Guhsania

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.^[2]

Guhsania Temporal range: Bajocian[1] PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	†Ammonoidea
Order:	†Ammonitida
Family:	†Sonniniidae
Subfamily:	†Witchelliinae
Genus:	†Guhsania McLearn, 1926

Guhsania belongs to the Sonniniidae, a member of the Hildoceratoidea superfamily. The shell (conch): essentially involute and ribbed throughout, umbilical edge sharp, outer whorl oxyconic.^[3]