Avalonnectes

Lebitso le bolela: “Avalon swimmer”1

E jele: NamaDiplesiosaureJurasiki ya PeleHa se dinosaure ho ya ka saense

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

Ntlha e monate: sehahabi sena sa lewatle se ne se sesa ha didinosaure di ntse di tsamaya naheng. Bohle ba di bitsa didinosaure, empa e ne e le lekala le leng la dihahabi.

E phetse

dilemo tse dimilione tse 201 ho isa ho 200 tse fetileng4

Jurasiki ya Pele

Difosili di fumanwe ho

Street, Somerset, England, United Kingdom3

Lebelo le phahameng ka ho fetisisa

e ka bang 27 km/h (17 mph)

Ho sesa, kakanyo

E phetse neng?

Triasiki

Jurasiki

Kretase

Dilemo tse dimilione tse 252 tse fetileng20114566, asteroiti

E ne e le lebelo hakae?

Motho ya tsamayang ka maoto e ka bang 5 km/h (3 mph)

Ngwana a palame baesekele e ka bang 12 km/h (7 mph)

Avalonnectes e ka bang 27 km/h (17 mph)

Pere e mathang ka matla e ka bang 65 km/h (40 mph)

Lengau e ka bang 100 km/h (62 mph)

dintho tse monate

Dintlha tse monate

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

Setshwantsho sa Avalonnectes se entsweng ke AI — Setshwantsho se entsweng ke AI, se bontshang kamoo Avalonnectes e ka beng e ne e shebahala kateng, se entswe ke khomphutha ho ya ka seo bo-ramahlale ba se tsebang. Ke ho hakanya feela: phoofolo ya nnete e ka nna ya ba e ne e shebahala ka tsela e nngwe, mme ha ho motho ya tsebang mebala ya yona ya nnete.

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense: Avalonnectes
E rehilwe ke: Benson et al. 20124
Sehlopha: Diplesiosaure
Lelapa / leloko: Rhomaleosauridae4
Tlhophiso: Plesiosauria > Sauropterygia4
Dilemo tsa mafika: dilemo tse dimilione tse 201 ho isa ho 200 (Hettangian)4
Dibopeho tsa mafika: Blue Lias4
Dinaha: United Kingdom4
Direkoto tsa difosili: 1 ho The Paleobiology Database4
Ho sibollwa: 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

Moo dintlha di tswang teng

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): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

Ntlha e nngwe le e nngwe leqepheng lena e na le nomoro e supang mohlodi wa yona. Haeba re fositse ho hong, re kopa tshwarelo, re balatedi ba didinosaure, ha re koranta ya saense. Re bolelle ho [email protected] mme re tla e lokisa.

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