Clymeniidae

Clymeniidae Temporal range: Devonian, 364.7–360.7 Ma PreЄ Є O S D C P T J K Pg N ↓
Fossil shell of Clymenia laevigata, on display at Galerie de paléontologie et d'anatomie comparée, Paris
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Ammonoidea
Order:	Clymeniida
Family:	Clymeniidae Edwards 1849

Clymeniidae is a family in the ammonoid order Clymeniida. It is characterized by a dorsal siphuncle that runs along the inside of the whorls, unusual for ammonoids.

Fossils of species within this family have been found in the Devonian of Australia.