M. B. Leite. 1990. Stratigraphy and mammalian paleontology of the Ash Hollow Formation (Upper Miocene) on the north shore of Lake McConaughy, Keith County, Nebraska. University of Wyoming Contributions to Geology 28(1):1-29 [ER 4181]

Contributed by John Alroy, entered by John Alroy on 2025-01-07

Samples: Lemoyne Quarry, Shoreline

Size measurements: Pseudhipparion gratum (P3 length 14.8 mm), Pseudhipparion gratum (P3 width 15.9 mm), Pseudhipparion gratum (P3 length 13.9 mm), Pseudhipparion gratum (P3 width 15.1 mm), Pseudhipparion gratum (p4 length 15.1 mm), Pseudhipparion gratum (p4 width 9.5 mm), Pseudhipparion gratum (p4 length 18.1 mm), Pseudhipparion gratum (p4 width 11.1 mm), Pseudhipparion gratum (p4 length 15.6 mm), Pseudhipparion gratum (p4 width 11.4 mm), Pseudhipparion gratum (m1 length 12.6 mm), Pseudhipparion gratum (m1 width 7.6 mm), Pseudhipparion gratum (m2 length 12.4 mm), Pseudhipparion gratum (m2 width 8.4 mm), Teleoceras major (M1 length 49.8 mm), Teleoceras major (M1 width 70.2 mm), Teleoceras major (M2 length 65.8 mm), Teleoceras major (M2 width 75.5 mm)