Archaeocycas and Phasmatocycas - new genera of Permian cycads
Journal of Research of the U.S. Geological Survey
By: Sergius H. Mamay
Links
- Document: Report (16.0 MB pdf)
- Download citation as: RIS | Dublin Core
Abstract
The generic names Archaeocycas and Phasmatocycas are introduced for two previously announced but unnamed new genera of Early Permian plants; these taxa are regarded as early stages in the cycadean lineage. The names arc formalized with diagnoses, illustrations, and type designations.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Archaeocycas and Phasmatocycas - new genera of Permian cycads |
| Series title | Journal of Research of the U.S. Geological Survey |
| Volume | 1 |
| Issue | 6 |
| Year Published | 1973 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Publisher location | Reston, VA |
| Description | 3 p. |
| First page | 687 |
| Last page | 689 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |