Biology:Guhsania
From HandWiki
Short description: Genus of molluscs (fossil)
| Guhsania | |
|---|---|
Scientific classification 
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| 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),[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
- ↑ 1.0 1.1 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. https://web.archive.org/web/20160225225905/http://strata.geology.wisc.edu/jack/showgenera.php?taxon=231&rank=class. Retrieved 2017-10-18.
- ↑ "Paleobiology Database - Guhsania". http://paleodb.org/cgi-bin/bridge.pl?action=checkTaxonInfo&taxon_no=14949&is_real_user=1. Retrieved 2017-10-19.
- ↑ Treatise on Invertebrate Paleontology, Part L, 1957. p.L270
Wikidata ☰ Q5615316 entry
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