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FIG. 17 in A Revision of Philander (Marsupialia: Didelphidae), Part 1: P. quica, P. canus, and a New Species from Amazonia

FIG. 17. Projections of specimen scores on the first two principal components (A) and on factors representing general size and size-invariant shape differences (B) from analyses of craniodental measurements of Philander canus (open triangles) and P. opossum (filled circles). The coefficients of these axes are provided in table 12.

FIG. 16. Relationships among 46 cytochrome-b in A Revision of Philander (Marsupialia: Didelphidae), Part 1: P. quica, P. canus, and a New Species from Amazonia

FIG. 16. Relationships among 46 cytochrome-b sequences of Philander canus and P. pebas. This subtree shows the full details of the cartooned clades labeled "canus" and "pebas" in figure 5.

FIG. 15 in A Revision of Philander (Marsupialia: Didelphidae), Part 1: P. quica, P. canus, and a New Species from Amazonia

FIG. 15. Projections of specimen scores on the first two principal components (A) and on factors representing general size and size-invariant shape differences (B) from analyses of craniodental measurements of Philander quica (open circles) and P. opossum (filled circles). The coefficients of these axes are provided in table 10.

FIG. 13. Relationships among 28 cytochrome-b in A Revision of Philander (Marsupialia: Didelphidae), Part 1: P. quica, P. canus, and a New Species from Amazonia

FIG. 13. Relationships among 28 cytochrome-b sequences of Philander quica. This subtree shows the full details of the cartooned clade labeled "quica" in figure 5.

FIG. 12 in A Revision of Philander (Marsupialia: Didelphidae), Part 1: P. quica, P. canus, and a New Species from Amazonia

FIG. 12. Dorsal and ventral views of adult male crania of Philander species formally treated in this report: A, D, P. quica (MVZ 183247); B, E, P. canus (AMNH 210413); C, F, P. pebas (MVZ 190343, holotype). All views about ×1.3.

FIG. 10 in A Revision of Philander (Marsupialia: Didelphidae), Part 1: P. quica, P. canus, and a New Species from Amazonia

FIG. 10. Dorsal pelage of cis-Andean species of Philander compared in the text. From left to right: P. quica (MVZ 183246), P. canus (LACM 10086), P. pebas (MVZ 190343, holotype), P. mcilhennyi (LSU 16393), P. andersoni (LACM 91620), P. opossum (AMNH 266996). The dorsal fur of these species is always grayish or blackish in life, but museum skins often acquire brownish tones after long storage.

FIG. 6 in A Revision of Philander (Marsupialia: Didelphidae), Part 1: P. quica, P. canus, and a New Species from Amazonia

FIG. 6. Result of Bayesian analysis of concatenated sequence data from cytochrome b and five nuclear loci (Anon128, BRCA1, IRBP, OGT, SLC38) from exemplar specimens of each putative species (table 3). Gray boxes provide nodal support statistics (PP/BS) from analyses of nuclear genes only.

FIG. 7 in A Revision of Philander (Marsupialia: Didelphidae), Part 1: P. quica, P. canus, and a New Species from Amazonia

FIG. 7. Dendrogram resulting from UPGMA clustering of putative species of Philander using generalized distances computed from log-transformed craniodental measurement data (appendix 4).

FIG. 11 in A Revision of Philander (Marsupialia: Didelphidae), Part 1: P. quica, P. canus, and a New Species from Amazonia

FIG. 11. Ventral pelage of cis-Andean species of Philander compared in the text. From left to right: P. quica (MVZ 183246), P. canus (LACM 10086), P. pebas (MVZ 190343, holotype), P. mcilhennyi (LSU 16393), P. andersoni (LACM 91620), P. opossum (AMNH 266996).

FIG. 8 in A Revision of Philander (Marsupialia: Didelphidae), Part 1: P. quica, P. canus, and a New Species from Amazonia

FIG. 8. Dorsal, ventral, and lateral cranial views of Philander opossum (based primarily on AMNH 266387, an adult female from Paracou, French Guiana).

