Definition of Stigmaria. Meaning of Stigmaria. Synonyms of Stigmaria

Here you will find one or more explanations in English for the word Stigmaria. Also in the bottom left of the page several parts of wikipedia pages related to the word Stigmaria and, of course, Stigmaria synonyms and on the right images related to the word Stigmaria.

Definition of Stigmaria

Stigmaria
Stigmaria Stig*ma"ri*a, n. [NL. See Stigma.] (Paleon.) The fossil root stem of a coal plant of the genus Sigillaria.
Stigmaria
Underclay Un"der*clay`, n. (Geol.) A stratum of clay lying beneath a coal bed, often containing the roots of coal plants, especially the Stigmaria.

Meaning of Stigmaria from wikipedia

- Stigmaria is a form taxon for common fossils found in Carboniferous rocks. They represent the underground rooting structures of arborescent lycophytes...
- multiple species of Stigmaria, our understanding of the underground organs is based primarily on the widespread species Stigmaria ficoides. The stigmarian...
- the fossil record including Sigillaria are ****igned to the form taxon, Stigmaria. The rootlets were dichotomously branched from the rhizomes similar to...
- it is also very common to find what are called Stigmaria (root stocks) within the same stratum. Stigmaria are completely absent in post-Carboniferous strata...
- Lepidophloios and Sigillaria. The roots of several of these forms are known as Stigmaria. The fronds of some Carboniferous ferns are almost identical with those...
- include: Thiloa colombiana Thiloa glaucocarpa Thiloa gracilis Thiloa inundata Thiloa nitida Thiloa paraguariensis Thiloa schultzei Thiloa stigmaria v t e...
- Lepidophloios and Sigillaria. The roots of several of these forms are known as Stigmaria. Unlike present-day trees, their secondary growth took place in the cortex...
- including Sigillaria and Lepidodendron are ****igned under the form taxon, Stigmaria. The lycopsids had rhizomes or shoot-like rhizomorphic axes, with lateral...
- Stigmaria, a common fossil tree root. Upper Carboniferous of northeastern Ohio....
- The rhizomes (Stigmaria) (bottom image) of lycopsids (including the Carboniferous Lepidodendrales) are thought to be developmentally equivalent to the...