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Plesiosauroidea (/ ˈ p l iː s i ə s ɔːr /; Greek: πλησιος plēsios 'near, close to' and σαυρος sauros 'lizard') is an extinct clade of carnivorous marine reptiles.They have the snake-like longest neck to body ratio of any reptile. Plesiosauroids are known from the Jurassic and Cretaceous periods.After their discovery, some plesiosauroids were said to have resembled "a snake ...
Estos reptiles también eran más pequeños que los Pliosaurios – con Plesiosaurus llegando a sólo unos 15 pies de largo y 1.000 libras. Eso significa que eran dos veces más largos que un caballo moderno y pesaban dos veces más que un cerdo moderno. Se cree que estos animales se comportaban de forma muy parecida a las tortugas de té de ...
Primitif, plesiosaurus dan sebagian elasmosaurids memiliki lima gigi per premaksila. Beberapa elasmosaurids bahkan memiliki lebih: seperti Terminonatator memiliki 9 dan Aristonectes memiliki 10 sampai 13, Selain itu, sebagian plesiosaurus memiliki kurang dari 60 tulang leher, Selain Elasmosaurus, plesiosaurus yang melebihi 60 tulang leher termasuk Styxosaurus, Hydralmosaurus, dan Thalassomedon.
Styxosaurus was an elasmosaur, a long-necked variety of the marine reptiles called plesiosaurs. These sea monsters grew upwards of 40 feet (12 meters) long. About half that length was neck, a ...
19 de oct. de 2023 · Plesiosaurs 101. While dinosaurs roamed the Earth, marine reptiles in the order Plesiosauria swam in our planet's prehistoric oceans. Find out which creatures belonged in this group, how they grew to incredible sizes, and how they've captivated both scientists and storytellers alike.
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Plesiosaurus (Greek: πλησιος/plesios, near to + σαυρος/sauros, lizard) is a genus of extinct, large marine sauropterygian reptile that lived during the early part of the Jurassic Period, and is known by nearly complete skeletons from the Lias of England. Although there are a number of modern-day myths surrounding this order of creature, such as the myth of the Loch Ness Monster ...
