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Definition of Horneophyton
1. Noun. Devonian fossil plant considered one of the earliest forms of vascular land plants; similar to genus Rhynia but smaller.
Exact synonyms: Genus Horneophyton
Generic synonyms: Fern Genus
Group relationships: Family Rhyniaceae, Rhyniaceae
Generic synonyms: Fern Genus
Group relationships: Family Rhyniaceae, Rhyniaceae