Zosterophyllopsida Fossil range: Upper Silurian - Lower Carboniferous
Sawdonia ornata with ground creeping roots (A); lateral reniform sporangia (B)
Scientific classification
Kingdom: Plantae Division: Lycopodiophyta Class: Zosterophyllopsida †
Orders
Sawdoniales Zosterophyllales

The Zosterophyllopsida are a group of fossil lycophytes known primarily from the Silurian and Devonian. They are typified by the genus Zosterophyllum which had its sporangia distributed in groups along the sides of the stem tips, rather than in a terminal position.^[1]

References

External links

• Palaeos Plants : Lycopsida : Zosterophyllopsida
• "Introduction to the Zosterophylls".

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