Where: Coconino County, Arizona (35.7° N, 111.3° W: paleocoordinates 19.3° N, 50.0° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Kayenta Formation (Glen Canyon Group), Sinemurian to Sinemurian (199.3 - 182.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the MCZ

Collection methods: mechanical,

Primary reference: J. Attridge, A. W. Crompton, and F. A. Jenkins, Jr. 1985. The southern African Liassic prosauropod Massospondylus discovered in North America. Journal of Vertebrate Paleontology 5(2):128-132 [R. Whatley/R. Whatley/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 46212: authorized by John Alroy, entered by Robin Whatley on 07.01.2005, edited by Richard Butler

Creative Commons license: CC BY (attribution)