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Horneophytopsida

The Horneophytopsida, informally called horneophytes, are a class of extinct plants which consisted of branched stems without leaves, true roots or vascular tissue, found from the Late Silurian to the Early Devonian (around 430 to 390 million years ago). They are the simplest known polysporangiophytes, i.e. plants with sporophytes bearing many…

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Horneophytopsida

Nodes19
Edges18
Triples0
Avg. degree1.89
Density0.105263
Components1

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group cladogram vascular tissue polysporangiophytes horneophyton horneophytes 2004 crane plants branched stems true found also class clade rhyniophytes placed genera

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