The wall of Wondersella athersuchi is shown to be microperforate as well as smooth, so that this taxon is to be referred to the Praehedbergellidae rather than to the Hedbergellidae. This agrees with its proposed phylogenetic origin and its known biostratigraphical position.
- Received September 1, 1987.
- Revision received February 1, 1988.
- © 1988 The Micropalaeontological Society