Fresnosaurus

Lebitso le bolela: “Fresno lizard, named after Fresno County in California”1

E jele: NamaDiplesiosaureKretase ya MoraoHa se dinosaure ho ya ka saense

Fresnosaurus was a huge swimming reptile with a very long neck and flippers instead of legs. It lived in the sea near California during the time of the dinosaurs, but it was not a dinosaur. It probably used its long neck to sneak up on fish and other small sea creatures.1 3

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 72 ho isa ho 66 tse fetileng3

Kretase ya Morao

Difosili di fumanwe ho

Fresno County, California, USA, in the Moreno Formation1 2

Bolelele

ho fihla ho 9 m (30 ft)1

Lebelo le phahameng ka ho fetisisa

e ka bang 23 km/h (14 mph)

Ho sesa, kakanyo

E phetse neng?

Triasiki

Jurasiki

Kretase

Dilemo tse dimilione tse 252 tse fetileng20114566, asteroiti

E ne e le kgolo hakae?

E ne e le telele hakae?

telele jwaloka dikoloi tse 2 tse pakilweng ka molatelele jwaloka dibanana tse 50 di behilwe ka molae ne e ka sesa bolelele ba letamo le leholo la ho sesa (50 m) ka metsotswana e 7.8

Fresnosaurus e ne e le kgolo hakae ha e bapiswa le WENA?

Ke dipalo feela ho browser ya hao. Ha ho letho le bolokwang kapa le romelwang kae kapa kae.

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)

Fresnosaurus e ka bang 23 km/h (14 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

Fresnosaurus lived about 70 to 66 million years ago, right at the end of the Age of Dinosaurs.1

The only known fossil is from a young animal, so scientists think adults might have been even bigger than 9 meters (30 feet).2

Its name honors Fresno County, and the species name 'drescheri' honors Arthur Drescher, who likely helped find the fossil.1

Fresnosaurus belonged to a group called elasmosaurids, famous for their extremely long necks and paddle-like flippers.1 3

The fossil includes bones like the coracoids (shoulder bones), humerus (upper arm bone), pelvic girdle, and femora (thigh bones), but no skull has been found.2

Scientists recently found that some extra bones labeled as Fresnosaurus might actually belong to a different, related plesiosaur called an aristonectine.2

Setshwantsho sa Fresnosaurus se entsweng ke AI — Setshwantsho se entsweng ke AI, se bontshang kamoo Fresnosaurus 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.

Mosenyi wa ditshomo

Tshomo: Some people think Fresnosaurus was a dinosaur because it lived with dinosaurs and is often shown in dinosaur books.

Nnete: Fresnosaurus was a plesiosaur, a marine reptile, not a dinosaur. Dinosaurs lived on land and had different body shapes.1 3

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense: Fresnosaurus
E rehilwe ke: Welles 19433
Sehlopha: Diplesiosaure
Lelapa / leloko: Elasmosauridae3
Tlhophiso: Plesiosauria > Elasmosauridae > Sauropterygia3
Dilemo tsa mafika: dilemo tse dimilione tse 72 ho isa ho 66 (Maastrichtian)3
Dibopeho tsa mafika: Moreno3
Dinaha: Amerika3
Direkoto tsa difosili: 1 ho The Paleobiology Database3
Ho sibollwa: Fresnosaurus was first described by Samuel Paul Welles in 1943, based on a fossil found in the Moreno Formation of California. The fossil was originally stored at the California Institute of Technology and is now at the Natural History Museum of Los Angeles County.1 2
E sa ntse e phehwa kgang: Scientists are still debating whether Fresnosaurus is a valid, separate genus or if it might be the same as another elasmosaurid, because the only fossil is incomplete and from a juvenile.2

Moo dintlha di tswang teng

Fresnosaurus (en.wikipedia.org)
Reappraisal of Fresnosaurus drescheri (Plesiosauria; Elasmosauridae) from the Maastrichtian Moreno Formation, California, USA - ScienceDirect (sciencedirect.com)
Fresnosaurus 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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