Where: Navajo County, Arizona (34.8° N, 109.9° W: paleocoordinates 10.5° N, 48.4° W)
• coordinate estimated from map
When: Sonsela Member (Chinle Formation), Norian (228.0 - 208.5 Ma)
• Approximate level of the basal Rainbow Forest bed of the Sonsela Member, about 11 to 12 m below Flattops Sandstone 1; originally referred to as lower Petrified Forest Member by Long & Murry (1995)
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Collected by UCMP in 1981-1985; reposited in the UCMP
Primary reference: R. A. Long and P. A. Murry. 1995. Late Triassic (Carnian and Norian) Tetrapods from the Southwestern United States. New Mexico Museum of Natural History and Science Bulletin 4:1-254 [M. Carrano/M. Carrano/P. Wagner]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 93232: authorized by Richard Butler, entered by Richard Butler on 08.01.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Leptosuchus sp. Case 1922 archosaur UCMP 126985, 126729, 126982, 126984, 126986, squamosals. UCMP 3408, mandibular symphysis
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Paratypothorax sp., "Stagonolepis wellesi" = Calyptosuchus wellesi
"Stagonolepis wellesi" = Calyptosuchus wellesi Long and Ballew 1985 aetosaur UCMP 126853, 126895, 126896, paramedian plates
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Amphibia | |
"Buettneria perfecta" = Anaschisma browni
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