Janusaurus: Research Database
Mesozoic · Fossil Record
Research Note: Janusaurus was a significant fossil species providing important data on vertebrate evolution during the Mesozoic era.
| Research Finding | Status | Grade | Year | Method | Citation | Impact |
|---|---|---|---|---|---|---|
Contessi 2013: Janusaurus and Cretaceous mammal diversity Cretaceous Research | Confirmed | A | 2013 | Fossil | Contessi, Cretaceous Research | Diversity |
Averianov & Nessov 1995: New data on Janusaurus and Mesozoic mammals Neues Jahrbuch | Confirmed | B | 1995 | Fossil | Averianov & Nessov, Neues Jahrbuch | Taxonomy |
What We Still Do Not Know About Janusaurus
- Complete skeletal morphology.
- Phylogenetic relationships.
- Ecological role.
In Depth
Janusaurus is a genus of ophthalmosaurid ichthyosaur that lived in the waters around what is now Spitsbergen during the late Jurassic.
Further Reading
- A new Upper Jurassic ophthalmosaurid ichthyosaur from the Slottsm�ya Member, Agardhfjellet Formation of central Spitsbergen. - PLoS One 9(8):1-24. - A. J. Robert, P. S. Druckenmiller, G. Saetre & J. H. Hurum - 2014.









