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Related to Rhyniaceae: Lycophyta, Psilotum, Rhyniophytes
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Noun1.Rhyniaceae - primitive plants of the Paleozoic
fern family - families of ferns and fern allies
order Psilophytales, Psilophytales - Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants
genus Rhynia, Rhynia - type genus of the Rhyniaceae; small leafless dichotomously branching fossil plants with terminal sporangia and smooth branching rhizomes
genus Horneophyton, Horneophyton - Devonian fossil plant considered one of the earliest forms of vascular land plants; similar to genus Rhynia but smaller
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