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Guhsania

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Guhsania
Temporal range: Middle Jurassic[1]
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.

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.[2]

References

  1. ^ a b Jack Sepkoski, 2002. List of fossil cephalopod genera. [1]
  2. ^ Treatise on Invertebrate Paleontology, Part L, 1957. p.L270
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