[plant] Caia is a genus of small fossil plants of Late Silurian age (around {period span/brief|Late Silurian|-1}). The diagnostic characters are naked parallel-sided axes branching isotomously, terminating in vertically elongate sporangia (spore-forming organs) which bear spinous emergences particularly at the distal ends. Spores are trilet...
Found on


Chemical and Allied Industries Association (South Africa)
Found on
No exact match found