Fig. 14 in Phylogenetic Studies On Didelphid Marsupials Ii. Nonmolecular Data And New Irbp Sequences: Separate And Combined Analyses Of Didelphine Relationships With Denser Taxon Sampling

Fig. 14. Lingual views of anterior mandibular dentition illustrating taxonomic differences in lower incisor morphology. Top, Metachirus nudicaudatus (AMNH 266452) with distinct posterior accessory cusps on i1–i4. Bottom, Lutreolina crassicaudata (AMNH 210424) without distinct posterior accessory cusps on i1–i5.