Dino txartela, 1028. zk. (2 027 guztira)

Leninia

Izenaren esanahia: “named after Vladimir Lenin, because the museum where the fossil is kept is in the Lenin Memorial and Lenin school complex in Ulyanovsk, Russia”1

Jaten zuen: HaragiaIktiosauroakBehe KretazeoaTeknikoki ez da dinosauroa

Leninia was a marine reptile that lived in the Early Cretaceous seas, not a dinosaur. It had huge eyes and probably dove deep to hunt for fish and squid.1

Datu dibertigarria: itsas narrasti hau igerian zebilen dinosauroak lehorrean ibiltzen ziren bitartean. Denek dino deitzen diete, baina narrastien beste adar bat ziren.

Bizi izan zen

Duela 121 eta 120 milioi urte artean3

Behe Kretazeoa

Fosilak hemen aurkitu dira:

Kriushi village, on the banks of the Volga River in western Russia1 3

Abiadura maximoa

46 km/h inguru (29 mph)

Igeri egitea, kalkulua

Noiz bizi izan zen?

Triasikoa

Jurasikoa

Kretazeoa

Duela 252 milioi urte20114566, asteroidea

Zein azkarra zen?

Pertsona bat oinez 5 km/h inguru (3 mph)

Haur bat bizikletan 12 km/h inguru (7 mph)

Leninia 46 km/h inguru (29 mph)

Zaldi bat lauhazka 65 km/h inguru (40 mph)

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

Only part of the skull was found, about 45 centimetres (18 inches) long. Scientists think the whole skull was between 65 and 90 centimetres (26 to 35 inches) long.1

Leninia had one of the largest scleral rings (the bony ring that supports the eye) of any ichthyosaur. Only Baptanodon and the giant Temnodontosaurus had bigger ones.1

Its skull bones form a star-shaped pattern, which is why its species name is stellans, meaning 'shining' or 'star-like'.1

Leninia lived about 119 to 113 million years ago, during the Early Cretaceous Period.1

It is one of the latest-living members of the ophthalmosaurine group, which were deep-diving ichthyosaurs with very large eyes.1

The fossil was discovered in 2012 in a limestone nodule on the banks of the Volga River, near the town of Kriushi.1

Leninia: AAk egindako irudia — Leninia nolakoa izan zitekeen erakusten duen AAk egindako irudia, ordenagailu batek zientzialariek dakitenetik sortua. Asmakizun bat da: benetako animalia desberdina izan zitekeen, eta inork ez daki zein ziren bere benetako koloreak.

Dino adituentzat

Izen zientifikoa: Leninia
Izendatzailea:: Fischer et al. 20133
Taldea: Iktiosauroak
Familia / klada: Ophthalmosauridae3
Sailkapena: Ichthyosauria > Ichthyosauromorpha3
Arroken adina: 121 eta 120 milioi urte artean (Aptian)3
Herrialdeak: Errusia3
Fosil-erregistroak: 1 The Paleobiology Database datu-basean3
Aurkikuntza: Leninia was named in 2013 by Valentin Fischer and colleagues. The only known fossil is a partial skull found in 2012 on the Volga River banks in Russia.1 3
Oraindik eztabaidagai: Scientists are not sure exactly how long the whole animal was, because only a piece of the skull has been found.1

Datuak nondik datozen

Leninia (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Leninia in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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