Guhsania

Guhsania; Temporal range: Bajocian 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
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 hildoceratacean superfamily. The shell (conch): essentially involute and ribbed throughout, umbilical edge sharp, outer whorl oxyconic.^[3]

References

^ ^a ^b Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Cephalopoda entry)". Bulletins of American Paleontology. 363: 1–560. Archived from the original on 2008-05-07. Retrieved 2017-10-18. {{cite journal}}: |archive-date= / |archive-url= timestamp mismatch; 2016-02-25 suggested (help); Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
^ "Paleobiology Database - Guhsania". Retrieved 2017-10-19. {{cite web}}: Cite has empty unknown parameter: |coauthors= (help)
^ 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 2008-05-07. Retrieved 2017-10-18. {{cite journal}}: |archive-date= / |archive-url= timestamp mismatch; 2016-02-25 suggested (help); Unknown parameter |deadurl= ignored (|url-status= suggested) (help)

[paleodb-2] "Paleobiology Database - Guhsania". Retrieved 2017-10-19. {{cite web}}: Cite has empty unknown parameter: |coauthors= (help)

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

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