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Psephosaurus kartun
Dino kad No. 1494 wɔ 2 027 mu

Psephosaurus

Din no ase: “pebble lizard”1
Ɔdii: NsuomnamƐpo mu mmoa a wɔweaTriasik MfinimfiniNyansahu mu deɛ, ɔnyɛ dinosɔɔ

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.11

Asɛm a ɛyɛ anigye: ɛpo mu aboa a ɔwea yi guaree berɛ a dinosɔɔ nantew asase so. Obiara frɛ wɔn dino, nanso na wɔyɛ mmoa a wɔwea abusua foforɔ.
Ɔtenaa ase
mfeɛ ɔpepem 247 kɔsi 237 a atwam3
Triasik Mfinimfini
Wɔhunuu fɔsil wɔ
Germany (Baden-Württemberg), Israel, and Türkiye11
Ntɛmntɛm a ɛsen biara
bɛyɛ 11 km/h (7 mph)
Nsuguareɛ, nsusuiɛ

Berɛ bɛn na ɛtenaa ase?

Triasik
Jurasik
Kretasias
mfeɛ ɔpepem 252 a atwam20114566, ɔsoro ɛboɔ no

Na ɛyɛ ntɛm sɛn?

nneɛma a ɛyɛ fɛ

Nsɛm a ɛyɛ anigye

1

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

2

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

3

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.11

4

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

5

Psephosaurus lived during the Middle Triassic, about 243 to 237 million years ago, in the Longobardian age.11

6

Only one species of Psephosaurus is known: Psephosaurus suevicus. It was named by German paleontologist Eberhard Fraas in 1896.11

AI na ɛyɛeɛPsephosaurus mfonini a AI yɛeɛ
Yei yɛ Psephosaurus mfonini a AI yɛeɛ, sɛdeɛ ebia na ɔteɛ. Kɔmputa na ɛyɛeɛ firi deɛ nyansahufoɔ nim mu. Ɛyɛ nsusuiɛ: ebia na aboa ankasa no nte saa, na obiara nnim ne kɔla ankasa.

Ma dino ho animdefoɔ

Nyansahu din
Psephosaurus
Obi a ɔtoo din
Fraas 18963
Kuo
Ɛpo mu mmoa a wɔwea
Abusua / kuo kɛseɛ
Placochelyidae3
Nkyekyɛmu
Placodontia > Sauropterygia3
Abotan no mfeɛ
mfeɛ ɔpepem 247 kɔsi 237 ()3
Abotan nhyehyɛeɛ
Tarasci, Erfurt3
Aman
Israel, Turki, Gyaaman3
Fɔsil nkyerɛwee
4 wɔ The Paleobiology Database mu3
Nhunumu
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.12
Wɔda so gye ho akyinnye
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.11

Baabi a nsɛm no firi

  1. PBDB Taxon (paleobiodb.org)
  2. Psephosaurus suevicus E. Fraas 1896 (exa.ai)
  3. Psephosaurus in The Paleobiology Database (CC BY 4.0): mfeɛ, mmeaeɛ, abotan nhyehyɛeɛ, nkyekyɛmu.

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