BULLETIN FLORIDA STATE MUSEUM


and postisthmus). There is generally a progressive deepening of the ec-
toflexid posteriorly in the tooth row. The plicaballinid is rudimentary
or absent. The metaconids and metastylids are rounded, widely
separated, and approximately equal in size. The entoconids and
hypoconulids have rounded margins and are not widely separated. The
enamel is very simple with few plications. The lower permanent denti-
tions described here are similar to those of N. phlegon from Mt. Blanco
(e.g. AMNH 104711).
 Although no comprehensive list of dental measurements has been
published for N. phlegon from Mt. Blanco, the specimens from this


A



















B


0 1 2 3 4 5cm
 I I I I


FIGURE 6.-Nannippus phlegon, UF 7259, from Santa Fe River 1, Florida. (A) lateral
view of left mandibular ramus with P, M,; (B) occlusal view.


Vol. 25, No. 1