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Khathunu ya Protoichthyosaurus
Karata ya dino No. 1489 mo go 2 027

Protoichthyosaurus

Leina le raya: “first fish lizard”1
E jele: NamaDiikhithiosoroTshimologo ya JurassicKa saense, ga se dinosoro

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

Ntlha e e monate: segagabi seno sa lewatle se ne se thuma fa dinosoro di ne di tsamaya mo lefatsheng. Mongwe le mongwe o di bitsa didino, mme e ne e le lekala le lengwe la digagabi.
E tshetse
dimilione tsa dingwaga di le 201 go ya go 184 tse di fetileng4
Tshimologo ya Jurassic
Difosili di fitlhetswe kwa
England (Dorset, Somerset, Nottinghamshire, Leicestershire, Warwickshire, Glamorgan in Wales) and possibly Switzerland1
Boleele
2 go ya go 4 m (6.6 go ya go 13 ft)1
Bonako jo bogolo
e ka nna 48 km/h (30 mph)
Go thuma, kakanyo

E tshetse leng?

Triassic
Jurassic
Cretaceous
dimilione tsa dingwaga di le 252 tse di fetileng20114566, asteroiti

E ne e le kgolo go le kae?

E ne e le telele go le kae?

Protoichthyosaurus e ka nna 4 m boleele (13 ft)Baesekele ya motho yo mogolo e ka nna 1.8 m (5.9 ft)Koloi e ka nna 4.5 m (15 ft)Tlou, phologolo e kgolo go gaisa tsotlhe mo lefatsheng gompieno e ka nna 6.5 m (21 ft)
telele jaaka dintšwa di le 4 go tswa kwa nkong go ya kwa mogatlengtelele jaaka dibanana di le 22 di latelanae ne e ka thuma boleele jwa letamo le legolo la go thuma (50 m) mo metsotswaneng e le 3.8

Protoichthyosaurus e ne e le kgolo go le kae fa e bapisiwa le WENA?

Ke dipalo fela mo sebatling sa gago. Ga go sepe se se bolokwang kgotsa se se romelwang gope.

E ne e le bonako go le kae?

dilo tse di monate

Dintlha tse di monate

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

E dirilwe ke AISetshwantsho sa Protoichthyosaurus se se dirilweng ke AI
Setshwantsho se se dirilweng ke AI sa kafa Protoichthyosaurus e ka tswang e ne e lebega ka gone, se dirilwe ke khomputara go ya ka se borasaense ba se itseng. Ke kakanyo fela: phologolo ya nnete e ka tswa e ne e lebega ka tsela e sele, mme ga go ope yo o itseng mebala ya yona ya nnete.
o botsitse

Dipotso tse di botswang thata ka ga 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

Mothubi wa ditlhamane

Tlhamane: Protoichthyosaurus is a dinosaur.

Boammaaruri: 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

Ya baitseanape ba didino

Leina la saense
Protoichthyosaurus
Leina le neilwe ke
Appleby 19794
Setlhopha
Diikhithiosoro
Lelapa / clade
Ichthyosauridae4
Thulaganyo
Ichthyosauria > Ichthyosauromorpha4
Bogolo jwa matlapa
201 go ya go 184 dimilione tsa dingwaga (Hettangian / Pliensbachian)4
Dibopego tsa matlapa
Blue Lias4
Dinaga
Bogosi jo bo Kopaneng4
Direkoto tsa difosili
2 mo The Paleobiology Database4
Go fitlhelwa
Robert M. Appleby named Protoichthyosaurus in 1979 based on fossils from Street, Somerset, England. The main specimen (BRLSI M3553) is a partial skeleton.12
Go sa ntse go ganetsanwa
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

Kwa dintlha di tswang teng

  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): dingwaga, mafelo, dibopego tsa matlapa, thulaganyo.

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Tse dingwe tsa setlhopha se le sengwe: Diikhithiosoro

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