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Martinectes
Martinectes was a small, fast-swimming marine reptile that lived in the shallow seas of North America during the time of the dinosaurs. It had a short neck, a long snout, and four big flippers that helped it chase after fish and squid.1
Kur jetoi?
Sa i madh ishte?
Sa i gjatë ishte?
Sa i rëndë ishte?
i gjatë sa 2,5 qen nga hunda te bishti🍌i gjatë sa 14 banane njëra pas tjetrës🍉i rëndë sa 250 shalqinj🧸i rëndë sa 67 fëmijë kopshti🎒i rëndë sa 40 nxënës🐻❄️i rëndë sa 3 arinj polarë🏊mund të notonte gjatësinë e një pishine të madhe (50 m) për 6,9 sekondaSa i madh ishte Martinectes krahasuar me TY?
Vetëm matematikë në shfletuesin tënd. Asgjë nuk ruhet dhe asgjë nuk dërgohet askund.
Sa i shpejtë ishte?
Fakte argëtuese
Martinectes was one of the smallest adult polycotylid plesiosaurs ever found, measuring only about 2.3 to 2.6 metres long.1
It had large eyes with a bony ledge above them, which may have shaded its eyes from sunlight while hunting near the water's surface.1
Martinectes lived about 80 million years ago in the Western Interior Seaway, a huge ocean that split North America in two.1
Its name means 'Martin's swimmer', honoring the person who helped discover its fossils.1
Martinectes was originally thought to be a species of Dolichorhynchops, but scientists gave it its own genus in 2024.1
It had unusually wide bones in its spine and a very short back part of its skull, which helped scientists tell it apart from other plesiosaurs.1
Pyetjet më të shpeshta për Martinectes
?How big was Martinectes?
Martinectes was a large polycotylid plesiosaur, measuring at least around 5 metres (16 ft) long. Some estimates suggest it could reach up to 6 to 7 metres (20 to 23 ft), while a 2026 estimate put it at about 4.95 metres (16.2 ft) long.2
?Was Martinectes a dinosaur?
No, Martinectes was a plesiosaur, a marine reptile that lived in the seas during the time of the dinosaurs. It was not a dinosaur.2
?What did Martinectes eat?
Martinectes likely chased after fish and squid, using its long snout and four big flippers to swim fast. Its small teeth and narrow jaws suggest it ate small, slippery prey.2
Për ekspertët e dinozaurëve
- Emri shkencor
- Martinectes
- Emërtuar nga
- Clark et al. 20243
- Grupi
- Pleziozaurët
- Familja / klada
- Polycotylidae3
- Klasifikimi
- Plesiosauria > Sauropterygia3
- Mosha e shkëmbinjve
- 84 deri në 72 milionë vjet (Campanian)3
- Formacionet shkëmbore
- Pierre Shale, Taylor Marl3
- Vendet
- SHBA3
- Gjetjet fosile
- 3 në The Paleobiology Database3
- Zbulimi
- Martinectes was named in 2024 by Robert O. Clark, F. Robin O'Keefe, and Sara E. Slack. They studied fossils that had been found in Wyoming and South Dakota, USA, and realized they belonged to a new genus.31
- Ende i diskutueshëm
- Scientists are still debating exactly how Martinectes used its unusual eye ledges and wide skull for hunting.1
Nga vijnë faktet
- A new genus of small polycotylid plesiosaur from the Upper Cretaceous of the Western Interior Seaway and a clarification of the genus Dolichorhynchops (sciencedirect.com)
- Martinectes (en.wikipedia.org)
- Martinectes in The Paleobiology Database (CC BY 4.0): mosha, vendet, formacionet shkëmbore, klasifikimi.
Çdo fakt në këtë faqe ka një numër që të çon te burimi i tij. Nëse kemi gabuar diçka, na fal, ne jemi fansa dinozaurësh, jo revistë shkencore. Na shkruaj në [email protected] dhe do ta rregullojmë.
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