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Katuni: Protoichthyosaurus
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Protoichthyosaurus

Zita rinoreva: “first fish lizard”1
Raidya: NyamaMaikitiyosauroJurassic YekutangaHarisi dhinosori chaizvo

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

Chokwadi chinonakidza: chinokambaira ichi chemugungwa chaishambira madhinosori achifamba panyika. Munhu wese anozviti madhino, asi zvaiva bazi rakasiyana rezvinokambaira.
Raivapo
makore mamiriyoni 201 kusvika 184 apfuura4
Jurassic Yekutanga
Mafosiri akawanikwa:
England (Dorset, Somerset, Nottinghamshire, Leicestershire, Warwickshire, Glamorgan in Wales) and possibly Switzerland1
Kureba
2 kusvika 4 m (6.6 kusvika 13 ft)1
Kumhanya kwepamusoro
kunenge 48 km/h (30 mph)
Kushambira, fungidziro

Rairarama rini?

Triassic
Jurassic
Cretaceous
makore mamiriyoni 252 apfuura20114566, dombo guru rakabva mudenga

Raiva hombe sei?

Raiva refu zvakadii?

Protoichthyosaurus kureba kunenge 4 m (13 ft)Bhasikoro remunhu mukuru kunenge 1.8 m (5.9 ft)Motokari kunenge 4.5 m (15 ft)Nzou, mhuka hombe kupfuura dzose dzepanyika nhasi kunenge 6.5 m (21 ft)
kureba seimbwa 4 kubva pamhino kusvika kumuswekureba semabhanana 22 akatevedzanaraigona kushambira kureba kwedziva guru rekushambira (50 m) mumasekonzi 3.8

Protoichthyosaurus raiva hombe sei kana richienzaniswa NEWE?

Masvomhu chete mubrowser yako. Hapana chinochengetwa kana kutumirwa kupi zvako.

Raimhanya zvakadii?

zvinhu zvinonakidza

Zvinonakidza

1

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

2

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

3

Its flippers had a special arrangement of wrist bones that helped scientists tell it apart from other ichthyosaurs.1

4

Protoichthyosaurus had a large, triangular bone in its upper jaw (the maxilla) that stuck out farther than its nasal bones, a unique feature.1

5

Many of the fossils come from the Charles Moore collection, which sometimes mixed bones from different animals together, making it tricky for scientists.1

6

Its teeth had deep grooves running down to the roots, and they were firmly anchored in the jaw.1

Zvakagadzirwa neAIMufananidzo wakagadzirwa neAI: Protoichthyosaurus
Mufananidzo wakagadzirwa neAI unoratidza kuti Protoichthyosaurus ringangodai raitaridzika sei, wakagadzirwa nekombiyuta kubva pane zvinozivikanwa nemasayendisiti. Ifungidziro chete: mhuka chaiyo ingangodai yaitaridzika zvakasiyana, uye hapana anoziva mavara ayo chaiwo.
wakabvunza

Mibvunzo inonyanya kubvunzwa nezve 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

?Where did Protoichthyosaurus live?

It lived in the Early Jurassic seas of southern England and possibly Switzerland. Fossils have been found in Somerset, Dorset, and other parts of the UK.13

Mubvisi wengano

Ngano: Protoichthyosaurus is a dinosaur.

Chokwadi: 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

Zvevanyanzvi vemadhino

Zita resainzi
Protoichthyosaurus
Akaripa zita:
Appleby 19794
Boka
Maikitiyosauro
Mhuri / boka
Ichthyosauridae4
Kurongwa kwemhuka
Ichthyosauria > Ichthyosauromorpha4
Zera rematombo
makore mamiriyoni 201 kusvika 184 (Hettangian / Pliensbachian)4
Mapoka ematombo
Blue Lias4
Nyika
United Kingdom4
Zvinyorwa zvemafosiri
2 mu The Paleobiology Database4
Kuwanikwa
Robert M. Appleby named Protoichthyosaurus in 1979 based on fossils from Street, Somerset, England. The main specimen (BRLSI M3553) is a partial skeleton.12
Zvichiri kupokanwa
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

Kunobva chokwadi

  1. Protoichthyosaurus (en.wikipedia.org)
  2. The affinities of Liassic and later ichthyosaurs | The Palaeontological Association (palass.org)
  3. ‘Fake fin’ discovery reveals new ichthyosaur species (manchester.ac.uk)
  4. Protoichthyosaurus in The Paleobiology Database (CC BY 4.0): zera, nzvimbo, mapoka ematombo, kurongwa kwemhuka.

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Mamwe kubva muboka rimwe chete: Maikitiyosauro

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Zvimwe zvenguva imwe chete: Jurassic Yekutanga

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