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FIGURE 11. Urophonius granulatus Pocock, 1898, dextral pedipalp chela. A, D, E in Systematic Revision of the granulatus Group of Urophonius Pocock, 1893 (Scorpiones, Bothriuridae), with Description of a New Species from Central Chile

FIGURE 11. Urophonius granulatus Pocock, 1898, dextral pedipalp chela. A, D, E. ♂ (MACN). B, C. ♀ (LBRE). A. Dorsal aspect. B. External aspect. C, D. Ventral aspect. F.

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FIGURE 15. Urophonius tregualemuensis Cekalovic, 1981, habitus. A, B in Systematic Revision of the granulatus Group of Urophonius Pocock, 1893 (Scorpiones, Bothriuridae), with Description of a New Species from Central Chile

FIGURE 15. Urophonius tregualemuensis Cekalovic, 1981, habitus. A, B. ♂ (AMNH). C, D. ♀ (AMNH). A, C. Dorsal aspect. B, D. Ventral aspect. Scale bars = 10 mm.

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FIGURE 2 in Systematic Revision of the granulatus Group of Urophonius Pocock, 1893 (Scorpiones, Bothriuridae), with Description of a New Species from Central Chile

FIGURE 2. Urophonius granulatus group, carapace, dorsal aspect, showing pigmentation pattern. A. Urophonius granulatus Pocock, 1898, ♂ (MACN). B. Urophonius somuncura Acosta, 2001, ♂ (MACN). C. Urophonius tregualemuensis Cekalovic, 1981, ♂ (MACN). D. Urophonius pizarroi, n. sp., paratype ♂ (MZUC). Scale bars = 1 mm.

Fig. 4 in Paleogene Pseudoglyptodont Xenarthrans from Central Chile and Argentine Patagonia

Fig. 4. CT scans of the holotype of Pseudoglyptodon chilensis, SGO PV 2995, revealing aspects of this taxon's dental morphology (dorsal plane). Upper scan, no. 563.18, showing molariform 2 and molariform 3 near the gumline. Lower scan, no. 563.24, illustrating cross sections of the upper canine roots and the upper postcanine dentition, also above the gumline. ''M'' and ''m'' signify upper and lower molariform teeth, respectively, as the true positions of these teeth are unknown.

Fig. 3 in Paleogene Pseudoglyptodont Xenarthrans from Central Chile and Argentine Patagonia

Fig. 3. Lateral view of the holotype of Pseudoglyptodon chilensis, SGO PV 2995. Visible near the base the coronoid process, appressed against the ventrolateral margin the mandibular ramus, is a thin fragment of bone interpreted as a remnant the descending process of the jugal. Wedges of the anterior and posterior parts of the base of the lower caniniform are visible immediately linguad of the upper caniniform, reflecting the unusual side-to-side occlusion of these enlarged anterior teeth.

Fig. 1. AMNH 29483 in Paleogene Pseudoglyptodont Xenarthrans from Central Chile and Argentine Patagonia

Fig. 1. AMNH 29483, mandibular fragment bearing one complete cheek tooth and part of a second, collected by G.G. Simpson from Cerro Blanco, Chubut Province, Argentina. Identified by Simpson (1948: 93) as ''Glyptodont, incertae sedis, perhaps Glyptatelus'', this specimen is here transferred to a new, but unnamed, species of Pseudoglyptodon. Reproduced from Simpson (1948: 93, fig. 23). Scale, 2X.

Fig. 2 in Paleogene Pseudoglyptodont Xenarthrans from Central Chile and Argentine Patagonia

Fig. 2. View east of the fossiliferous outcrop (2–3 km south of Termas del Flaco, Chile, and immediately northwest of an unnamed pass of 2738 m elevation [Anonymous, 1985]) from which the two known specimens of Pseudoglyptodon chilensis were recovered. The view is roughly perpendicular to the strike of the

Fig. 15 in New Basal Interatheriidae (Typotheria, Notoungulata, Mammalia) from the Paleogene of Central Chile

Fig. 15. Bivariate plot of basal interatheriids (excluding Eopachyrucos) using upper first molar dimensions.

