Carta da dino nr. 1315 da 2 027

Ophthalmothule

Il num vul dir: “eye of the north”1 2

Mangiava: CharnPlesiosaursGiurassic tardiv fin Cretacic temprivTecnicamain betg in dinosaur

Ophthalmothule was a plesiosaur, a marine reptile that lived in the sea, not a dinosaur. It had huge eye sockets, so it probably hunted in dark or deep water. This medium-sized swimmer was about as long as a car.1 2

Fatg divertent: quest reptil da mar nudava, entant ch'ils dinosaurs chaminavan sin terra. Tuts als numnan dinos, ma els eran in'autra rama dals reptils.

Viveva

avant 149 fin 137 milliuns onns4

Giurassic tardiv fin Cretacic tempriv

Fossils chattads en

Spitsbergen, Norway (Slottsmøya Member, Agardhfjellet Formation)2 1

Lunghezza

5 fin 5,5 m (16 fin 18 ft)1 2

Spertadad maximala

var 28 km/h (17 mph)

Nudar, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

Quant grond era el?

Quant lung era el?

uschè lung sco 6 chauns dal nas a la cuauschè lung sco 31 bananas ina suenter l'autrapudess nudar la lunghezza d'ina gronda piscina (50 m) en 6,4 secundas

Quant grond era Ophthalmothule cumpareglià cun TAI?

Mo matematica en tes navigatur. Nagut na vegn arcunà u tramess.

Quant spert era el?

Ina persuna che va a pe var 5 km/h (3 mph)

In uffant sin il velo var 12 km/h (7 mph)

Ophthalmothule var 28 km/h (17 mph)

In chaval che galoppescha var 65 km/h (40 mph)

In gepard var 100 km/h (62 mph)

chaussas cool

Fatgs divertents

Ophthalmothule lived right at the end of the Jurassic and start of the Cretaceous, about 149 to 137 million years ago.3

Its name means 'eye of the north' because it had very large eye sockets and was found in the far north.1 2

This plesiosaur is one of the youngest cryptoclidids known from the Boreal region, along with Abyssosaurus.1 2

The holotype specimen includes a nearly complete skull and parts of the body, which is rare for cryptoclidid plesiosaurs.2

Ophthalmothule had a long neck with all its neck bones found still connected, helping scientists study how plesiosaurs moved their necks.2

Its large eyes may have helped it see better in dim light, either in deep water or while hunting at night.1 2

Maletg da Ophthalmothule fatg cun IA — In maletg fatg cun IA che mussa co Ophthalmothule pudess avair guardà ora, fatg d'in computer tenor quai che la scienza sa. I sa tracta d'ina supposiziun: l'animal vair ha forsa guardà ora auter, e sias colurs vairas èn nunenconuschentas.

Per experts da dinos

Num scientific: Ophthalmothule
Numnà da: Roberts et al. 20204
Gruppa: Plesiosaurs
Famiglia / clada: Cryptoclididae4
Classificaziun: Plesiosauria > Sauropterygia4
Vegliadetgna da la crappa: 149 fin 137 milliuns onns (Tithonian / Berriasian)4
Formaziuns da crap: Agardhfjellet4
Pajais: Norvegia4
Chats da fossils: 1 en The Paleobiology Database4
Scuverta: Ophthalmothule was named in 2020 by Roberts and colleagues. The fossil was dug up in 2012 from Mount Wiman on Spitsbergen, Norway, from rocks that span the Jurassic-Cretaceous boundary.2 3
Anc discutà: Scientists are not sure whether the Ophthalmothule fossil comes from the very end of the Jurassic or the very beginning of the Cretaceous, because the rock layers are very compressed.2

Danunder che vegnan ils fatgs

Ophthalmothule (en.wikipedia.org)
PeerJ A new plesiosaurian from the Jurassic, Cretaceous transitional interval of the Slottsmøya Member (Volgian), with insights into the cranial anatomy of cryptoclidids using computed tomography (peerj.com)
PBDB Taxon (paleobiodb.org)
Ophthalmothule in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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