Also known as PTRM locality V99011

Where: Slope County, North Dakota (46.4° N, 103.9° W: paleocoordinates 52.3° N, 79.0° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Ludlow Member (Fort Union Formation), Pu1 (66.0 - 63.3 Ma)

• "multiple horizons... between ~9 and ~14.6 m above the base of the Ludlow Member of the Fort Union Formation... [it] clearly falls within the magnetochron interval 29r, about halfway between the K/Pg boundary and the chron 29r/29n reversal"

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size class: mesofossils

Collection methods: surface (float)

• PTRM collection

•described specimen "was found at the surface"

Primary reference: D. L. Rook, J. P. Hunter, D. A. Pearson and A. Bercovici. 2010. Lower jaw of the Early Paleocene mammal Alveugena and its interpretation as a transitional fossil. Journal of Paleontology 84(6):1217-1225 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 105890: authorized by John Alroy, entered by John Alroy on 26.02.2011, edited by Roger Benson and Patricia Holroyd

Creative Commons license: CC BY (attribution)