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Figure 19. Phylogenetic relationship between basal mesotheriids. A in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure 19. Phylogenetic relationship between basal mesotheriids. A, strict consensus (26 steps, CI = 0.731, RI = 0.731; Bremer indices: Mesotheriidae = 2, Mesotheriinae = 1). B, majority-rule consensus, with percentages of nodes with less than 100% indicated (21 steps, CI = 0.905, RI = 0.923). C, Adams consensus (23 steps, CI = 0.826, RI = 0.846).
Figure 14 in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure 14. Lower dentition of Trachytherus alloxus. A, left dentary with broken i1–2 and broken p3, p4–m3, SAL 8. B, juvenile mandible with right di1–3, dc, p1, dp2–m1, and left di1–3, p1, dp2, MNHN-BOL-V 006138. Scale bar = 1 cm.
Figure 15 in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure 15. Lower cheek teeth of Trachytherus alloxus. A, left dentary with dp3–4, m1, SAL 900. B, right (reversed) dentary with dp4, m1, SAL 899. C, left dentary with m1–3, SAL 752. Scale bar = 1 cm.
Figure 8. Trachytherus alloxus, SAL 281. A in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure 8. Trachytherus alloxus, SAL 281. A, ventral (occlusal) view. B, left lateral view. Scale bar = 1 cm.
Figure 5. A in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure 5. A, Trachytherus alloxus, SAL 279, ventral view of the entire specimen. Scale bar = 1 cm. B, Trachytherus alloxus, SAL 279, stereographic photos showing details of the right ear region, ventral view. Scale bar = 1 cm. C, schematic representation of the right auditory region of SAL 279, ventral view. Grey areas correspond to damaged areas on the specimen.
Figure 11 in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure 11. Isolated upper cheek teeth of Trachytherus alloxus. A and B, mesial and occlusal view, respectively, of an undetermined left upper premolar (P3 or P4) SAL 788. C and D, occlusal and mesial view, respectively, of a left M2, SAL 786. Scale bar = 1 cm.
Figure 4 in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure 4. Reconstruction of the skull of Trachytherus alloxus, ventral view, from MNHN-BOL-V 006355, SAL 279, SAL 237 and SAL 7. Glenoid articular facets are delimited by dotted lines. Scale bar = 1 cm.
Figure A4. m1 in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure A4. m1 mesio-distal (m-d) length and labiolingual (l-l) width during three different wear stages (lingual aperture, enclosed fossette, featureless), in mm.
Figure 1. Tooth measurements. A in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure 1. Tooth measurements. A, upper cheekteeth, SAL 280. B, lower cheekteeth, SAL 8. Scale bar = 1 cm.
Figure 2 in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure 2. Trachytherus alloxus holotype, MNHN-BOL-V 00635. A, ventral view. B, dorsal view. C, left lateral view. Scale bar = 1 cm.
Figure 17. A in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure 17. A, holotype of T. curuzucuatiense (Podestá, 1889) = T. spegazzinianus, MACN 6867. B and C, holotype of Anatrachytherus soriai Reguero & Castro, 2004 = T. spegazzinianus, MACN A52-490; B, occlusal view; C, lateral view. Scale bar = 1 cm.
Figure A2. M2 in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure A2. M2 mesio-distal (m-d) length and labiolingual (l-l) width during three different wear stages (lingual aperture, enclosed fossette, featureless), in mm.
Figure 16 in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure 16. Upper dentition of Trachytherus spegazzinianus. A, holotype, MACN A235, partially restored with right and left I1, P2–M3 (after Ameghino, 1889b). B, partial palate, with left I1, P2–M2, MLP 52-XI-2-1. C, upper right (reversed) dP3–4, M1, MACN A52-566. Scale bar = 1 cm.
Figure 10. Trachytherus alloxus, SAL 280 right P3–M3 in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure 10. Trachytherus alloxus, SAL 280 right P3–M3 (reversed). A, schematic representation of the cheek teeth. B, photo of the specimen, occlusal view. Scale bar = 1 cm.
Figure A5. m2 in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure A5. m2 mesio-distal (m-d) length and labiolingual (l-l) width during three different wear stages (lingual aperture, enclosed fossette, featureless), in mm.
Figure 20 in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure 20. Locality map of some Oligocene mesotheriid-bearing localities. Lacayani (Trachytherus spegazzinianus); Salla (Trachytherus alloxus sp. nov.); Rio Pluma (Trachytherus subandinus); Curuzú Cuatiá (Trachytherus curuzucuatiense = Trachytherus spegazzinianus); Divisadero Largo (Trachytherus? mendocensis); Cabeza Blanca and La Flecha (Trachytherus spegazzinianus).
Figure 12 in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure 12. Restored ontogenetic series of M1. A, eight stages of Trachytherus alloxus from (1) SAL 1020, (2) SAL 750, (3) UF 149251, (4) SAL 808, (5) SAL 10, (6) SAL 690, (7) SAL 289 and (8) SAL 880. B, four stages of Trachytherus spegazzinianus from (1) MACN A52-566, (2) MACN A235, (3) MACN A52-492 and (4) FMNH P13281 (this last specimen after Patterson, 1934c). Scale bar = 1 cm.
Figure 9 in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure 9. Partial palates of Trachytherus alloxus. A, left I1, P2–M2, MNHN-BOL-V 009027. B, right I1, P2–M3, SAL 289. Scale bar = 1 cm.
Figure 3 in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure 3. Reconstruction of the skull of Trachytherus alloxus, dorsal view, from MNHN-BOL-V 006355, SAL 279 and SAL 280. Scale bar = 1 cm.
Figure A6. m3 in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure A6. m3 mesio-distal (m-d) length and labio-lingual (l-l) width during three different wear stages (lingual aperture, enclosed fossette, featureless), in mm.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.