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Protoichthyosaurus
Protoichthyosaurus was an ancient marine reptile that looked like a dolphin with a long snout and flippers. It swam in the warm, shallow seas that covered parts of England during the Early Jurassic, about 200 million years ago.1
Cando viviu?
Como era de grande?
Canto medía de longo?
tan longo coma 4 cans do fociño á cola🍌tan longo coma 22 plátanos postos un tras outro🏊podería nadar o longo dunha piscina grande (50 m) en 3,8 segundosComo era de grande Protoichthyosaurus comparado CONTIGO?
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Que velocidade alcanzaba?
Datos curiosos
Protoichthyosaurus was first named in 1979 by Robert M. Appleby, but for a while scientists thought it was just a type of Ichthyosaurus. In 2017, a new study showed it was a separate genus.1
There are two species: P. prostaxalis, which could reach up to 4 metres long, and the smaller P. applebyi, which was at most 2 metres long.1
Its flippers had a special arrangement of wrist bones that helped scientists tell it apart from other ichthyosaurs.1
Protoichthyosaurus had a large, triangular bone in its upper jaw (the maxilla) that stuck out farther than its nasal bones, a unique feature.1
Many of the fossils come from the Charles Moore collection, which sometimes mixed bones from different animals together, making it tricky for scientists.1
Its teeth had deep grooves running down to the roots, and they were firmly anchored in the jaw.1
As preguntas máis frecuentes sobre Protoichthyosaurus
?Was Protoichthyosaurus a dinosaur?
No, it was an ichthyosaur, a marine reptile that lived in the sea. Ichthyosaurs are not dinosaurs.1
?How big was Protoichthyosaurus?
It was medium sized. P. prostaxalis reached up to 4 metres (13 ft) long, while P. applebyi was smaller, at most 2 metres (6.6 ft).1
?What did Protoichthyosaurus eat?
Its teeth had deep grooves and were firmly rooted, which suggests it ate fish and other small sea animals, but the sources do not give a specific diet.1
Cazamitos
Mito: Protoichthyosaurus is a dinosaur.
Verdade: It is not a dinosaur. It is an ichthyosaur, a group of marine reptiles that lived in the sea at the same time as dinosaurs.1
Para expertos en dinos
- Nome científico
- Protoichthyosaurus
- Bautizado por
- Appleby 19794
- Grupo
- Ictiosauros
- Familia / clado
- Ichthyosauridae4
- Clasificación
- Ichthyosauria > Ichthyosauromorpha4
- Idade das rochas
- de 201 a 184 millóns de anos (Hettangian / Pliensbachian)4
- Formacións rochosas
- Blue Lias4
- Países
- Reino Unido4
- Rexistros fósiles
- 2 na Paleobiology Database4
- Descubrimento
- Robert M. Appleby named Protoichthyosaurus in 1979 based on fossils from Street, Somerset, England. The main specimen (BRLSI M3553) is a partial skeleton.12
- Aínda en debate
- Scientists are not sure if a third species, P. fortimanus, is really a separate species or just another name for one of the other two.1
De onde veñen os datos
- Protoichthyosaurus (en.wikipedia.org)
- The affinities of Liassic and later ichthyosaurs | The Palaeontological Association (palass.org)
- ‘Fake fin’ discovery reveals new ichthyosaur species (manchester.ac.uk)
- Protoichthyosaurus in The Paleobiology Database (CC BY 4.0): idade, lugares, formacións rochosas, clasificación.
Cada dato desta páxina ten un número que leva á súa fonte. Se nos equivocamos nalgo, sentímolo, somos fans dos dinos, non unha revista científica. Escríbenos a [email protected] e arranxámolo.
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