Gallardosaurus

Leina le raya: “Gallardo's lizard”1

E jele: NamaDipleisiosoroBofelo jwa JurassicKa saense, ga se dinosoro

Gallardosaurus was a short-necked, big-headed marine reptile that swam in warm seas near Cuba 160 million years ago. It was a pliosaur, a type of plesiosaur with a huge skull and strong jaws for catching fish.1 2

Ntlha e e monate: segagabi seno sa lewatle se ne se thuma fa dinosoro di ne di tsamaya mo lefatsheng. Mongwe le mongwe o di bitsa didino, mme e ne e le lekala le lengwe la digagabi.

E tshetse

dimilione tsa dingwaga di le 159 go ya go 155 tse di fetileng3

Bofelo jwa Jurassic

Difosili di fitlhetswe kwa

Jagua Formation, Viñales area, western Cuba1 3

Bonako jo bogolo

e ka nna 27 km/h (17 mph)

Go thuma, kakanyo

E tshetse leng?

Triassic

Jurassic

Cretaceous

dimilione tsa dingwaga di le 252 tse di fetileng20114566, asteroiti

E ne e le bonako go le kae?

Motho yo o tsamayang e ka nna 5 km/h (3 mph)

Ngwana mo baesekeleng e ka nna 12 km/h (7 mph)

Gallardosaurus e ka nna 27 km/h (17 mph)

Pitse e e sianang ka bonako e ka nna 65 km/h (40 mph)

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

dilo tse di monate

Dintlha tse di monate

Gallardosaurus is known from only one partial skull and a few neck bones. The tip of the snout and the back of the lower jaw are missing.1

The bones were found inside a hard rock called a concretion, which helped preserve them in three dimensions.1

The individual was probably not fully grown when it died, because some of its vertebrae were not fused together.1

Gallardosaurus lived in a shallow sea only about 10 to 12 metres (33 to 39 feet) deep. Oysters and algae grew on the seafloor.1

It shared its home with ichthyosaurs, a marine turtle called Notoemys oxfordiensis, and another plesiosaur named Vinialesaurus caroli.1

Scientists think Gallardosaurus may have migrated across the Caribbean Seaway each season, following the fish it hunted.1

The first fossil was discovered in 1946 by a Cuban farmer named Juan Gallardo. It was not fully studied until many years later.1

Setshwantsho sa Gallardosaurus se se dirilweng ke AI — Setshwantsho se se dirilweng ke AI sa kafa Gallardosaurus e ka tswang e ne e lebega ka gone, se dirilwe ke khomputara go ya ka se borasaense ba se itseng. Ke kakanyo fela: phologolo ya nnete e ka tswa e ne e lebega ka tsela e sele, mme ga go ope yo o itseng mebala ya yona ya nnete.

o botsitse

Dipotso tse di botswang thata ka ga Gallardosaurus

?How big was Gallardosaurus?

No complete skeleton has been found, so its exact size is unknown. Based on the partial skull and neck bones, it was probably a medium-sized pliosaur, but scientists do not have enough fossils to give a reliable length or weight.1 2

?What did Gallardosaurus eat?

It was a carnivore that likely ate fish. Scientists think it was an active predator that hunted nectonic (swimming) fish in the warm Caribbean Seaway.1 2

?Is Gallardosaurus a dinosaur?

No, Gallardosaurus is a pliosaur, which is a type of plesiosaur. Plesiosaurs are marine reptiles, not dinosaurs.1 3

?When did Gallardosaurus live?

It lived during the middle to late Oxfordian stage of the Late Jurassic, about 159 to 155 million years ago.1 3

Ya baitseanape ba didino

Leina la saense: Gallardosaurus
Leina le neilwe ke: Gasparini 20093
Setlhopha: Dipleisiosoro
Lelapa / clade: Pliosauridae3
Thulaganyo: Plesiosauria > Pliosauridae > Sauropterygia3
Bogolo jwa matlapa: 159 go ya go 155 dimilione tsa dingwaga (Oxfordian)3
Dibopego tsa matlapa: Jagua3
Dinaga: Kuba3
Direkoto tsa difosili: 1 mo The Paleobiology Database3
Go fitlhelwa: The only known fossil was found in 1946 by Cuban farmer Juan Gallardo near Viñales, Cuba. It was first thought to be a species of Pliosaurus or Peloneustes, but in 2009 paleontologist Zulma Gasparini named it a new genus, Gallardosaurus.1 2
Go sa ntse go ganetsanwa: Scientists are not sure exactly how big Gallardosaurus grew, because only a partial skull and a few vertebrae have been found.1

Kwa dintlha di tswang teng

Gallardosaurus (en.wikipedia.org)
A new Oxfordian pliosaurid (Plesiosauria, Pliosauridae) in the Caribbean Seaway | The Palaeontological Association (palass.org)
Gallardosaurus in The Paleobiology Database (CC BY 4.0): dingwaga, mafelo, dibopego tsa matlapa, thulaganyo.

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