family rhyniaceae
English Thesaurus
1. primitive plants of the Paleozoic (noun.plant)
| hypernym | : | fern family, |
| definition | : | families of ferns and fern allies (noun.plant) |
| member holonym | : | genus rhynia, rhynia, |
| definition | : | type genus of the Rhyniaceae; small leafless dichotomously branching fossil plants with terminal sporangia and smooth branching rhizomes (noun.plant) |
| member holonym | : | genus horneophyton, horneophyton, |
| definition | : | Devonian fossil plant considered one of the earliest forms of vascular land plants; similar to genus Rhynia but smaller (noun.plant) |
| member meronym | : | order psilophytales, psilophytales, |
| definition | : | Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants (noun.plant) |
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