FIG. 25 in Craniodental Morphology And Phylogeny Of Marsupials

FIG. 25. Occlusal views of right lower molars of Distoechurus pennatus (A, AMNH 104058 [m2]), Hypsiprymnodon moschatus (B, AMNH 160120 [m2]), Trichosurus vulpecula (C, AMNH 65547 [m1]), and Lagostrophus fasciatus (D, AMNH 155105 [m1]). General features of lower molar crown morphology discussed in the text are illustrated, as are characters 158, 161, 162, 163, 166, 167, 168, 170, 171, 172, 174, 175, 176, 177, 178, 179, and 180 (see main text for descriptions of these characters and character states), as follows: Distoechurus 158(-), 161(0), 162(-), 163(0), 166(0), 167(0), 168(0), 170(0), 171(0), 172(0), 174(0), 175(1), 176(0), 177(0), 178(1), 179(-), 180(0); Hypsiprymnodon moschatus 158(-), 161(0), 162(-), 163(0), 166(0), 167(0), 168(1), 170(0), 171(0), 172(0), 174(0), 175(0), 176(0), 177(0), 178(1), 179(-), 180(0); Trichosurus vulpecula 158(-), 161(0), 162(-), 163(0), 166(0), 167(0), 168(1), 170(0), 171(0), 172(0), 174(-), 175(0), 176(0), 177(2), 178(1), 179(-), 180(0); Lagostrophus 158(-), 161(0), 162(-), 163(0), 166(0), 167(0), 168(0), 170(0), 171(0), 172(0), 174(-), 175(0), 176(0), 177(1), 178(1), 179(-), 180(0). Abbreviations: encd, entoconid; hycd, hypoconid; mecd, metaconid; prcd, protoconid. Numerical labels refer to character states defined in the text. Teeth are not drawn to the same scale.