@UngulateNerd92 It has been there since 2008 when I moved to Cincinnati from Akron. Earlier than that I do not know, but I assume it has been there since the opening in 1999.
@Mai Thai ah thank you, that would make sense. It just occurred to me, that it would be interesting to also display material from fossil sirenians, some of which (ie Metaxytherium) have been found in Florida.