One important consideration in taxonomic information is that the model that most people learn about taxonomic groupings is inconsistent with the way that the species are currently classified. This creates a conflict between what taxonomic information users expect to see and how it should be classified by real distinctions between species. After the interviews that I conducted I determined that users tended to conceptualize information according to the Linnaean classification system. In particular users thought about the information in terms of the taxonomic units:
For this reason I have decided to have the introduction to the information visualization system beginning with class data. The exact classes chosen should be based on classes. However there are far more classes than can be easily represented on a screen. I choose several based on the suggestions of the zoologists at the ADW. The hope is that these classes will help users orient themselves to the data by providing familiar groupings. The class should also be displayed in a way that presents the respective sizes of the classes. The visualization above is an attempt to visualize the selected classification data.
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