Archaeonectrus

Archaeonectrus is an extinct genus of pliosaur from the Jurassic of what is now southeastern England. The type species is Archaeonectrus (originally "Plesiosaurus") rostratus, first named by Sir Richard Owen in 1865, which was moved to its own genus by N.I. Novozhilov in 1964.

Fossil

Archaeonectrus
Temporal range: Jurassic
Fossil
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Superorder: †Sauropterygia
Order: †Plesiosauria
Family: †Rhomaleosauridae
Genus: †Archaeonectrus
Type species
†Archaeonectrus rostratus
Owen, 1865

Classification

Illustration
Life restoration

The cladogram below shows Archaeonectrus phylogenetic position among other plesiosaurs, following Benson et al. (2012).[1]

Plesiosauria 
 Neoplesiosauria 
 

Pliosauridae

 
 

Plesiosauroidea

 
 
 Rhomaleosauridae 
 

Stratesaurus taylori

 
 
 

Macroplata tenuiceps

 
 
 

Avalonnectes arturi

 
 
 

Eurycleidus arcuatus

 
 
 

Meyerasaurus victor

 
 
 

Maresaurus coccai

 
 
 

Atychodracon megacephalus

 
 
 

Archaeonectrus rostratus

 
 
 

Rhomaleosaurus cramptoni

 
 
 

Rhomaleosaurus thorntoni

 
 

Rhomaleosaurus zetlandicus

 
 
 
 
 
 
 
 
 
 
 
 

See also

References

  • Sepkoski, J.J. (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology 363: 1-560.
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