Connection between Archaeopteris and Callixylon
- 20 May 1960
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 131 (3412), 1524-1525
- https://doi.org/10.1126/science.131.3412.1524
Abstract
Characters of two Upper Devonian genera, Archaeopteris, often considered to be a fern, and Callixylon, classified with the gymnosperms, have been recognized in a single specimen.This publication has 1 reference indexed in Scilit:
- The fossil plants of the Devonian and Upper Silurian formations of CanadaPublished by Biodiversity Heritage Library ,1871