| Perisphinctes | |
|---|---|
 | |
| Exhibit from theMuseum of Natural History inBerlin | |
Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Family: | †Perisphinctidae |
| Subfamily: | †Perisphinctinae |
| Genus: | †Perisphinctes Waagen, 1869[2] |
| Type species | |
| Ammonites variocostatus[4] Buckland, 1836 | |
| Species[3] | |
| |
Perisphinctes is an extinctgenus ofammonite cephalopod. They lived during theMiddle toLate Jurassic epochs and serve as anindex fossil for that time period.[5] The speciesP. boweni was named after the English chemist and geologistE. J. Bowen (1898–1980).[6]
Cephalopods of species belonging to this genus have been found in the Jurassic of Antarctica, Argentina, Chile, Cuba, Egypt, Ethiopia, France, Germany, Hungary, India, Iran, Italy, Japan, Madagascar, Poland, Portugal, Russia, Saudi Arabia, Spain, Switzerland, the United Kingdom and Yemen.[3]
_virguloides_(Waagen).jpg)
