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Igishushanyo cya Protoichthyosaurus
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Protoichthyosaurus

Izina risobanura: “first fish lizard”1
Yaryaga: InyamaIktiyozoreJurasike ya mbereMu by'ukuri si dinozore

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

Akantu gashimishije: iki gikururanda cyo mu nyanja cyogaga mu gihe dinozore zagendaga ku butaka. Bose bakita dinozore, ariko cyari mu rindi shami ry'ibikururanda.
Yabayeho
hashize imyaka miliyoni 201 kugeza 1844
Jurasike ya mbere
Ibisigazwa byabonetse muri
England (Dorset, Somerset, Nottinghamshire, Leicestershire, Warwickshire, Glamorgan in Wales) and possibly Switzerland1
Uburebure
2 kugeza 4 m (6,6 kugeza 13 ft)1
Umuvuduko wo hejuru
nka 48 km/h (30 mph)
Koga, igereranya

Yabayeho ryari?

Triyasike
Jurasike
Kiretase
Hashize miliyoni 252 z'imyaka20114566, asiteroyide

Yanganaga ite?

Yari ndende ite?

Protoichthyosaurus nka 4 m z'uburebure (13 ft)Igare ry'umuntu mukuru nka 1,8 m (5,9 ft)Imodoka nka 4,5 m (15 ft)Inzovu, inyamaswa nini kurusha izindi ziba ku butaka muri iki gihe nka 6,5 m (21 ft)
ndende nk'imbwa 4 zikurikiranyendende nk'imineke 22 ikurikiranyeyashoboraga koga uburebure bwa pisine nini (50 m) mu masegonda 3,8

Protoichthyosaurus yanganaga ite ugereranyije NAWE?

Ni imibare gusa ibarirwa muri mushakisha yawe. Nta kintu kibikwa cyangwa cyoherezwa ahandi.

Yihutaga ite?

utuntu twiza cyane

Utuntu dushimishije

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

Byakozwe na AIIshusho ya Protoichthyosaurus yakozwe na AI
Ishusho yakozwe na AI yerekana uko Protoichthyosaurus ishobora kuba yari isa, yakozwe na mudasobwa hashingiwe ku byo abahanga bazi. Ni ugukeka gusa: inyamaswa nyayo ishobora kuba yari isa ukundi, kandi nta muntu uzi amabara yayo nyayo.
wabajije

Ibibazo bibazwa cyane kuri 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

Gusenya ibinyoma

Ibivugwa: Protoichthyosaurus is a dinosaur.

Ukuri: 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

Ku bazobereye muri dinozore

Izina rya siyansi
Protoichthyosaurus
Yiswe na
Appleby 19794
Itsinda
Iktiyozore
Umuryango / ishami
Ichthyosauridae4
Ishyirwa mu byiciro
Ichthyosauria > Ichthyosauromorpha4
Imyaka y'amabuye
imyaka miliyoni 201 kugeza 184 (Hettangian / Pliensbachian)4
Inzego z'amabuye
Blue Lias4
Ibihugu
Ubwongereza4
Ibisigazwa byanditswe
2 muri The Paleobiology Database4
Ivumburwa
Robert M. Appleby named Protoichthyosaurus in 1979 based on fossils from Street, Somerset, England. The main specimen (BRLSI M3553) is a partial skeleton.12
Biracyagibwaho impaka
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

Aho amakuru yakuwe

  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): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.

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