Guhsania Temporal range: Bajocian PreꞒ Ꞓ O S D C P T J K Pg N ↓ | |
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Scientific classification | |
Domain: | Eukaryota |
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), from about 171.5 to 173.5 Ma.
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.
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
Taxon identifiers | |
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Guhsania |
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