Guhsania
Guhsania Temporal range: Middle Jurassic[1] | |
---|---|
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Cephalopoda |
Subclass: | Ammonoidea |
Order: | Ammonitida |
Family: | Sonniniidae |
Genus: | Guhsania McLearn, 1926 |
Guhsania is an extinct ammonoid cephalopod genus that lived during the early Middle Jurassic, (early Bajocian),[1] from about 171.5 to 173.5 Ma.
Guhsania belongs to the Sonniniidae, a member of the hildoceratacean superfamily. The shell (conch): essentially involute and ribbed throughout, umbilical edge sharp, outer whorl oxyconic.[2]
References
This article is issued from Wikipedia - version of the 10/10/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.