Echioceratidae
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Translingual[edit]
Etymology[edit]
Echioceras + -idae
Proper noun[edit]
†Echioceratidae
- A taxonomic family within the order Ammonitida – ammonites with serpenticone shells with keel, that lived in the Sinemurian stage of the Jurassic.
References[edit]
Echioceratidae on Wikipedia.Wikipedia 
Psiloceratoidea on Wikispecies.Wikispecies 
Category:Psiloceratoidea on Wikimedia Commons.Wikimedia Commons - Echioceratidae at Paleobiology Database
