Psephosaurus

Izina risobanura: “pebble lizard”1

Yaryaga: IfiIbikururanda byo mu nyanjaTriyasike yo hagatiMu by'ukuri si dinozore

Psephosaurus was a marine reptile that lived in the Middle Triassic seas, about 243 to 237 million years ago. It had a shell made of many small, pebble-like bones that protected its body. It swam in warm, shallow waters where it probably ate tiny floating creatures.1 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 247 kugeza 2373

Triyasike yo hagati

Ibisigazwa byabonetse muri

Germany (Baden-Württemberg), Israel, and Türkiye1 1

Umuvuduko wo hejuru

nka 11 km/h (7 mph)

Koga, igereranya

Yabayeho ryari?

Triyasike

Jurasike

Kiretase

Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yihutaga ite?

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

Psephosaurus nka 11 km/h (7 mph)

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

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

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

utuntu twiza cyane

Utuntu dushimishije

Psephosaurus had a carapace, or shell, made of many small, irregular bone plates called osteoderms. The big plates were separated by smaller pentagonal or hexagonal ones.2

Its name means 'pebble lizard' because its shell looked like a bunch of pebbles.1

Psephosaurus belonged to a group called placodonts, which were marine reptiles that often had crushing teeth for eating shellfish. But Psephosaurus may have been a filter feeder instead.1 1

The first fossils of Psephosaurus were found in Germany in the Hoheneck limestone, which was once an ancient estuary or bay.1

Psephosaurus lived during the Middle Triassic, about 243 to 237 million years ago, in the Longobardian age.1 1

Only one species of Psephosaurus is known: Psephosaurus suevicus. It was named by German paleontologist Eberhard Fraas in 1896.1 1

Ishusho ya Psephosaurus yakozwe na AI — Ishusho yakozwe na AI yerekana uko Psephosaurus 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.

Ku bazobereye muri dinozore

Izina rya siyansi: Psephosaurus
Yiswe na: Fraas 18963
Itsinda: Ibikururanda byo mu nyanja
Umuryango / ishami: Placochelyidae3
Ishyirwa mu byiciro: Placodontia > Sauropterygia3
Imyaka y'amabuye: imyaka miliyoni 247 kugeza 237 ()3
Inzego z'amabuye: Tarasci, Erfurt3
Ibihugu: Isirayeli, Turukiya, Ubudage3
Ibisigazwa byanditswe: 4 muri The Paleobiology Database3
Ivumburwa: Psephosaurus was named by German scientist Eberhard Fraas in 1896. The first fossils were found at Kugelberg near Ludwigsburg-Hoheneck in Germany, and they were pieces of a poorly preserved partial shell.1 2
Biracyagibwaho impaka: Scientists are not sure exactly what Psephosaurus ate. The PBDB lists its diet as 'suspension feeder', but other placodonts usually crushed shellfish, so its feeding habits are still debated.1 1

Aho amakuru yakuwe

PBDB Taxon (paleobiodb.org)
Psephosaurus suevicus E. Fraas 1896 (exa.ai)
Psephosaurus in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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