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Related to Lycopsid: gymnosperm
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Noun1.Lycopsida - club mosses and related forms: includes Lycopodiales; Isoetales; Selaginellales; and extinct Lepidodendrales; sometimes considered a subdivision of Tracheophyta
class - (biology) a taxonomic group containing one or more orders
division Pteridophyta, Pteridophyta - containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta
class Lycopodineae, Lycopodineae - alternative designation for the class Lycopsida
club moss, club-moss, lycopod - primitive evergreen moss-like plant with spores in club-shaped strobiles
Lepidodendrales, order Lepidodendrales - fossil arborescent plants arising during the early Devonian and conspicuous throughout the Carboniferous
Lycopodiales, order Lycopodiales - lower vascular plants coextensive with the family Lycopodiaceae; in some classifications includes the Selaginellaceae and Isoetaceae
order Selaginellales, Selaginellales - in some classifications included in Lycopodiales
Isoetales, order Isoetales - aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
It is made up of 250,000 square metres of fossilised lycopsid trees, an area as big as 35 football pitches.
(2006): A fossil lycopsid forest succession in the classic Joggins section of Nova Scotia: paleoecology of a disturbance-prone Pennsylvanian wetland.
Your fossil is a piece of the spreading root system, or rhizophore, of a lycopsid tree, or giant club moss.
Flora is dominated by the marsh lycopsid Cormophyton.
Early studies of the Late Devonian Cleveland Shale of Ohio have revealed many arborescent lycopsid axes and cones.
As with the lycopsid taxa revised in an earlier paper (Alvarez-Vazquez and Wagner 2014), the published record of Canadian sphenopsids from lower Westphalian strata is only sporadic and may be regarded as incomplete.
With respect to the origin of lycopsid (Lycopodium, etc.) leaves, however, there has been much disagreement (Browne, 1935).
Over fifteen years of study in this shale have revealed the presence of many lycopsid axes and cones, and some progymnosperms.
A Stigmaria (lycopsid rhizomorph) with a pyritized rind, which has a [delta][sup.34]S value of 31[per thousand], was recovered from poorly exposed mudrocks in the intertidal zone at ~949 m (Wagner et al.
This highly informative fossil displays a slender stem with mariopterid fronds still attached and wound around the stump of an arborescent lycopsid. However, it remains uncertain whether this mariopterid climbed solely with its twining stem or was attached to the tree by means of shoot-borne roots.
Late in the month, Lucy discovered an upright lycopsid stump at Parrsboro that contained a small temnospondyl skull, the first tetrapod fossil ever found at a locality known for its trackways.
nov., a pseudoherbaceous segregate of Lepidodendron (Pennsylvanian): Phylogenetic context for evolutionary changes in lycopsid growth architecture.