Blancan North American Land Mammal Age – Florida Vertebrate Fossils https://www.floridamuseum.ufl.edu/florida-vertebrate-fossils/land-mammal-ages/blancan/
Defining taxon: first appearance of the rodent genera Mimomys, Ogmodontomys, and Ophiomys south of 55° N latitude (Bell et al., 2004). Note that none of these genera are known from Florida. Basis of name: The Blancan NALMA takes its name from the Blanco Formation, a sedimentary rock unit found in
wolf Canis armbrusteri, the vole Microtus and/or the lemming