Also known as Bentonnie Tsosie Arroyo/Wash; Betonnie-Tsosie Arroyo; Bitonitsoseh Arroyo; Eduardo Arroyo; Nameless Arroyo; Sinclair and Sinclair and Granger Loc. 7; Tsosie Hill; NMMNH locality L-646; L-0646; UCMP V-2811, V-3860; UNM B77-7

Where: San Juan County, New Mexico (36.3° N, 108.2° W: paleocoordinates 43.0° N, 87.8° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Nacimiento Formation, Puercan (65.5 - 63.3 Ma)

• underlies Middle ("Upper") Kimbetoh

•from an interval about 8 to 16 m above the Ojo Alamo-Nacimiento contact that is entirely of normal polarity and therefore almost certainly represents chron C29n: Lindsay et al. 1981; this interval is just below the middle of the normal zone

• member-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

Collection methods: bulk, sieve

Primary reference: T. E. Williamson. 1996. New Mex Museum of Natural History Science Bulletin 8 [J. Alroy/J. Alroy] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 14760: authorized by John Alroy, entered by John Alroy on 30.04.1994, edited by Chris Beard

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)