Abstract
A new endemic genus of eomyid rodents from the early Miocene of Japan
Highlights
Fossil rodents are generally scarce in the Miocene of Japan
As much as three taxa of eomyid rodents had been reported from the early Miocene Nakamura Formation in Gifu Prefecture, central Japan
The new genus is closely related to but distinguished from Asianeomys, which is more widely distributed in Central and East Asia, by having: (i) more bunodont cheek teeth with lower lophids, yet complete transverse lophids; (ii) two-rooted p4; (iii) anterior lobe narrower than posterior lobe on m1, correspondingly synclinid I shorter and shallower than synclinid IV; (iv) hypolophid anteriorly concave on m1
Summary
Fossil rodents are generally scarce in the Miocene of Japan. 18.5 Ma) in Gifu Prefecture, central Japan.
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