Also known as UALP 7733; Gidley's Locality 4, in part; Dragon Level at Wagonroad
Where: Emery County, Utah (39.0° N, 111.0° W: paleocoordinates 46.0° N, 90.5° W)
• coordinate based on political unit
When: North Horn Formation, Torrejonian (63.8 - 60.9 Ma)
• immediately above Dragon Canyon sensu stricto and close to the bottom of a reversed magnetic polarity zone interpreted as C27r, but there is no tie point in the section: see Lucas et al. 1997
• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial
Primary reference: Y. Tomida and R. F. Butler. 1980. Dragonian mammals and Paleocene magnetic polarity stratigraphy, North Horn Formation, central Utah. American Journal of Science 280:787-811 [J. Alroy/J. Alroy/P. Mannion]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 14889: authorized by John Alroy, entered by John Alroy on 30.04.1994
Creative Commons license: CC BY (attribution)
Taxonomic list
firmly correlated using paleomag with Dragon Canyon
Mammalia | |
Catopsalis fissidens Cope 1884 multituberculate | |
Promioclaenus cf. lemuroides Matthew 1897 condylarth | |
Haploconus angustus Cope 1881 condylarth | |
Chriacus baldwini Cope 1882 condylarth |