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Chithunzi choseketsa cha Protoichthyosaurus
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Protoichthyosaurus

Dzina limatanthauza: “first fish lizard”1
Ankadya: NyamaMaikitiosauriKumayambiriro kwa JurasikiKwenikweni si dainoso

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

Mfundo yosangalatsa: chokwawa cha m'nyanja ichi chinkasambira pamene madainoso ankayenda pamtunda. Aliyense amazitcha madino, koma zinali nthambi ina ya zokwawa.
Ankakhala
zaka 201 mpaka 184 miliyoni zapitazo4
Kumayambiriro kwa Jurasiki
Mafosili apezeka ku
England (Dorset, Somerset, Nottinghamshire, Leicestershire, Warwickshire, Glamorgan in Wales) and possibly Switzerland1
Utali
2 mpaka 4 m (6.6 mpaka 13 ft)1
Liwiro lalikulu kwambiri
pafupifupi 48 km/h (30 mph)
Kusambira, kuyerekeza

Ankakhala liti?

Triasiki
Jurasiki
Kretase
Zaka 252 miliyoni zapitazo20114566, asteroidi

Anali wamkulu bwanji?

Anali wautali bwanji?

Protoichthyosaurus utali wa pafupifupi 4 m (13 ft)Njinga ya munthu wamkulu pafupifupi 1.8 m (5.9 ft)Galimoto pafupifupi 4.5 m (15 ft)Njovu, nyama yaikulu kwambiri pamtunda masiku ano pafupifupi 6.5 m (21 ft)
wautali ngati agalu 4 otsatizana mphuno ndi mchirawautali ngati nthochi 22 zotsatizanaakanatha kusambira utali wa dziwe lalikulu losambira (50 m) m'masekondi 3.8

Protoichthyosaurus anali wamkulu bwanji poyerekeza ndi IWEYO?

Ndi masamu chabe mu msakatuli wako. Palibe chimene chimasungidwa kapena kutumizidwa kwina kulikonse.

Anali ndi liwiro lotani?

zinthu zosangalatsa

Mfundo zosangalatsa

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

Chopangidwa ndi AIChithunzi cha Protoichthyosaurus chopangidwa ndi AI
Chithunzi cha momwe Protoichthyosaurus mwina ankaonekera, chopangidwa ndi kompyuta kuchokera pa zomwe asayansi amadziwa. Ndi kungoyerekeza: nyama yeniyeniyo mwina inkaoneka mosiyana, ndipo palibe amene akudziwa mitundu yake yeniyeni.
mwafunsa

Mafunso ofunsidwa kwambiri okhudza 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

Wothetsa nthano zabodza

Nthano: Protoichthyosaurus is a dinosaur.

Zoona: 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

Kwa akatswiri a madino

Dzina la sayansi
Protoichthyosaurus
Anapatsidwa dzina ndi
Appleby 19794
Gulu
Maikitiosauri
Banja / kladi
Ichthyosauridae4
Magawidwe a sayansi
Ichthyosauria > Ichthyosauromorpha4
Zaka za miyala
zaka 201 mpaka 184 miliyoni (Hettangian / Pliensbachian)4
Mapangidwe a miyala
Blue Lias4
Mayiko
United Kingdom4
Zolemba za mafosili
2 mu The Paleobiology Database4
Kupezeka
Robert M. Appleby named Protoichthyosaurus in 1979 based on fossils from Street, Somerset, England. The main specimen (BRLSI M3553) is a partial skeleton.12
Akukambiranabe
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

Kumene mfundo zimachokera

  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): zaka, malo, mapangidwe a miyala, magawidwe a sayansi.

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