The Crayfish Collection database is accessible online through the collaborative InvertEBase data portal.
You can search OSUM's Crustacean holdings by going to the InvertEBase Portal and:
1. Unchecking the box "Select/Deselect all collections"
2. Checking the box next to "Ohio State University Museum of Biological Diversity - Crustaceans (OSUM)"
Contact firstname.lastname@example.org for inquiries about the collection or the database.