Psephoderma
Psephoderma was a marine reptile that lived in the Late Triassic, about 210 million years ago. It had a flat skull and a shell made of two parts, like a turtle, and used its long snout to dig up shellfish from the seafloor.1
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ndende nk'injangwe 4 zo mu rugo zikurikiranye🍌ndende nk'imineke 10 ikurikiranye🏊yashoboraga koga uburebure bwa pisine nini (50 m) mu masegonda 16Psephoderma yanganaga ite ugereranyije NAWE?
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Utuntu dushimishije
Psephoderma had a long tail, up to about 80 cm (31 inches), covered in bony scutes.1
Its shell was split into two pieces: one over the ribs and another over the pelvis.1
The largest known Psephoderma fossil is 180 cm (5.9 feet) long.3
Its skull had a narrow, straight snout with grooves that led to the nostrils.1
Psephoderma had no teeth at the front of its mouth, only four large crushing teeth on each side of the palate.1
It lived in shallow, oxygen-rich waters near tidal channels, where it fed on shellfish like Modiolus and Isognomon.3

Ibibazo bibazwa cyane kuri Psephoderma
?Was Psephoderma a dinosaur?
No, Psephoderma was not a dinosaur. It was a marine reptile called a placodont, which is a type of sauropterygian.1
?How big was Psephoderma?
Psephoderma grew up to 180 centimetres (5.9 feet) long, which is about as long as a bathtub.1
?What did Psephoderma eat?
Psephoderma ate shellfish like Modiolus and Isognomon. It used its long snout to dig them up and crushed them with its large, flat teeth.3
?Could Psephoderma swim?
Yes, Psephoderma could swim. Its shell was streamlined for swimming, and it used its paddle-like limbs to move through the water.3
Ku bazobereye muri dinozore
- Izina rya siyansi
- Psephoderma
- Yiswe na
- von Meyer 18584
- Itsinda
- Ibikururanda byo mu nyanja
- Umuryango / ishami
- Placochelyida4
- Ishyirwa mu byiciro
- Placodontia > Sauropterygia4
- Imyaka y'amabuye
- imyaka miliyoni 243 kugeza 201 ()4
- Inzego z'amabuye
- Calcare di Zu, Kössener Schichten, Zorzino Limestone4
- Ibihugu
- Ubutaliyani, Otirishiya, Isirayeli, Ubwongereza4
- Ibisigazwa byanditswe
- 10 muri The Paleobiology Database4
- Izwi kandi ku izina rya
- Placochelyanus (amazina ya kera ubu abarwa nk'inyamaswa imwe)4
- Ivumburwa
- Psephoderma was named by German paleontologist Hermann von Meyer in 1858. Fossils have been found in the Alps and England.12
- Biracyagibwaho impaka
- Scientists are not sure if Psephoderma used its shell mainly for defense or for swimming, but some think it was shaped to help it glide through water.3
Aho amakuru yakuwe
- Psephoderma (en.wikipedia.org)
- PBDB Taxon (paleobiodb.org)
- FUNCTIONAL MORPHOLOGY AND MODE OF LIFE OF THE LATE TRIASSIC PLACODONT PSEPHODERMA ALPINUM MEYER FROM THE CALCARE DI ZORZINO (LOMBARDY, N ITALY) | RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA (riviste.unimi.it)
- Psephoderma in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.
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