| English noun: Sphenopsida | |||
| 1. | Sphenopsida (plant) horsetails and related forms | ||
| Synonyms | class Equisetatae, class Sphenopsida, Equisetatae | ||
| Broader (hypernym) | class | ||
| Member holonym | Equisetales, order Equisetales | ||
| Member meronym | division Pteridophyta, Pteridophyta | ||