What is "batodonoides"

Batodonoides (often misspelled as Batonoides) is a genus of extinct shrew-like mammals, which includes a species that is possibly the smallest mammal to have ever lived. Species of Batodonoides lived about during the early to middle Eocene Epoch in North America. The genus contains four species: the type species B. powayensis, the older B. vanhouteni, B. walshi and B. rileyi.