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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
Cando viviu?
Como era de grande?
Canto medía de longo?
tan longo coma 4 gatos domésticos do fociño á cola🍌tan longo coma 10 plátanos postos un tras outro🏊podería nadar o longo dunha piscina grande (50 m) en 16 segundosComo era de grande Psephoderma comparado CONTIGO?
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Que velocidade alcanzaba?
Datos curiosos
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
As preguntas máis frecuentes sobre 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
Para expertos en dinos
- Nome científico
- Psephoderma
- Bautizado por
- von Meyer 18584
- Grupo
- Réptiles mariños
- Familia / clado
- Placochelyida4
- Clasificación
- Placodontia > Sauropterygia4
- Idade das rochas
- de 243 a 201 millóns de anos ()4
- Formacións rochosas
- Calcare di Zu, Kössener Schichten, Zorzino Limestone4
- Países
- Italia, Austria, Israel, Reino Unido4
- Rexistros fósiles
- 10 na Paleobiology Database4
- Tamén coñecido como
- Placochelyanus (nomes antigos que agora contan como o mesmo animal)4
- Descubrimento
- Psephoderma was named by German paleontologist Hermann von Meyer in 1858. Fossils have been found in the Alps and England.12
- Aínda en debate
- 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
De onde veñen os datos
- 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): idade, lugares, formacións rochosas, clasificación.
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