Fig. 6 in New specimens of the multituberculate mammal Sphenopsalis from China: Implications for phylogeny and biology of taeniolabidoids

Fig. 6. Lower incisors of multituberculate mammal Sphenopsalis nobilis Matthew, Granger, and Simpson, 1928 from the upper Paleocene Nomogen beds at the Erden (Urtyn) Obo locality, Inner Mongolia, China. A. IVPP V19025, symphysis of mandibles with partial incisors in lateral right (A1) and left (A2), dorsal (A3), and ventral (A4) views. B. IVPP V19034, right incisor in medial (B1) and lateral (B2) views.