Fluvionectes
Fluvionectes was a long-necked marine reptile that swam in rivers and estuaries, not the open ocean. It was a type of plesiosaur called an elasmosaur, and it hunted fish and other prey in the water.1
Yabayeho ryari?
Yanganaga ite?
Yari ndende ite?
Yari iremereye ite?
ndende nk'imbwa 7 zikurikiranye๐ndende nk'imineke 39 ikurikiranye๐iremereye nk'imbuto 78 za watermelon๐งธiremereye nk'abana 21 bo mu ishuri ry'incuke๐iremereye nk'abanyeshuri 12๐yashoboraga koga uburebure bwa pisine nini (50 m) mu masegonda 6,2Fluvionectes yanganaga ite ugereranyije NAWE?
Ni imibare gusa ibarirwa muri mushakisha yawe. Nta kintu kibikwa cyangwa cyoherezwa ahandi.
Yihutaga ite?
Utuntu dushimishije
Fluvionectes is one of the few plesiosaurs found in non-marine rocks, meaning it lived in rivers and estuaries, not the open ocean.1
The holotype skeleton was found disarticulated, scattered over an area of about 2.5 square metres, with only two rib bones still connected.1
Fluvionectes had 22 dorsal vertebrae, which is a unique feature that helps scientists identify it as a new species.1
The name Fluvionectes comes from Latin and Greek words meaning 'river swimmer', because it lived in rivers.1
The species name sloanae honours Donna Sloan, who discovered the holotype and worked as a scientific illustrator at the Royal Tyrrell Museum.1
Fluvionectes was smaller than many other elasmosaurids that lived in the ocean, which might be because it lived in rivers.1

Ibibazo bibazwa cyane kuri Fluvionectes
?How big was Fluvionectes?
About 5 to 5.2 metres (16 to 17 ft) long for the holotype, and the largest known specimen may have reached 7 metres (23 ft).23
?What did Fluvionectes eat?
It hunted fish and other vertebrates in the water, using its slender tooth and powerful flippers to catch prey.4
?Where did Fluvionectes live?
It lived in rivers and estuaries (brackish water) in what is now Alberta, Canada, not in the open ocean like most other elasmosaurs.23
?Is Fluvionectes a dinosaur?
No, it is a plesiosaur, a type of marine reptile that lived in the water during the time of dinosaurs.2
Gusenya ibinyoma
Ibivugwa: Some people think all plesiosaurs lived only in the ocean.
Ukuri: Fluvionectes shows that some plesiosaurs lived in rivers and estuaries, not just the open sea.1
Ku bazobereye muri dinozore
- Izina rya siyansi
- Fluvionectes
- Yiswe na
- Campbell et al. 20215
- Itsinda
- Plesiyozore
- Umuryango / ishami
- Elasmosauridae5
- Ishyirwa mu byiciro
- Plesiosauria > Elasmosauridae > Sauropterygia5
- Imyaka y'amabuye
- imyaka miliyoni 84 kugeza 72 (Campanian)5
- Inzego z'amabuye
- Dinosaur Park5
- Ibihugu
- Kanada5
- Ibisigazwa byanditswe
- 6 muri The Paleobiology Database5
- Ivumburwa
- The holotype was discovered by Donna Sloan in the Dinosaur Park Formation in Alberta, Canada. It was named by Campbell and colleagues in 2021.1
- Biracyagibwaho impaka
- Scientists are still debating why Fluvionectes was smaller than ocean-living elasmosaurids, and whether it spent its whole life in rivers or moved between fresh and salt water.1
Aho amakuru yakuwe
- PeerJ A new elasmosaurid (Sauropterygia: Plesiosauria) from the non-marine to paralic Dinosaur Park Formation of southern Alberta, Canada (peerj.com)
- Fluvionectes (en.wikipedia.org)
- A new elasmosaurid (Sauropterygia: Plesiosauria) from the non-marine to paralic Dinosaur Park Formation of southern Alberta, Canada (pmc.ncbi.nlm.nih.gov)
- New Late Cretaceous Marine Reptile publication by M. Ryan and J. Campbell | Department of Earth Sciences (earthsci.carleton.ca)
- Fluvionectes in The Paleobiology Database (CC BY 4.0): imyaka, ahantu, inzego z'amabuye, ishyirwa mu byiciro.
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