NMMNH P-66225 is from upper lower Smithian to lower upper Smithian beds (Thaynes Group). The collecting site is located about 2.75 km south-southeast of the Winecup Ranch, east-central Elko County, Nevada, USA. P-66225 is a partial skull preserved within a large limestone nodule, with its right side exposed. It preserves the portion between the cleithrum posteriorly, and the level of the hind margin of the orbital opening anteriorly. The fossil has a length of 26 cm.
Romano C., Jenks J. F., Jattiot R., Scheyer T. M., Bylund K. G., Bucher H., 2017. M3#175_NMMNH P-66225 . doi: 10.18563/m3.sf.175