Archaeonectrus

Archaeonectrus
Temporal range: Jurassic
Fossil
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Sauropsida
Superorder: Sauropterygia
Order: Plesiosauria
Family: Pliosauridae
Genus: Archaeonectrus
Species
  • Archaeonectrus rostratus (type) Owen, 1865

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

Classification

Illustration

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

  1. ↑ Roger B. J. Benson; Mark Evans & Patrick S. Druckenmiller (2012). "High Diversity, Low Disparity and Small Body Size in Plesiosaurs (Reptilia, Sauropterygia) from the Triassic–Jurassic Boundary". PLoS ONE. 7 (3): e31838. doi:10.1371/journal.pone.0031838. PMC 3306369. PMID 22438869.
  • Sepkoski, J.J. (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology 363: 1-560.
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