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Washakie Formation

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Journal Article
Published: 01 August 2021
Journal of Paleontology (2021) 95 (S82): 1–115.
...Susumu Tomiya; Shawn P. Zack; Michelle Spaulding; John J. Flynn Abstract The middle Eocene Washakie Formation of Wyoming, USA, provides a rare window, within a single depositional basin, into the faunal transition that followed the early Eocene warming events. Based on extensive examination, we...
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Journal Article
Published: 01 November 2020
Journal of Paleontology (2020) 94 (6): 1180–1190.
...William W. Korth Abstract A large sample (>100 specimens) of the fossil rodent Thisbemys Wood, 1959, from the early Eocene (late Bridgerian; Br3) Washakie Formation of Wyoming is described. Two species are recognized: a new species, T . intermedius n. sp., and Thisbemys cf. T . uintensis (Osborn...
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Geographic extent of <b>Washakie</b> <b>Formation</b> and locations of other important ar...
Published: 01 August 2021
Figure 1. Geographic extent of Washakie Formation and locations of other important areas discussed in text. Base map modified from National Elevation Dataset Shaded Relief of Wyoming, courtesy of the United States Geological Survey.
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Oxyaenid  Patriofelis ferox  Marsh,  1872a , from the <b>Washakie</b> <b>Formation</b>. (...
Published: 01 August 2021
Figure 8. Oxyaenid Patriofelis ferox Marsh, 1872a , from the Washakie Formation. ( 1–4 ) posterior fragment of right dentary of FMNH PM 70167, showing occlusal view of m2 ( 1 ) and the whole piece in lateral ( 2 ), anterior ( 3 ), and medial ( 4 ) views; ( 5–10 ) left dentary fragment of FMNH
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Hyaenodontid  Thinocyon  Marsh,  1872c , from the <b>Washakie</b> <b>Formation</b>. Speci...
Published: 01 August 2021
Figure 15. Hyaenodontid Thinocyon Marsh, 1872c , from the Washakie Formation. Specimens referred to Thinocyon velox Marsh, 1872c : ( 1–4 ) left maxillary fragment with P4–M1 in occlusal view ( 1 ) and left p4–m1 in occlusal ( 2 ), lingual ( 3 ), and labial ( 4 ) views of FMNH PM 61173; ( 8
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Indeterminate hyaenodontid (FMNH PM 59529) from the <b>Washakie</b> <b>Formation</b>. ( 1...
Published: 01 August 2021
Figure 21. Indeterminate hyaenodontid (FMNH PM 59529) from the Washakie Formation. ( 1–3 ) left p3 in lingual ( 1 ), labial ( 2 ), and occlusal views ( 3 ); ( 4–6 ) right p4 fragment in labial ( 4 ), lingual ( 5 ), and occlusal ( 6 ) views. Black triangles point to small notch. Same 5 mm scale
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Measurements (in mm) of  Limnocyon  from the Bridger and <b>Washakie</b> <b>formation</b>...
Published: 01 August 2021
Table 5. Measurements (in mm) of Limnocyon from the Bridger and Washakie formations. See Table 3 for abbreviations. a All measurements from left side. b Measurements taken from digital photograph. c All measurements from right side. d Tooth notably worn. e Missing entocristid. *Holotype
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Dentition of carnivoraform  Uintacyon jugulans  from the <b>Washakie</b> <b>Formation</b>...
Published: 01 August 2021
Figure 25. Dentition of carnivoraform Uintacyon jugulans from the Washakie Formation. ( 1–3 ) Left p4–m1 of FMNH PM 62564 in lingual ( 1 ), labial ( 2 ), and occlusal ( 3 ) views. Same 5 mm scale applies to all images.
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Dental material of undetermined carnivoraforms from the <b>Washakie</b> <b>Formation</b>....
Published: 01 August 2021
Figure 41. Dental material of undetermined carnivoraforms from the Washakie Formation. FMNH PM 61314 (Carnivoraformes gen. indet., sp. A): ( 1–3 ) left m1 and m2 in lingual ( 1 ), labial ( 2 ), and occlusal ( 3 ) views. FMNH PM 61335 (Carnivoraformes gen. indet., sp. B): ( 4–6 ) right m1 trigonid
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Lower dentitions  Thisbemys intermedius  n. sp. from the <b>Washakie</b> <b>Formation</b>...
Published: 01 November 2020
Figure 2. Lower dentitions Thisbemys intermedius n. sp. from the Washakie Formation. ( 1 ) FMNH PM 55085, right p4–m1 (reversed); ( 2 ) FMNH PM 55086, left m1–m3; ( 3 ) FMNH PM 55881, left p4–m2; ( 4 ) FMNH PM 55855, left p4–m3 (holotype); ( 5 ) FMNH PM 55812, left p4–m3 (partial). All figures
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Upper dentitions of  Thisbemys intermedius  n. sp. from the <b>Washakie</b> <b>Format</b>...
Published: 01 November 2020
Figure 3. Upper dentitions of Thisbemys intermedius n. sp. from the Washakie Formation. ( 1 ) FMNH PM 55201, left P4; ( 2 ) FMNH PM 55809, left P4–M1(partial); ( 3 ) FMNH PM 56374, left dP4; ( 4 ) FMNH PM 55019, right M1 or M2; ( 5 ) FMNH PM 55020, right M1 or M2; ( 6 ) FMNH PM 56417, left M1
Journal Article
Published: 01 June 2010
Journal of Sedimentary Research (2010) 80 (6): 492–514.
... of the deltaic and fluvial sediments of the volcaniclastic Bridger and Washakie formations and the Sand Butte Bed of the Laney Member. The transition from the deposition of lacustrine to alluvial sediment also records a reversal in the direction of drainage across the basin that occurred between 49.5 Ma and 48.9...
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Journal Article
Published: 11 October 2016
Journal of Paleontology (2016) 90 (6): 1233–1244.
... could be one of two species— Wickia brevirhinus from the Sand Wash Basin of Colorado and Washakie Formation of Wyoming, or Metatelmatherium ultimum , a pan-Beringian species known from the Uintan Formation of Utah (and other Uintan age deposits) and the “Irdin Manha” Formation of Inner Mongolia, China...
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