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Top Level : Plant Fossils : Horsetails

Annularia sp.
Annularia sp.
ISM 15420a

Annularia sp. are the leaf whorls of an extinct horsetail. They would have grown on plants with stems similar to Calamites. These horsetails (Sphenopsida) were arborescent (tree-like) and grew to a height of 10 meters (31 feet).

Specimen #: 15420a

<i>Annularia</i> sp.

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Top Level : Plant Fossils : Horsetails

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