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Halisaurus

O nome significa: “sea lizard”1
Comía: CarneMosasaurosCretáceo Superior a Cenozoico, a era dos mamíferosTecnicamente non é un dinosauro

Halisaurus was a small, sleek marine lizard that swam in the warm seas of the Late Cretaceous. It was not a dinosaur, but a mosasaur, a relative of today's monitor lizards. It used its long tail and flippers to chase fish and other prey.1

Dato curioso: este réptil mariño nadaba mentres os dinosauros camiñaban por terra. Todo o mundo lles chama dinos, pero eran outra rama dos réptiles.
Viviu
hai entre 86 e 62 millóns de anos2
Cretáceo Superior a Cenozoico, a era dos mamíferos
Fósiles atopados en
North America (USA: New Jersey, Maryland, Delaware, California, North Carolina, Georgia), Africa (Morocco, Angola, Egypt, Niger, Congo-Kinshasa), South America (Peru, Chile, Argentina), Middle East (Jordan)21
Lonxitude
3 a 4 m (9,8 a 13 ft)1
Velocidade máxima
uns 37 km/h (23 mph)
Nadar, estimación

Cando viviu?

Antes dos dinosauros
Era dos dinosauros
Era dos mamíferos
Hai 400 millóns de anos25266hoxe

Como era de grande?

Canto medía de longo?

Halisaurus uns 4 m de longo (13 ft)Unha bici de adulto uns 1,8 m (5,9 ft)Un coche uns 4,5 m (15 ft)Un elefante, o animal terrestre máis grande de hoxe uns 6,5 m (21 ft)
tan longo coma 4 cans do fociño á colatan longo coma 22 plátanos postos un tras outropodería nadar o longo dunha piscina grande (50 m) en 4,9 segundos

Como era de grande Halisaurus comparado CONTIGO?

Só son contas no teu navegador. Non se garda nin se envía nada.

Que velocidade alcanzaba?

cousas xeniais

Datos curiosos

1

Halisaurus was named by famous fossil hunter Othniel Charles Marsh in 1869.1

2

It was a small mosasaur, only about 3 to 4 metres long, much smaller than giants like Tylosaurus.1

3

Its flippers were not as specialized as those of later mosasaurs, so it was probably a slower swimmer.1

4

Fossils of Halisaurus have been found on every continent except Australia and Antarctica.2

5

The species Halisaurus onchognathus is known only from remains that were destroyed during World War II, so scientists are not sure if it was a real species.1

6

Halisaurus lived from about 85 to 66 million years ago, during the Late Cretaceous.2

Feito con IAImaxe de Halisaurus feita con IA
Unha imaxe feita con IA de como podería ser Halisaurus, creada por un ordenador a partir do que saben os científicos. É unha suposición: o animal real podía ser diferente, e ninguén sabe as súas cores de verdade.
ti preguntaches

As preguntas máis frecuentes sobre Halisaurus

?How big was Halisaurus?

Halisaurus was about 3 to 4 metres (9.8 to 13.1 feet) long, making it small for a mosasaur.1

?Was Halisaurus a dinosaur?

No, Halisaurus was not a dinosaur. It was a mosasaur, a marine lizard related to today's monitor lizards.1

?What did Halisaurus eat?

Halisaurus likely ate small fish and other small prey, based on its slender jaws and numerous small teeth.1

?Could Halisaurus swim fast?

Maybe up to about 37 km/h (23 mph) in a short burst. This is an estimate from its size. But it was probably not a great swimmer over long distances, because its flippers were not as good as those of later mosasaurs.1

?When did Halisaurus live?

Halisaurus lived during the Late Cretaceous, from about 86 to 66 million years ago.1

?Where have Halisaurus fossils been found?

Fossils have been found on every continent except Australia and Antarctica, including North America and North Africa.1

Cazamitos

Mito: Halisaurus was a dinosaur.

Verdade: Halisaurus was a mosasaur, a marine reptile closely related to modern monitor lizards, not a dinosaur.1

Para expertos en dinos

Nome científico
Halisaurus
Bautizado por
Marsh 18692
Grupo
Mosasauros
Familia / clado
Mosasauridae2
Clasificación
Mosasauroidea2
Idade das rochas
de 86 a 62 millóns de anos (Santonian / Danian)2
Formacións rochosas
Navesink, Severn, Marshalltown2
Países
EUA, Marrocos, Chile, Perú, Xordania, Angola2
Rexistros fósiles
30 na Paleobiology Database2
Descubrimento
Halisaurus was named by Othniel Charles Marsh in 1869 based on a partial skull and vertebrae found near Hornerstown, New Jersey.1
Aínda en debate
Scientists are not sure how many species of Halisaurus really existed, because some fossils are very fragmentary.1

De onde veñen os datos

  1. Halisaurus (en.wikipedia.org)
  2. Halisaurus in The Paleobiology Database (CC BY 4.0): idade, lugares, formacións rochosas, clasificación.

Cada dato desta páxina ten un número que leva á súa fonte. Se nos equivocamos nalgo, sentímolo, somos fans dos dinos, non unha revista científica. Escríbenos a [email protected] e arranxámolo.

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Máis do mesmo grupo: Mosasauros

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Tamén da mesma época: Cretáceo Superior

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Dálle de comer a Rexa hucha de Rex para adultos