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Phalarodon

Hiika maqaa: “boss tooth, from Greek words for a cheek-plate boss and tooth”1

Kan nyaate: FoonIkteyoosarootaTiraayaasikii Jalqabaa hanga Tiraayaasikii GidduuSeera saayinsiitiin daayinoosarii miti

Phalarodon was a fast-swimming marine reptile that lived in the Triassic seas, not a dinosaur. It had a long body and a skull full of strong teeth for catching fish and squid.1

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 251 hanga 237 dura3

Tiraayaasikii Jalqabaa hanga Tiraayaasikii Gidduu

Fosiliiwwan kan itti argaman

Nevada, USA; Guizhou Province, China; Svalbard, Norway; British Columbia, Canada; Germany; Switzerland1 3

Dheerina

1 hanga 5 m (3.3 hanga 16 ft)1

Saffisa ol'aanaa

gara 46 km/sa'a (29 mph)

Daakuu, tilmaama

Yoom jiraate?

Tiraayaasikii

Juraasikii

Kireetaashasii

waggaa miliyoona 252 dura20114566, asteerooyidii

Hammam guddaa ture?

Hammam dheeraa ture?

akka saree 5 funyaan hanga eegeetti dheeraaakka muuzii 28 walitti hiriiran dheeraadheerina bishaan daakaa guddaa (50 m) sekondii 3.9 keessatti daakuu danda'a

SI wajjin yoo wal bira qabamu, Phalarodon 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)

Phalarodon gara 46 km/sa'a (29 mph)

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

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

wantoota bareedoo

Odeeffannoowwan bashannansiisoo

Phalarodon's name means 'boss tooth' because its teeth look like the boss on a helmet cheek-plate.1

It lived during the Middle Triassic, about 247 to 242 million years ago, when the supercontinent Pangaea was still together.1

Phalarodon could swim across the Tethys Ocean, as shown by fossils found in both Germany and China, which were on opposite sides of that ancient sea.1

Its skull had a high ridge on top called a sagittal crest, which helped anchor strong jaw muscles for a powerful bite.1

Some scientists think Phalarodon atavus had a skull up to 80 centimetres (2.6 feet) long, making it a large mixosaurid, but others say the fossils are too broken to be sure.1

Phalarodon shared its home with other marine reptiles like Cymbospondylus and Omphalosaurus in the Fossil Hill Member of Nevada.1

The teeth of Phalarodon were blunt and slightly flattened, perfect for crushing hard-shelled prey like ammonites.1

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

?How big was Phalarodon?

Scientists are not sure. Some estimate Phalarodon atavus could reach about 4.5 to 5 metres (15 to 16 feet) long, but others think it was only about 1 metre (3.3 feet) long like a small mixosaurid.1

?Could Phalarodon swim well?

Yes. A well-preserved fossil shows Phalarodon atavus was an adept swimmer that could cross the Tethys Ocean, since its fossils are found in both Germany and China.1 2

Ogeeyyii daayinootiif

Maqaa saayinsii: Phalarodon
Kan maqaa baase: Merriam 19103
Garee: Ikteyoosaroota
Maatii / kilaadii: Mixosauridae3
Ramaddii: Ichthyosauria > Ichthyosauromorpha3
Umurii dhagaawwanii: waggaa miliyoona 251 hanga 237 ()3
Caasaawwan dhagaa: Sulphur Mountain, Guanling, Jena3
Biyyoota: Kanaadaa, Jarmanii, Ameerikaa, Chaayinaa, Svaalbaard3
Galmee fosilii: 14 The Paleobiology Database keessa3
Argannoo: Phalarodon was named by John Campbell Merriam in 1910, based on a skull and jaw fragments found in the West Humboldt Range of Nevada, USA.1
Ammallee falmisiisaa: Scientists still debate whether Phalarodon was a small mixosaurid about 1 metre long or a larger one reaching up to 5 metres, because many fossils are just skull pieces.1

Odeeffannoon eessaa dhufa

Phalarodon (en.wikipedia.org)
The first specimen of the Middle Triassic Phalarodon atavus (Ichthyosauria: Mixosauridae) from South China, showing postcranial anatomy and peri-Tethyan distribution (onlinelibrary.wiley.com)
Phalarodon in The Paleobiology Database (CC BY 4.0): umurii, bakkeewwan, caasaawwan dhagaa, ramaddii.

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