Where: Arizona (36.7° N, 110.8° W: paleocoordinates 23.9° N, 48.5° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Navajo Sandstone Formation (Glen Canyon Group), Pliensbachian to Pliensbachian (190.8 - 174.1 Ma)
• 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: interdune; burrowed, fine-grained sandstone
Size class: macrofossils
Collection methods: SMU: Southern Methodist University
Primary reference: D. A. Winkler, L. L. Jacobs, J. D. Congleton and W. R. Downs. 1991. Life in a sand sea: biota from Jurassic interdunes. Geology 19:889-892 [R. Butler/R. Butler]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 137235: authorized by Richard Butler, entered by Richard Butler on 13.12.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Osteichthyes | |
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