Also known as Rock Head

Where: Coconino County, Arizona (35.7° N, 111.0° W: paleocoordinates 19.3° N, 49.8° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

When: Silty Facies Member (Kayenta Formation), Sinemurian to Sinemurian (199.3 - 182.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size classes: macrofossils, mesofossils

Collected in 1982; reposited in the UCMP

Primary reference: J. M. Clark and D. E. Fastovsky. 1986. Vertebrate biostratigraphy of the Glen Canyon Group in northern Arizona. The Beginning of the Age of the Dinosaurs: Faunal change across the Triassic-Jurassic boundary, N. C. Fraser and H.-D. Sues (eds.), Cambridge University Press 285-301 [R. Whatley/R. Whatley/R. Whatley]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 51895: authorized by Matthew Carrano, entered by Matthew Carrano on 30.06.2005, edited by Richard Butler

Creative Commons license: CC BY (attribution)