Also known as El Pilar locality 56, UALP 56
Where: Santa Cruz County, Arizona (31.7° N, 110.8° W: paleocoordinates 39.6° N, 83.9° W)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Fort Crittenden Formation, Late/Upper Campanian (83.5 - 70.6 Ma)
• age possibly Santonian but probably Campanian - assigned to late Campanian by Heckert et al. 2003; "shale member" of formation, erroneously attributed to "Upper Transitional Unit" (which = Turney Ranch Fm.) according to Lucas & Heckert 2005
• member-level stratigraphic resolution
Environment/lithology: fluvial; lithology not reported
Size class: macrofossils
Collected by H. Miller, R. McCord, A. Heckert in 1964-2003
Primary reference: R. Moore and H. W. Miller. 1960. A dinosaur-bearing section of Cretaceous rocks in the Empire Mountains, Pima County, Arizona. Arizona Geological Society Digest 3:57-61 [M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 24915: authorized by John Alroy, entered by John Alroy on 22.08.2002, edited by Matthew Carrano and Philip Mannion
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
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Actinopteri | |
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"cf. Lepidotus sp." = Lepidotes5
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Pycnodontidae indet.3 Agassiz 1833 | |
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Elopidae indet.5 Bonaparte 1846 | |
Bivalvia | |
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Gastropoda | |
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Insecta | |
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Ostracoda | |
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Aclistochara cf. bransoni6 Peck 1937 |