Lycopsida

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Lycopsida

a subdivision of the TRACHEOPHYTA including the club mosses Lycopodium and related species.
References in periodicals archive ?
Plint and Browne (1994) described upright lycopsids entombed in grey platy "lacustrine" mudstones.
The presence of a fossil flora consisting of sphenopsids, lycopsids, cordaitaleans, a varied suite of ferns (including tree fragments), and more occasional pteridosperms, is indicative of a humid environment.
This highly informative fossil displays a slender stem with mariopterid fronds still attached and wound around the stump of an arborescent lycopsid.
The leafy specimen of Bothrodendron punctatum described here from Cape Breton, Nova Scotia, Canada, is therefore the first of its kind to be round and reveals further evidence of the growth patterns and branch shedding of these relatively rare lycopsids.
Of the many other plants that occur rarely, representatives of the lycopsids, sphenopsids, ferns, pteridosperms, and cordaitaleans are present.
His analysis of fossil plants in their sedimentary context allowed Pennsylvanian coal swamp communities, dominated by lycopsids and calamiteans, to be distinguished from the coniferopsid forests, which occupied mountainous regions further inland.
The main levels of standing trees, dominated by lycopsids, were entombed where distributary channels brought sand into coastal wetlands.
a pseudoherbaceous segregate of Lepidodendron (Pennsylvanian): Phylogenetic context for evolutionary changes in lycopsid growth architecture.
Diversity changes in lycopsid and aquatic fern megaspores through geologic time.