单词 | Plagiaulacida |
释义 | Plagiaulacida [¦plā·jē·ǝ·yü`läs·ǝ·dǝ] 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. |
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