FIG. 19. Upper molar differences between Philander pebas and P in A Revision of Philander (Marsupialia: Didelphidae), Part 1: P. quica, P. canus, and a New Species from Amazonia

FIG. 19. Upper molar differences between Philander pebas and P. canus (see text for explanation). A, Occlusal view of left M2–M4 of P. pebas (MVZ 190343, holotype); B, occlusal view of left M2–M4 of P. canus (AMNH 210413). Abbreviations: poc, postcingulum; prc, precingulum.

FIG. 4 in A Revision of Philander (Marsupialia: Didelphidae), Part 1: P. quica, P. canus, and a New Species from Amazonia

FIG. 4. Dorsal and ventral cranial views and occlusal view of the maxillary dentition of Philander opossum, showing the anatomical limits of craniodental measurements defined in the text.

FIG. 9 in A Revision of Philander (Marsupialia: Didelphidae), Part 1: P. quica, P. canus, and a New Species from Amazonia

FIG. 9. Collection localities of examined specimens of Philander quica, P. canus, and P. pebas. The symbol for sympatry marks localities where P. canus and P. pebas have been collected together.

FIG. 5 in A Revision of Philander (Marsupialia: Didelphidae), Part 1: P. quica, P. canus, and a New Species from Amazonia

FIG. 5. Ultrametric tree from BEAST analysis of cytochrome-b sequences of Philander with putative species represented as cartooned terminals. Dashed vertical line indicates the threshold between Yule and coalescent processes as estimated by the likelihood implementation of the general mixed Yule coalescent model (GMYC). Bases of triangles at branch tips are proportional to the number of sequences belonging to each clade. Filled semicircles at each internal node indicate strong support from Bayesian (BEAST: PP) and maximum-likelihood (GARLI: BS) analyses of these data.

FIG. 1. A in A Revision of Philander (Marsupialia: Didelphidae), Part 1: P. quica, P. canus, and a New Species from Amazonia

FIG. 1. A member of the Philander melanurus complex attacking a large specimen of the venomous elapid snake Micrurus nigrocinctus (photo credit: Mario J. Gómez-Martínez). The pale supraocular spots and ashy dorsal coloration are diagnostic external traits of the genus Philander.

FIG. 3 in A Revision of Philander (Marsupialia: Didelphidae), Part 1: P. quica, P. canus, and a New Species from Amazonia

FIG. 3. Trans-Andean collection localities for sequenced specimens of Philander. Numbers are keyed to localities listed in the gazetteer (appendix 1).

FIG. 8 in A New Species of Monodelphis (Didelphimorphia: Didelphidae) from the Brazilian Amazon

FIG. 8. Dorsal and ventral cranial views of adult male Monodelphis adusta (A, USNM 534286), M. saci (B, UFPA 1422), and M. peruviana (C, AMNH 272781). Arrows indicate the diagnostic lateral concavity on the anterior root of the zygomatic arch in M. saci. Scale bar = 5 mm.

FIG. 6 in A New Species of Monodelphis (Didelphimorphia: Didelphidae) from the Brazilian Amazon

FIG. 6. Dorsal view of skins of adult specimens of Monodelphis saci (A, left to right: UFPA 1422, 1394, 1395, 1738, 1260), and M. peruviana (B, left to right: FMNH 169811, 172032; MVZ 173928; AMNH 264562, 272695; USNM 588019). Note the distinctly reddish head of M. saci.

FIG. 5 in A New Species of Monodelphis (Didelphimorphia: Didelphidae) from the Brazilian Amazon

FIG. 5. Dorsal (A), lateral (B), and ventral (C) views of the holotype skin of Monodelphis saci (UFPA 1422). Scale bar = 50 mm.

FIG. 7 in A New Species of Monodelphis (Didelphimorphia: Didelphidae) from the Brazilian Amazon

FIG. 7. Lateral cranial and mandibular views of adult male Monodelphis adusta (A, USNM 534286), M. saci (B, UFPA 1422), and M. peruviana (C, AMNH 272781). Scale bar = 5 mm.