Atopodentatus 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 Atopodentatus baay'ee gaafataman

?What did Atopodentatus eat?

Atopodentatus ate algae, scraping it off rocks with its chisel-shaped front teeth and filtering the bits with needle-like teeth in the back of its mouth.1 2

?How big was Atopodentatus?

Atopodentatus was about 2.75 meters (9 feet) long, roughly the size of a large dog.1

?Was Atopodentatus a dinosaur?

No, Atopodentatus was a marine reptile called a sauropterygian, not a dinosaur. It lived in the sea, not on land.1

?Why did Atopodentatus have a hammer-shaped head?

The hammer-shaped head helped Atopodentatus scrape algae off the seabed. Its wide jaws had chisel-like teeth for scraping, and the shape was unique among marine reptiles.2 1

?When did Atopodentatus live?

Atopodentatus lived about 247 to 240 million years ago, during the Middle Triassic period, about 6 million years after the Permian extinction.1

?Could Atopodentatus walk on land?

Scientists think Atopodentatus was semi-aquatic and could probably walk on land or mudflats, based on its body structure.1

Seenaa sobaa diigaa

Seenaa sobaa: Atopodentatus was a filter feeder that sucked up small animals from the seafloor.

Dhugaa: New fossils show it had a hammer-shaped head and used its front teeth to scrape algae, then filtered the plant bits through its back teeth. It was a plant eater.2

Ogeeyyii daayinootiif

Maqaa saayinsii: Atopodentatus
Kan maqaa baase: Cheng et al. 20143
Garee: Harkifattoota galaanaa
Maatii / kilaadii: Sauropterygia3
Ramaddii: Sauropterygia3
Umurii dhagaawwanii: waggaa miliyoona 244 hanga 243 ()3
Caasaawwan dhagaa: Guanling3
Biyyoota: Chaayinaa3
Galmee fosilii: 2 The Paleobiology Database keessa3
Argannoo: The first fossil of Atopodentatus was found near Daaozi village in Yunnan, China. Scientists named it in 2014. The name means 'unusual tooth' because of its strange teeth.1
Ammallee falmisiisaa: Scientists are not sure exactly how Atopodentatus is related to other marine reptiles. It is considered a strange type of sauropterygian.2

Odeeffannoon eessaa dhufa

Atopodentatus (en.wikipedia.org)
The earliest herbivorous marine reptile and its remarkable jaw apparatus | Science Advances (science.org)
Atopodentatus in The Paleobiology Database (CC BY 4.0): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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