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• Bedding plane view of a flattened Stigmaria preserved atop a shallow-water carbonaceous limestone. Joggins, Nova Scotia, Canada.
• In situ Stigmaria fossil from the Joggins Formation (Pennsylvanian), … See more
Fossil of the month: Stigmaria - University of Kentucky
Jan 5, 2023 · Stigmaria is a form genera name for the roots of extinct lycopod trees, such as Lepidodendron and Sigillaria. Learn about its description, preservation, species, and range in …
Sigillaria was a large tree that grew in swampy areas during the Carboniferous Period. Its root system, Stigmaria, is a common fossil found in Arkansas rocks of Pennsylvanian age.
Stigmaria: A Review of the Anatomy, Development, and Functional ...
Jun 6, 2022 · Traditionally referred to form genus Stigmaria, rhizomorphs of arboreous genera are repeatedly isotomous, producing a helical rhizotaxy of abundant determinate appendages …
Fossil Lycophytes - Sam Noble Museum - University of Oklahoma
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Stigmaria : A Review of the Anatomy, Development, …
Aug 1, 2022 · Traditionally referred to form genus Stigmaria, rhizomorphs of arboreous genera are repeatedly isotomous, producing a helical rhizotaxy of abundant determinate appendages (rootlets).
Stigmaria : on the substrate before in the substrate
Aug 1, 2024 · Stigmaria is the rooting organ of late Paleozoic arborescent lycopsids. This article challenges the common assumption that stigmarian axes were entirely subterranean and …
Stigmaria Fossil - Historic Jamestowne
Stigmaria is a fossilized root from a prehistoric tree that grew in the coal swamps of the Carboniferous era over 300 million years ago! The little round depressions mark where rootlets were once attached, like the bristles of a bottle brush. …
Weird & Wonderful: Stigmaria – fascinating fossil from …
Apr 6, 2013 · Stigmaria is considered to be the roots of Lepidodendron, a 40 metres tall club moss, or lycopod. (So, Stigmaria is part of Lepidodendron, but only Lepidodendron is an actual, classified organism; Stigmaria is just the roots.)
Virtual Collection: Lycophytes - Digital Atlas of Ancient …
Explore fossil specimens of lycophytes, a group of early vascular plants with club-shaped leaves. See models of Stigmaria, a rhizomorph of the lycophyte Stigmaria, from the Carboniferous of Tennessee and Illinois.
