Equisetopsida
Translingual
Etymology
Equisetum + -opsida
Proper noun
Equisetopsida
- A taxonomic class within the division Pteridophyta – horsetails.
Synonyms
- (class): Sphenopsida - class; Equisetidae - subclass
Hyponyms
- (class): Equisetales; †Pseudoborniales (extinct), †Sphenophyllales (extinct) - orders
References
Equisetopsida on Wikipedia.Wikipedia 
Equisetopsida on Wikispecies.Wikispecies 
Equisetopsida on Wikimedia Commons.Wikimedia Commons - Polypodiopsida at the Tree of Life Web Project