Ikarita ya dinozore nimero 1417 muri 2 027

Phalarodon

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

Yaryaga: InyamaIktiyozoreTriyasike ya mbere kugeza Triyasike yo hagatiMu by'ukuri si dinozore

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

Akantu gashimishije: iki gikururanda cyo mu nyanja cyogaga mu gihe dinozore zagendaga ku butaka. Bose bakita dinozore, ariko cyari mu rindi shami ry'ibikururanda.

Yabayeho

hashize imyaka miliyoni 251 kugeza 2373

Triyasike ya mbere kugeza Triyasike yo hagati

Ibisigazwa byabonetse muri

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

Uburebure

1 kugeza 5 m (3,3 kugeza 16 ft)1

Umuvuduko wo hejuru

nka 46 km/h (29 mph)

Koga, igereranya

Yabayeho ryari?

Triyasike

Jurasike

Kiretase

Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yanganaga ite?

Yari ndende ite?

ndende nk'imbwa 5 zikurikiranyendende nk'imineke 28 ikurikiranyeyashoboraga koga uburebure bwa pisine nini (50 m) mu masegonda 3,9

Phalarodon yanganaga ite ugereranyije NAWE?

Ni imibare gusa ibarirwa muri mushakisha yawe. Nta kintu kibikwa cyangwa cyoherezwa ahandi.

Yihutaga ite?

Umuntu ugenda n'amaguru nka 5 km/h (3 mph)

Umwana ku igare nka 12 km/h (7 mph)

Phalarodon nka 46 km/h (29 mph)

Ifarashi yiruka cyane nka 65 km/h (40 mph)

Ingwe yihuta cyane nka 100 km/h (62 mph)

utuntu twiza cyane

Utuntu dushimishije

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

Ishusho ya Phalarodon yakozwe na AI — Ishusho yakozwe na AI yerekana uko Phalarodon ishobora kuba yari isa, yakozwe na mudasobwa hashingiwe ku byo abahanga bazi. Ni ugukeka gusa: inyamaswa nyayo ishobora kuba yari isa ukundi, kandi nta muntu uzi amabara yayo nyayo.

wabajije

Ibibazo bibazwa cyane kuri Phalarodon

?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

Ku bazobereye muri dinozore

Izina rya siyansi: Phalarodon
Yiswe na: Merriam 19103
Itsinda: Iktiyozore
Umuryango / ishami: Mixosauridae3
Ishyirwa mu byiciro: Ichthyosauria > Ichthyosauromorpha3
Imyaka y'amabuye: imyaka miliyoni 251 kugeza 237 ()3
Inzego z'amabuye: Sulphur Mountain, Guanling, Jena3
Ibihugu: Kanada, Ubudage, Amerika, Ubushinwa, Svalbard3
Ibisigazwa byanditswe: 14 muri The Paleobiology Database3
Ivumburwa: 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
Biracyagibwaho impaka: 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

Aho amakuru yakuwe

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): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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