Caia

[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 http://en.wikipedia.org/wiki/Caia_(plant)

CAIA

Chemical and Allied Industries Association (South Africa)
Found on http://www.encyclo.co.uk/local/21114
No exact match found