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The AAPG/Datapages Combined Publications Database
CSPG Special Publications
Abstract
Palaeontology
Devonian Lycopods from northern New Brunswick
Abstract
The lycopod flora of Lower Devonian plant sites in northern New Brunswick has been studied and Drepanophycus gaspianus and D. spinaeformis identified from specified localities and horizons. The anatomy of D. gaspianus is reported for the first time. The xylem strand is primary, lobed in cross section, and exarch to mesarch. The tracheids are annularly thickened with the intraannular wall showing various sizes and numbers of rimmed perforations. Although seemingly unique among the lycopods, this feature may be the forerunner of the controversial Williamson’s striations of Carboniferous lycopsids. Some of the anatomical features of the laminar leaf are described.
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