Psephosaurus

Lebitso le bolela: “pebble lizard”1

E jele: DitlhapiDihahabi tsa lewatleTriasiki ya BoharengHa se dinosaure ho ya ka saense

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

Ntlha e monate: sehahabi sena sa lewatle se ne se sesa ha didinosaure di ntse di tsamaya naheng. Bohle ba di bitsa didinosaure, empa e ne e le lekala le leng la dihahabi.

E phetse

dilemo tse dimilione tse 247 ho isa ho 237 tse fetileng3

Triasiki ya Bohareng

Difosili di fumanwe ho

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

Lebelo le phahameng ka ho fetisisa

e ka bang 11 km/h (7 mph)

Ho sesa, kakanyo

E phetse neng?

Triasiki

Jurasiki

Kretase

Dilemo tse dimilione tse 252 tse fetileng20114566, asteroiti

E ne e le lebelo hakae?

Motho ya tsamayang ka maoto e ka bang 5 km/h (3 mph)

Psephosaurus e ka bang 11 km/h (7 mph)

Ngwana a palame baesekele e ka bang 12 km/h (7 mph)

Pere e mathang ka matla e ka bang 65 km/h (40 mph)

Lengau e ka bang 100 km/h (62 mph)

dintho tse monate

Dintlha tse monate

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

Setshwantsho sa Psephosaurus se entsweng ke AI — Setshwantsho se entsweng ke AI, se bontshang kamoo Psephosaurus e ka beng e ne e shebahala kateng, se entswe ke khomphutha ho ya ka seo bo-ramahlale ba se tsebang. Ke ho hakanya feela: phoofolo ya nnete e ka nna ya ba e ne e shebahala ka tsela e nngwe, mme ha ho motho ya tsebang mebala ya yona ya nnete.

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense: Psephosaurus
E rehilwe ke: Fraas 18963
Sehlopha: Dihahabi tsa lewatle
Lelapa / leloko: Placochelyidae3
Tlhophiso: Placodontia > Sauropterygia3
Dilemo tsa mafika: dilemo tse dimilione tse 247 ho isa ho 237 ()3
Dibopeho tsa mafika: Tarasci, Erfurt3
Dinaha: Iseraele, Turkey, Jeremane3
Direkoto tsa difosili: 4 ho The Paleobiology Database3
Ho sibollwa: 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
E sa ntse e phehwa kgang: 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

Moo dintlha di tswang teng

PBDB Taxon (paleobiodb.org)
Psephosaurus suevicus E. Fraas 1896 (exa.ai)
Psephosaurus in The Paleobiology Database (CC BY 4.0): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

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