TABLE 1. Revised faunal list for the Purple Bench Locality (TMM 41672). Compiled from (West, 1982; Gustafson, 1986; Wilson, 1986b; Walton, 1993; Williams and Kirk, 2008; Kirk and Williams, 2011; Stocker and Kirk, 2016; Kirk, 2018). * = endemic taxon known only from Purple Bench.
| Higher Taxon | Species | Source |
| Amphisbaenia | Solastella cookei* | Stocker and Kirk, 2016 |
| Serpentes | Alethinophidia sp. indet | Stocker and Kirk, 2016 |
| Anguimorpha | Glyptosaurinae sp. indet. | Stocker and Kirk, 2016 |
| Eutheria, incertae sedis | Simidectes magnus | Wilson, 1986 |
| Artiodactyla | Leptoreodon edwardsi | Wilson, 1986 |
| Artiodactyla | Leptoreodon major | Wilson, 1986 |
| Artiodactyla | ?Malaquiferus sp. | Wilson, 1986 |
| Artiodactyla | Protoreodon petersoni | Wilson, 1986 |
| Artiodactyla | Protoreodon pumilus | Wilson, 1986 |
| Artiodactyla | ?Protylopus sp. | Wilson, 1986 |
| Artiodactyla | Texodon meridianus* | West, 1982 |
| Carnivora | ?Uintacyon scotti | Gustafson, 1986 |
| Condylarthra | Hyopsodus uintensis | West, 1982 |
| Perissodactyla | Epihippus uintensis | Wilson, 1986 |
| Perissodactyla | ?Triplopus sp. | Wilson, 1986 |
| Primates | Diablomomys dalquesti* | Williams and Kirk, 2008 |
| Primates | Mescalerolemur horneri* | Kirk and Williams, 2011 |
| Primates | Omomyinae, gen. nov.* | Kirk, 2018 |
| Rodentia | Leptotomus sp. | Wilson, 1986 |
| Rodentia | Microparamys sp. | Wilson, 1986 |
| Rodentia | Mysops sp. | Wilson, 1986 |
| Rodentia | Paramys cf. P. delicatior | Wilson, 1986 |
| Rodentia | Pauromys sp. indet. | Walton, 1993 |
| Rodentia | Prolapsus sp. | Wilson, 1986 |
| Rodentia | Thisbemys sp. | Wilson, 1986 |
TABLE 2. Detrital zircon geochronometric results from TuffZirc algorithm (Isoplot; Ludwig, 2003). Full tabulated results of individual zircon U-Pb ages are provided in Supplementary data file.
| Sample Locality | Total number zircons dated |
Number of ages used in weighted mean |
TuffZirc weighted mean age (Ma) |
Error (Ma) |
|
| + | - | ||||
| Peaches TMM 46513 |
59 | 20 | 42.8 | 1.0 | 0.4 |
| Purple Bench TMM 41672 Sublocality 19 |
57 | 17 | 44.2 | 0.3 | 0.7 |
| Purple Bench tuff TMM 41672 Sublocality 8 |
54 | 17 | 43.7 | 0.8 | 0.2 |
| Krister Step TMM 44174 |
23 | 6 | 45.5 | 0.2 | 1.4 |
| Rhino’s Loaf TMM 45914 |
50 | 19 | 45.4 | 0.6 | 1.1 |
