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FIGURE 12. Dinocerata and Perissodactyla from TBM. 1-3 in Mammals from the earliest Uintan (middle Eocene) Turtle Bluff Member, Bridger Formation, southwestern Wyoming, USA, Part 2: Apatotheria, Lipotyphla, Carnivoramorpha, Condylartha, Dinocerata, Perissodactyla and Artiodactyla

FIGURE 12. Dinocerata and Perissodactyla from TBM. 1-3, Uintatherium anceps: Lp2, (DMNH 75310) in occlusal view (1); RP3 or 4 (DMNH 75308) in occlusal view (2); Lm2 (DMNH 75309) in occlusal view (3). 4-10, Wickia sp., cf. W. brevirhinus: LC (DMNH 75306) in labial view (4); RI3 (DMNH 75312) in lingual view (5); RP2 (DMNH 75311) in occlusal view (6); LM1 (DMNH 75305) in occlusal view (7); RM3 (DMNH 75304) in occlusal view (8); partial Lp4? (DMNH 75314) in occlusal view (9); Lm1 (DMNH 75307) in occlusal view (10). Scale bar equals 10 mm.

FIGURE 11. Carnivoramorpha and Condylartha from TBM. 1 in Mammals from the earliest Uintan (middle Eocene) Turtle Bluff Member, Bridger Formation, southwestern Wyoming, USA, Part 2: Apatotheria, Lipotyphla, Carnivoramorpha, Condylartha, Dinocerata, Perissodactyla and Artiodactyla

FIGURE 11. Carnivoramorpha and Condylartha from TBM. 1, Viverravus gracilis, LM2 (UCM 95809). 2-3, Hyposodus lepidus: RM1 or 2, UCM 67958 (2); Rm1 or 2, UCM 67956 (3). All occlusal views. Scale bar = 1 mm.

FIGURE 3. Sespedectidae from TBM. 1-8 in Mammals from the earliest Uintan (middle Eocene) Turtle Bluff Member, Bridger Formation, southwestern Wyoming, USA, Part 2: Apatotheria, Lipotyphla, Carnivoramorpha, Condylartha, Dinocerata, Perissodactyla and Artiodactyla

FIGURE 3. Sespedectidae from TBM. 1-8, Scenopagus curtidens: LM1 (UCM 68966) in occlusal view (1); Ldp4 (UCM 110344) in occlusal (2) and labial (3) views; Lm1 or 2 (UCM 95685) in occlusal (4) and labial (5) views; Rm1 or 2 (UCM 95684) in occlusal (6) and labial (7) views; partial Rm3 (UCM 68968) in occlusal view (8). 9-11, Scenopagus priscus: Rm1 or 2 (UCM 95683) in occlusal (9) and labial (10) views; Rm3 (SDSNH 110345) in occlusal view (11). 12- 13, Sespedectidae, genus undetermined, partial Lm1 or 2 (SDSNH 110343) in labial (12) and occlusal (13) views. Scale bar equals 1 mm.

FIGURE 15 in Mammals from the earliest Uintan (middle Eocene) Turtle Bluff Member, Bridger Formation, southwestern Wyoming, USA, Part 2: Apatotheria, Lipotyphla, Carnivoramorpha, Condylartha, Dinocerata, Perissodactyla and Artiodactyla

FIGURE 15. Merycobunodon? walshi new species from TBM. RM1 or 2 (UCM 67888, holotype, with 1 original specimen, 2-4 cast showing detail better) in occlusal (1- 2), posterior (3), and anterior (4) views. Scale bar equals 1 mm.

FIGURE 5 in Mammals from the earliest Uintan (middle Eocene) Turtle Bluff Member, Bridger Formation, southwestern Wyoming, USA, Part 2: Apatotheria, Lipotyphla, Carnivoramorpha, Condylartha, Dinocerata, Perissodactyla and Artiodactyla

FIGURE 5. Entomolestes westgatei new species from TBM. Specimens showing position of mental foramen (MF) and alveoli for antemolars anterior of p4. See text for proposed alveolar homologies. 1-2, partial dentary with Lp4-m1 (UCM 95686, m1 not shown) in occlusal (1) and labial (2) views. 3-4, partial dentary with Lp4-m1 (UCM 95687, holotype, m1 not shown) in occlusal (3) and labial (4) views. Scale bar equals 1 mm.

FIGURE 1 in Mammals from the earliest Uintan (middle Eocene) Turtle Bluff Member, Bridger Formation, southwestern Wyoming, USA, Part 2: Apatotheria, Lipotyphla, Carnivoramorpha, Condylartha, Dinocerata, Perissodactyla and Artiodactyla

FIGURE 1. Schematic stratigraphic column of type section Turtle Bluff Member on southwest flank of Cedar Mountain, Bridger Formation, showing relative stratigraphic positions of SDSNH, DMNS and UCM localities (along with the locality names in parentheses) that yielded the fossils described in this paper (reproduced from Kelly and Murphey, 2016a, figure 1). MPM Locality 2970 occurs on southwest flank of Sage Creek Mountain, and its approximate relative stratigraphic position is projected onto type section. Abbreviations are: Lithostr., lithostratigraphic; NALMA, North American Land Mammal age.

