Biology:Fluvionectes

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Short description: Extinct genus of reptiles

Fluvionectes
Temporal range: Campanian
~76–75 Ma
Fluvionectes sloanae.png
Life restoration
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Superorder: Sauropterygia
Order: Plesiosauria
Family: Elasmosauridae
Genus: Fluvionectes
Campbell et al., 2021
Species:
F. sloanae
Binomial name
Fluvionectes sloanae
Campbell et al., 2021

Fluvionectes (meaning "river swimmer", from both Latin and Greek) is a genus of elasmosaurid plesiosaur found in the Dinosaur Park Formation in Alberta, Canada . It is known from a holotype, which includes parts of the trunk area, and from a much larger specimen referred to this taxon.[1]

Description

The holotype indiviudal of Fluvionectes reached 5 m (16 ft) long. A much larger specimen indicates that this taxon may have reached 7 m (23 ft) in maximum body length.[1]

Classification

The describers placed Fluvionectes in the Elasmosauridae, in a clade with Albertonectes, Nakonanectes, Styxosaurus, and Terminonatator, which by definition places it in the Elasmosaurinae subfamily.[1]

Paleobiology

Fluvionectes appears to have been a freshwater (and possibly brackish water) animal based on its discovery from a non-marine to paralic sedimentary unit. This is significantly different in contrast to most elasmosaurs which were oceanic.[1]

References

  1. 1.0 1.1 1.2 1.3 Campbell, Mitchel, Ryan and Anderson, James A., Mark T., Michael J., Jason S. (2021). "A new elasmosaurid (Sauropterygia: Plesiosauria) from the non-marine to paralic Dinosaur Park Formation of southern Alberta, Canada". PeerJ 9: e10720. doi:10.7717/peerj.10720. PMID 33614274. 

Wikidata ☰ Q105581523 entry