Carta da dino nr. 0211 da 2 027

Avalonnectes

Il num vul dir: “Avalon swimmer”1

Mangiava: CharnPlesiosaursGiurassic temprivTecnicamain betg in dinosaur

Avalonnectes was a small, early plesiosaur that swam in the seas near what is now England, about 200 million years ago. It had a short body and four flippers, and it was one of the very first plesiosaurs to appear after the Triassic,Jurassic extinction.1

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 201 fin 200 milliuns onns4

Giurassic tempriv

Fossils chattads en

Street, Somerset, England, United Kingdom3

Spertadad maximala

var 27 km/h (17 mph)

Nudar, stima

Cura viveva el?

Triassic

Giurassic

Cretacic

avant 252 milliuns onns20114566, l'asteroid

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)

Avalonnectes var 27 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

Avalonnectes had only 18 or 19 dorsal vertebrae, which is a very low number for a plesiosaur.1

Its skull was only about 180 mm long, making it one of the smallest plesiosaurs of its time.1

Avalonnectes lived in the earliest Jurassic, just after the Triassic,Jurassic extinction event, about 199.6 to 198 million years ago.3

The name Avalonnectes comes from Avalon, the legendary island of King Arthur, which is linked to Glastonbury near where the fossils were found.1

Avalonnectes is known from two partial skeletons, including the holotype NHMUK 14550, which has part of the skull and much of the body.3

It belonged to a group called Rhomaleosauridae, which were early plesiosaurs with short necks and large heads.2

Maletg da Avalonnectes fatg cun IA — In maletg fatg cun IA che mussa co Avalonnectes 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: Avalonnectes
Numnà da: Benson et al. 20124
Gruppa: Plesiosaurs
Famiglia / clada: Rhomaleosauridae4
Classificaziun: Plesiosauria > Sauropterygia4
Vegliadetgna da la crappa: 201 fin 200 milliuns onns (Hettangian)4
Formaziuns da crap: Blue Lias4
Pajais: Reginavel Unì4
Chats da fossils: 1 en The Paleobiology Database4
Scuverta: Avalonnectes was named in 2012 by Roger Benson and colleagues based on fossils collected in the 19th century from Street, Somerset, England. The species name arturi honors Arthur Cruickshank, a scientist who studied early plesiosaurs.1

Danunder che vegnan ils fatgs

High Diversity, Low Disparity and Small Body Size in Plesiosaurs (Reptilia, Sauropterygia) from the Triassic, Jurassic Boundary | PLOS One (journals.plos.org)
PBDB Taxon (paleobiodb.org)
Avalonnectes (en.wikipedia.org)
Avalonnectes in The Paleobiology Database (CC BY 4.0): vegliadetgna, lieus, formaziuns da crap, classificaziun.

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