Plagiaulacida


Plagiaulacida

[¦plā·jē·ə·yü′läs·ə·də] (paleontology) A primitive, monofamilial suborder of multituberculate mammals distinguished by their dentition (dental formula I 3/0 C 0/0 Pm 5/4 M 2/2), having cutting premolars and two rows of cusps on the upper molars.