cladoxylopsid
Appearance
English
[edit]Noun
[edit]cladoxylopsid (plural cladoxylopsids)
- Any of several plants, known only as fossils, that are thought to be ancestors of ferns and horsetails
Adjective
[edit]cladoxylopsid (not comparable)
- Of or pertaining to these plants, of the extinct class †Cladoxylopsida