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Fossil of the Middle-Late Ordovician giant trilobite Isotelus. †Isotelus †Isotelus maximus †Kindleoceras †Kionoceras †Kockelella †Lambeoceras †Leiosphaeridia †Lepidodendron †Lepidodendron aculeatum; Lingula †Liroceras – tentative report †Loxomma †Loxomma lintonensis – type locality for species †Maelonoceras ...
During the late Mississippian Ohio was covered by a shallow sea. Near the end of the Mississippian the seas withdrew from the state. Ohio was located near the equator. The fossil record of Ohio includes greater numbers of land plants, brachiopods, clams, crinoids, fishes. [4] Ohio was a low-lying swampy plain near the coast during the ...
These fossils look much like tire tracks or alligator skin, lending the Greek name "Lepidodendrales," meaning "scale trees." These leaf cushions are actually the expanded leaf base which remained after the leaves fell, as the abscission of the leaf was not flush to the stem surface.
This list of the Paleozoic life of Ohio contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Ohio and are between 538.8 and 252.17 million years of age.
Stigmaria had a complex branching structure; thus, it is comparable to the rhizomes of the extant (living) relative, the quillworts (genus Isoetes).The stigmarian systems had rhizomorph axes that shows circular scars or a helical arrangement where the root-like appendages were formerly attached.
Lycopodiopsida is a class of vascular plants also known as lycopsids, [1] lycopods, or lycophytes. Members of the class are also called clubmosses , firmosses , spikemosses and quillworts . They have dichotomously branching stems bearing simple leaves called microphylls and reproduce by means of spores borne in sporangia on the sides of the ...
Lepidodendron is an extinct genus of primitive lycopodian vascular plants belonging the order Lepidodendrales.It is well preserved and common in the fossil record. Like other Lepidodendrales, species of Lepidodendron grew as large-tree-like plants in wetland coal forest environments.
The consensus classification produced by the Pteridophyte Phylogeny Group classification in 2016 (PPG I) places all extant (living) lycophytes in the class Lycopodiopsida. [11] There are around 1,290 to 1,340 such species. [12] [13] [11] For more information on the classification of extant lycophytes, see Lycopodiopsida § Classification.