Guhsania

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 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 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]

References

Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Cephalopoda entry)". Bulletins of American Paleontology. 363: 1–560. Archived from the original on 2016-02-25. Retrieved 2017-10-18.
"Paleobiology Database - Guhsania". Retrieved 2017-10-19.
Treatise on Invertebrate Paleontology, Part L, 1957. p.L270

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[Sepkoski_Ceph-1] Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Cephalopoda entry)". Bulletins of American Paleontology. 363: 1–560. Archived from the original on 2016-02-25. Retrieved 2017-10-18.

[paleodb-2] "Paleobiology Database - Guhsania". Retrieved 2017-10-19.

[3] Treatise on Invertebrate Paleontology, Part L, 1957. p.L270