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Stigmaria ficoides
Images: 
By I_gotta_rock
Taxonomy
Scale Tree Root
Kingdom: Plantae
Phylum: Lycopodophyta
Class: Lycopodiopsida
Order: Lepidodendrales
Family: N/A
Genus: Stigmaira
Species: Stigmaria ficoides
Author Citation Brongniart 1822
Geological Time Scale
Eon: Phanerozoic
Era: Paleozoic
Period: Carboniferous
Sub Period: Pennsylvanian
Epoch: Late
Stratigraphy
Lewellyn Formation
Provenance
Collector: myself
Date Collected: 10/03/2020
Acquired by: Field Collection
Location
Columbia County
Pennsylvania
United States
- carboniferous
- fern
- flora
- fossil
- lewellyn
- lycopsid
- pa
- pennsylvania
- pennsylvanian
- plant
- root
- scale tree
- white
Comments
Stigmaria ficoides is a type designation for roots of scale trees (Lycopods). The main roots have scars, usually ovate, where the rootlets once attached. In this specimen you can clearly see not only the main root but rootlets coming off of the main root at right angles on both sides.
The white highlights on this plate are iron oxide left from the original plant material. The site where this was found is part of the same formation as the famous St Clair locality, which is known for its white fern fossils.
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