Psephosaurus

Dzina limatanthauza: “pebble lizard”1

Ankadya: NsombaZokwawa za m'nyanjaPakati pa TriasikiKwenikweni si dainoso

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

Mfundo yosangalatsa: chokwawa cha m'nyanja ichi chinkasambira pamene madainoso ankayenda pamtunda. Aliyense amazitcha madino, koma zinali nthambi ina ya zokwawa.

Ankakhala

zaka 247 mpaka 237 miliyoni zapitazo3

Pakati pa Triasiki

Mafosili apezeka ku

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

Liwiro lalikulu kwambiri

pafupifupi 11 km/h (7 mph)

Kusambira, kuyerekeza

Ankakhala liti?

Triasiki

Jurasiki

Kretase

Zaka 252 miliyoni zapitazo20114566, asteroidi

Anali ndi liwiro lotani?

Munthu akuyenda pafupifupi 5 km/h (3 mph)

Psephosaurus pafupifupi 11 km/h (7 mph)

Mwana pa njinga pafupifupi 12 km/h (7 mph)

Hatchi ikuthamanga pafupifupi 65 km/h (40 mph)

Kakwiyo pafupifupi 100 km/h (62 mph)

zinthu zosangalatsa

Mfundo zosangalatsa

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

Chithunzi cha Psephosaurus chopangidwa ndi AI — Chithunzi cha momwe Psephosaurus mwina ankaonekera, chopangidwa ndi kompyuta kuchokera pa zomwe asayansi amadziwa. Ndi kungoyerekeza: nyama yeniyeniyo mwina inkaoneka mosiyana, ndipo palibe amene akudziwa mitundu yake yeniyeni.

Kwa akatswiri a madino

Dzina la sayansi: Psephosaurus
Anapatsidwa dzina ndi: Fraas 18963
Gulu: Zokwawa za m'nyanja
Banja / kladi: Placochelyidae3
Magawidwe a sayansi: Placodontia > Sauropterygia3
Zaka za miyala: zaka 247 mpaka 237 miliyoni ()3
Mapangidwe a miyala: Tarasci, Erfurt3
Mayiko: Israeli, Turkey, Jeremani3
Zolemba za mafosili: 4 mu The Paleobiology Database3
Kupezeka: 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
Akukambiranabe: 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

Kumene mfundo zimachokera

PBDB Taxon (paleobiodb.org)
Psephosaurus suevicus E. Fraas 1896 (exa.ai)
Psephosaurus in The Paleobiology Database (CC BY 4.0): zaka, malo, mapangidwe a miyala, magawidwe a sayansi.

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