Fig. 13 in New Basal Interatheriidae (Typotheria, Notoungulata, Mammalia) from the Paleogene of Central Chile

Fig. 13. Upper cladogram is a consensus of all trees 71 steps or shorter. The labeled nodes are those that persist compared to the consensus tree of 70 steps and shorter (fig. 6). The lower cladogram is a consensus of trees 72 steps and shorter, with persisting nodes labeled.

Fig. 14 in New Basal Interatheriidae (Typotheria, Notoungulata, Mammalia) from the Paleogene of Central Chile

Fig. 14. Interathere phylogeny after Reguero et al. (2003b; fig. 8). Reguero et al (2003b) presented two different phylogenies using two different analytic techniques but the topologies of the trees are identical.

Fig. 11. Antepithecus brachystephanus, SGOPV 3604 in New Basal Interatheriidae (Typotheria, Notoungulata, Mammalia) from the Paleogene of Central Chile

Fig. 11. Antepithecus brachystephanus, SGOPV 3604 (referred specimen), palate, right and left dP1-dP4, right and left M1, erupting right M2, portions of the right zygoma and rostrum, occlusal view. Azufre Locality.

Fig. 12. Antepithecus brachystephanus, SGOPV 3604 in New Basal Interatheriidae (Typotheria, Notoungulata, Mammalia) from the Paleogene of Central Chile

Fig. 12. Antepithecus brachystephanus, SGOPV 3604 (referred specimen), right dP1-dP4, right M1, erupting right M2, portions of the right zygoma and rostrum, right buccal view. Azufre Locality.

Fig. 10 in New Basal Interatheriidae (Typotheria, Notoungulata, Mammalia) from the Paleogene of Central Chile

Fig. 10. Ignigena minisculus, new taxon, SGOPV 3167 (referred specimen), left mandible, p1–p3, m1, left buccal view. Tapado Fauna.

Fig. 9 in New Basal Interatheriidae (Typotheria, Notoungulata, Mammalia) from the Paleogene of Central Chile

Fig. 9. Ignigena minisculus, new taxon, SGOPV 3167 (referred specimen), left mandible, p1-p3, m1, occlusal view. Tapado Fauna.

Fig. 2 in New Basal Interatheriidae (Typotheria, Notoungulata, Mammalia) from the Paleogene of Central Chile

Fig. 2. Johnbell hatcheri, new taxon, SGOPV 3106 (holotype), left maxilla, LI3-M3, occlusal view. Tinguiririca Fauna.

Fig. 5 in New Basal Interatheriidae (Typotheria, Notoungulata, Mammalia) from the Paleogene of Central Chile

Fig. 5. Johnbell hatcheri, new taxon, SGOPV 3451 (referred specimen), partial maxillary with RP2-M2, occlusal view. Cachapoal Fauna.

Fig. 7 in New Basal Interatheriidae (Typotheria, Notoungulata, Mammalia) from the Paleogene of Central Chile

Fig. 7. Ignigena minisculus, new taxon, SGOPV 3168 (holotype), left maxillary fragment, partial zygoma, C-M3, occlusal view. Tapado Fauna.

Fig. 1 in New Basal Interatheriidae (Typotheria, Notoungulata, Mammalia) from the Paleogene of Central Chile

Fig. 1. Map of the central Chilean Andes, illustrating the broad swath of Abanico Formation and equivalent deposits (shaded) and localities/faunas referred to in the text.

Fig. 4 in New Basal Interatheriidae (Typotheria, Notoungulata, Mammalia) from the Paleogene of Central Chile

Fig. 4. Johnbell hatcheri, new taxon, SGOPV 2950 (paratype), mandibular symphysis, Ri2-3, Li1- m3, occlusal view. Tinguiririca Fauna.

Fig. 6 in New Basal Interatheriidae (Typotheria, Notoungulata, Mammalia) from the Paleogene of Central Chile

Fig. 6. Consensus of 623 equally parsimonious trees of 70 steps (branch and bound search, all characters unordered, equally weighted; for individual trees: CI 5 0.74, RI 50.86). Labeled nodes are referenced from the text. Character states supporting nodes are listed adjacent to the node (if no number is given, it is the single derived state for the character, coded as ''1''). Character states with an asterisk indicate an equivocal condition in which either the most basal member of the clade in question is missing data for that character or the outgroup to that clade is missing the data for that character. Boxed character states represent conditions identified as diagnostic of Interatheriinae sensu Hitz et al., (2000) but are shown in this study to have a broader distribution.