Kartu dino No. 1549 ci 2 027

Rhomaleosaurus

Tur bi mooy: “strong lizard”1

Lekkoon: YàppPlesiyosoor yiJurasik bu jëkkCi xam-xam, du dinosoor

Rhomaleosaurus was a giant marine reptile that swam in the seas during the Early Jurassic period, about 183 to 175 million years ago. It was one of the biggest predators in the ocean at that time, with a huge head and a long neck, and it ate other sea creatures like ichthyosaurs and ammonites.1

Xibaar bu neex: reptil bu géej bii dafa daan féey ci jamono yi dinosoor yi daan dox ci suuf. Ñépp dañu leen di wooye dino, waaye beneen caru reptil lañu woon.

Dundoon

am na 201 ba 175 milyoŋ at5

Jurasik bu jëkk

Fosil yu ñu gis ci

Northamptonshire and Yorkshire, United Kingdom1

Guddaay

7 m (23 ft)1 2

Gaawaay bi gën a kawe

lu tollu ci 26 km/h (16 mph)

Féey, jortu

Kañ la dundoon?

Triyaas

Jurasik

Kretase

Am na 252 milyoŋ at20114566, asteroyid bi

Naka la réyoon?

Naka la guddoon?

gudd ni 7 xaj, bakkan ba geengudd ni 39 banaana yu ñu topp-toppalemënoon na féey guddaayu pisin bu mag (50 m) ci 6,9 segond

Naka la Rhomaleosaurus réyoon, bu ñu ko méngalee ak YAW?

Ay kalkil rekk ci sa navigatëer. Dara du ñu denc, dara du ñu yónne fenn.

Naka la gaawoon?

Nit kuy dox lu tollu ci 5 km/h (3 mph)

Xale bu nekk ci welo lu tollu ci 12 km/h (7 mph)

Rhomaleosaurus lu tollu ci 26 km/h (16 mph)

Fas buy daw bu gaaw lu tollu ci 65 km/h (40 mph)

Segg bu gaaw lu tollu ci 100 km/h (62 mph)

yëf yu neex

Xibaar yu neex

Rhomaleosaurus had a very long neck compared to other pliosaurs, but still had a gigantic head, making it a mix of features from both long-necked and short-necked plesiosaurs.2

The first fossil of Rhomaleosaurus was found in 1848 in an alum quarry at Kettleness, near Whitby, England, and was kept at Mulgrave Castle for five years before being sent to Dublin.1

The skull of the holotype specimen is 88 centimeters long, and the whole animal was about 7 meters (23 feet) long.2

Rhomaleosaurus lived at the same time as the large ichthyosaur Temnodontosaurus, and both were top predators in the same ocean.1

Scientists think Rhomaleosaurus could pick up scents while underwater, helping it find prey.1

The name Rhomaleosaurus was given by Harry Seeley in 1874, based on a fossil that was originally thought to be a species of Plesiosaurus.1 5

Nataalu Rhomaleosaurus bu ñu def ak IA — Nataal bu IA def la, muy wone ni Rhomaleosaurus mën a meloon, ordinatëer moo ko def ci li boroom xam-xam yi xam. Jortu kese la: rab bi ci dëgg mën na meloon neneen, te kenn xamul ay kulëëram yu dëgg.

yeen a laaj

Laaj yi ñu gën a laaj ci Rhomaleosaurus

?How big was Rhomaleosaurus?

About 7 metres (23 feet) long.1 3

?What did Rhomaleosaurus eat?

It ate ichthyosaurs, ammonites, other plesiosaurs, belemnites, and fish.1 4

?Was Rhomaleosaurus a dinosaur?

No, it was a marine reptile called a plesiosaur, not a dinosaur.1 4

?When did Rhomaleosaurus live?

It lived during the Early Jurassic period, about 183 to 175 million years ago.1

?Where was Rhomaleosaurus found?

Fossils have been found in Northamptonshire and Yorkshire, England, in the Whitby Mudstone Formation.1 4

Ngir ñi xam dino lool

Turu xam-xam: Rhomaleosaurus
Ku ko tudde: Seeley 18745
Kurél: Plesiyosoor yi
Njaboot / klad: Rhomaleosauridae5
Klasifikasiyoŋ: Plesiosauria > Sauropterygia5
Màggaayu doj yi: 201 ba 175 milyoŋ at (Hettangian / Toarcian)5
Formasiyoŋi doj: Whitby Mudstone, Alum Shale, Blue Lias5
Réew yi: Angalteer5
Fosil yu ñu gis: 15 ci The Paleobiology Database5
Gisees: The first Rhomaleosaurus fossil was discovered in 1848 in an alum quarry at Kettleness, near Whitby, England. It was named Plesiosaurus cramptoni by Alexander Carte and W. H. Bailey in 1863, and later Harry Seeley placed it in its own genus, Rhomaleosaurus, in 1874.1
Ñu ngi koy werante ba tey: Scientists still debate which species belong to Rhomaleosaurus. Some species once placed here, like Rhomaleosaurus megacephalus, are now thought to belong to other genera.1

Fa xibaar yi jóge

Rhomaleosaurus (en.wikipedia.org)
The skull of the giant predatory pliosaur Rhomaleosaurus cramptoni: implications for plesiosaur phylogenetics (plesiosauria.com)
Rhomaleosaurus – Plesiosaur Directory (plesiosauria.com)
An exceptional fossil plesiosaur - Rhomaleosaurus cramptoni | National Museum of Ireland (museum.ie)
Rhomaleosaurus in The Paleobiology Database (CC BY 4.0): at, béréb yi, formasiyoŋi doj, klasifikasiyoŋ.

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