FIGURE 10. Oligoryctidae and unnamed lipotyphlan from TBM. 1-4 in Mammals from the earliest Uintan (middle Eocene) Turtle Bluff Member, Bridger Formation, southwestern Wyoming, USA, Part 2: Apatotheria, Lipotyphla, Carnivoramorpha, Condylartha, Dinocerata, Perissodactyla and Artiodactyla

FIGURE 10. Oligoryctidae and unnamed lipotyphlan from TBM. 1-4, unnamed apternodontid sp.: partial LM1 or 2 (SDSNH 110348) in occlusal (1) and anterior (2) views; partial Rm1 or 2 (SDSNH 110349) in occlusal (3) and labial (4) views. 5-6, unnamed lipotyphlan sp., partial dentary with Rp4 (DMNH 75258) in occlusal (5) and labial (6) views. Scale bars equals 1 mm.

FIGURE 8. Nyctitheriidae from TBM. 1-6 in Mammals from the earliest Uintan (middle Eocene) Turtle Bluff Member, Bridger Formation, southwestern Wyoming, USA, Part 2: Apatotheria, Lipotyphla, Carnivoramorpha, Condylartha, Dinocerata, Perissodactyla and Artiodactyla

FIGURE 8. Nyctitheriidae from TBM. 1-6, Nyctitherium velox: RM2 (DMNH 75292) in occlusal view (1); RM2 (UCM 95771) in occlusal view (2); RM2 (UCM 68581) in occlusal view (3); RM3 (DMNH 75291) in occlusal view (4); partial Lm2 (DMNH 75317) in occlusal view (5); partial Lm2 (SDSNH 110409) in occlusal view (6). (7), Pontifactor bestiola, RM1 (UCM 71129) in occlusal view. 8-10, Nyctitherium gunnelli new species, LP4 (UCM 95769) in occlusal (8), labial (9), and lingual (10) views. Scale bar equals 1 mm.

FIGURE 2. Apatemyidae from TBM. 1-6 in Mammals from the earliest Uintan (middle Eocene) Turtle Bluff Member, Bridger Formation, southwestern Wyoming, USA, Part 2: Apatotheria, Lipotyphla, Carnivoramorpha, Condylartha, Dinocerata, Perissodactyla and Artiodactyla

FIGURE 2. Apatemyidae from TBM. 1-6, Apatemys bellulus: RM1, UCM 70967 (1); Lm1, UCM 95804 (2); Lm2, UCM 68923 (3); partial Rm3, UCM 68424 (4); Lm3, UCM 95807 (5); Rm3, UCM 70676 (6). 7-12, Apatemys rodens: LM1, UCM 68580 (7); LM3, SDSNH 110342 (8); LM3, UCM 68970 (9); Rm3, UCM 95805 (10); partial Lm3, UCM 66324 (11). Rm3, 95801 (12). All occlusal views. Scale bar equals 1 mm.

FIGURE 9. Chart comparing m1-2 in Mammals from the earliest Uintan (middle Eocene) Turtle Bluff Member, Bridger Formation, southwestern Wyoming, USA, Part 2: Apatotheria, Lipotyphla, Carnivoramorpha, Condylartha, Dinocerata, Perissodactyla and Artiodactyla

FIGURE 9. Chart comparing m1-2 anteroposterior length (ap) versus m1-2 talonid width (trp) in mm of specimens of Nyctitherium velox (including two referred specimens from TBM, SDSNH 110409 and UCM 68967) and holotype m1- 2 (SDSNH 110393) of Nyctitherium gunnelli new species. Black solid filled squares/circles are m1s and white filled squares/circles are m2s. Except for SDSNH 110409 and UCM 68967, measurements of other specimens of N. velox from Robinson (1968a) and Krishtalka (1976b).

FIGURE 14 in Mammals from the earliest Uintan (middle Eocene) Turtle Bluff Member, Bridger Formation, southwestern Wyoming, USA, Part 2: Apatotheria, Lipotyphla, Carnivoramorpha, Condylartha, Dinocerata, Perissodactyla and Artiodactyla

FIGURE 14. Homacodon sp., cf. H. vagans from TBM. Partial Rp3 (UCM 95810) in occlusal (1), lingual (2), and labial (3) views. Scale bar equals 1 mm.

FIGURE 7 in Mammals from the earliest Uintan (middle Eocene) Turtle Bluff Member, Bridger Formation, southwestern Wyoming, USA, Part 2: Apatotheria, Lipotyphla, Carnivoramorpha, Condylartha, Dinocerata, Perissodactyla and Artiodactyla

FIGURE 7. Nyctitherium gunnelli new species from TBM, associated Lp4-m2 (SDSNH 110393, holotype): Lp4 in occlusal (1), labial (4), and lingual (7) views; Lm1 in occlusal (2), labial (5), and lingual (8) views; Lm2 in occlusal (3), labial (6), and lingual (9) views. Scale bar equals 1 mm.

