noun
primitive plants of the Paleozoic
• Syn: ↑Rhyniaceae
• Hypernyms: ↑fern family
• Member Holonyms: ↑Psilophytales, ↑order Psilophytales
• Member Meronyms: ↑Rhynia, ↑genus Rhynia, ↑Horneophyton, ↑genus Horneophyton
Useful english dictionary. 2012.