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Definition of Cordaites
1. Noun. Tall Paleozoic trees superficially resembling modern screw pines; structurally intermediate in some ways between cycads and conifers.
Generic synonyms: Gymnosperm Genus
Group relationships: Cordaitaceae, Family Cordaitaceae
Lexicographical Neighbors of Cordaites
Literary usage of Cordaites
Below you will find example usage of this term as found in modern and/or classical literature:
1. Science by American Association for the Advancement of Science (1898)
"SCIENCE. than in cordaites—in fact, more reduced than in most living cycads and
conifers. Additional testimony to the same effect is furnished ..."
2. Catalogue of the Palæozoic Plants in the Department of Geology and by Robert Kidston (1886)
"specimens in which the nerves are of equal thickness, and the same distance apart
from each other, as are the thicker nerves in the specimens of cordaites ..."
3. The Encyclopedia Americanaedited by Frederick Converse Beach, George Edwin Rines edited by Frederick Converse Beach, George Edwin Rines (1903)
"Their leaves, as in portions of the cordaites shale of New Brunswick, Canada,
... The genus cordaites, as first used, may include any of these. ..."
4. Geology, Physical and Historical by Herdman Fitzgerald Cleland (1916)
"cordaites became extinct before the close of the Paleozoic, unless the ginkgo (p.
567) or maidenhair tree is a descendant. FIG. 476. ..."
5. A Manual of the North American Gymnosperms: Exclusive of the Cycadales But by David Pearce Penhallow (1907)
"cordaites, UNGER. PLATES 12 AND 13 Transverse. Pith of the Sternbergia type, the
cells large, thin-walled, often resinous. Growth rings, when present, ..."
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