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| Stigmaria | |
|---|---|
| |
| Stigmaria, a fossil lycopsid rhizome | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Lycophytes |
| Class: | Lycopodiopsida |
| Order: | †Lepidodendrales |
| Genus: | †Stigmaria Brongn. |
Stigmaria is a form taxon for common fossils found in Carboniferous rocks.[1] They represent the underground rooting structures of arborescent lycophytes such as Sigillaria and Lepidodendron under the order Lepidodendrales.
- ^ Rothwell, GW; Erwin, DM (1985). "The rhizophore apex of Paurodendron: implications for homologies among the rooting organs of Lycopsida". American Journal of Botany. 72: 86–98. doi:10.2307/2443571. JSTOR 2443571.