FIGURE 13. Perissodactyla from TBM. 1-4 in Mammals from the earliest Uintan (middle Eocene) Turtle Bluff Member, Bridger Formation, southwestern Wyoming, USA, Part 2: Apatotheria, Lipotyphla, Carnivoramorpha, Condylartha, Dinocerata, Perissodactyla and Artiodactyla

FIGURE 13. Perissodactyla from TBM. 1-4, Triplopus sp., cf. T. obliquidens, partial left dentary with alveolus for p1, p2, partial p3, p4 and partial m1 (UCM 69053 with 1, 3-4 original specimen, 2 cast showing detail better) in occlusal (1- 2), labial (3) and lingual (4) views. 5-6, Epihippus sp., cf. E. gracilis, Rp3 (SDSNH 110408) in occlusal (5) and lingual (6) views. Scale bars for 1-2 and 3-4 equals 5 mm. Scale bar for 5-6 equals 1 mm.

FIGURE 6. Geolabididae from TBM. 1-4 in Mammals from the earliest Uintan (middle Eocene) Turtle Bluff Member, Bridger Formation, southwestern Wyoming, USA, Part 2: Apatotheria, Lipotyphla, Carnivoramorpha, Condylartha, Dinocerata, Perissodactyla and Artiodactyla

FIGURE 6. Geolabididae from TBM. 1-4, Centetodon bembicophagus: LP4 (UCM 68681) in occlusal view (1); partial Lm1 or 2 (UCM 68899) in occlusal view (2); Lm1 or 2 (DMNH 75256) in occlusal view (3); Lm3 (DMNH 75257) in occlusal view (4). 5-10, Centetodon pulcher: partial dentary with Lp4-m1 (UCM 95767) in occlusal (5) and labial (6) views; Rm1 or 2 (UCM 95768) in occlusal view (7); partial dentary with Lp1 and p4-m3 (UCM 68963) in occlusal (8), labial (9), and lingual (10) views. Scale bar equals 1 mm.

FIGURE 4. Entomolestes westgatei new species from TBM. 1-2 in Mammals from the earliest Uintan (middle Eocene) Turtle Bluff Member, Bridger Formation, southwestern Wyoming, USA, Part 2: Apatotheria, Lipotyphla, Carnivoramorpha, Condylartha, Dinocerata, Perissodactyla and Artiodactyla

FIGURE 4. Entomolestes westgatei new species from TBM. 1-2, partial dentary with Lp4-m1 (UCM 95687, holotype) in labial (1) and occlusal (2) views. 3-5, partial dentary with partial Rm1 and m2-3 (UCM 67884) in occlusal (3), labial (4), and lingual (5) views. Scale bar equals 1 mm.

Fig. 2 in Turtle tracks from the Late Jurassic of Asturias, Spain

Fig. 2. Schematic drawing of the tracks from the Quintueles cliffs (Villaviciosa) site (m, manual print; p, pedal print). Specimen left in the outcrop.

Fig. 8. A in Turtle tracks from the Late Jurassic of Asturias, Spain

Fig. 8. A. Chelonipus torquatus Rühle von Liliestern, 1939. B. Emydhipus cameroi Vidarte et al., 2003. Emydhipus differs from Chelonipus in having the manual prints with evident parallel ungual traces, slightly internal and apparently always away in respect to the pedal ones. The different position of the manual prints in the trackways could be related to a different trackmakers anatomy and possibly to different vertebrate taxa.

Fig. 3 in Turtle tracks from the Late Jurassic of Asturias, Spain

Fig. 3. Turtle tracks from the Late Jurassic of Asturias. A. Manual print from Luces cliffs (Colunga) (MUJA 654). B. Pedal print from from Luces cliffs (Colunga) (MUJA 654). C–H. Prints from the main ichnoassemblage at Quintueles cliffs (Villaviciosa), manus−pes sets (C–E), manual prints (F, G), pedal print (H). I. Manual print from Oles ichnosite. J. Manus−pes set from Oles ichnosite (m, manual print; p, pedal print). C–J, left in the outcrop.

Fig. 10 in Turtle tracks from the Late Jurassic of Asturias, Spain

Fig. 10. Trackways of living terrestrial and marshy turtles. A. Testudo marginata in terrestrial walking on firm sand. B. Testudo hermanni in terrestrial walking on firm sand. C. Cuora amboinensis in terrestrial walking on firm mud. D. Emys orbicularis in terrestrial walking on firm mud. E. Emys orbicularis in bottom walking (shallow water) on very fine sand. F. Rhinoclemmys pulcherrima in terrestrial walking on firm mud. G. Rhinoclemmys pulcherrima in bottom walking on semi−liquid mud. (m, manual print; p, pedal print).

Fig. 5 in Turtle tracks from the Late Jurassic of Asturias, Spain

Fig. 5. Turtle tracks from the Late Jurassic of Asturias. A. Manual print from Oles. B. Pedal print from Oles. C. Manus−pes set from the main ichnoassociation at Quintueles cliffs (Villaviciosa). D. Manual print from the main ichnoassociation at Quintueles cliffs (Villaviciosa). E. Manus−pes set from Luces cliffs (Colunga) (MUJA 654). F. Scratch marks from Tazones (Villaviciosa). A–D, F, left at the outcrops.