Where: Coconino County, Arizona (36.7° N, 110.8° W: paleocoordinates 23.9° N, 48.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Navajo Sandstone Formation (Glen Canyon Group), Pliensbachian to Pliensbachian (190.8 - 174.1 Ma)

• about 80-100 feet below top of formation

•

•Navajo Sandstone forms uppermost part of Glen Canyon Group, and is Early Jurassic, but probably not older than Pliensbachian (Irmis 2005. A review of the vertebrate fauna of the Lower Jurassic Navajo Sandstone in Arizona. Mesa Southwest Museum Bulletin 11:55–71)

• bed-level stratigraphic resolution

Environment/lithology: eolian; sandstone

Size class: macrofossils

Collected by L. Brady in 1934

Collection methods: quarrying, mechanical,

Primary reference: L. F. Brady. 1935. Geology. Museum Notes, Museum of Northern Arizona 7(8):32-33 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 39642: authorized by Matthew Carrano, entered by Matthew Carrano on 01.06.2004

Creative Commons license: CC BY (attribution)