Also known as St. Johns I
Where: Apache County, Arizona (34.5° N, 109.3° W: paleocoordinates 10.1° N, 48.0° W)
• coordinate based on unpublished field data
• outcrop-level geographic resolution
When: Blue Mesa Member (Chinle Formation), Norian (228.0 - 208.5 Ma)
• Two closely adjacent localities. All Blue Hills localities are in the uppermost Mesa Redondo (= Bluewater Creek) or lowermost Blue Mesa members, principally the latter. Assigned to the Adamanian LVF
• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Collected in 1921, 1923, 1924, 1926, 1981, 1983; reposited in the UCMP
Primary reference: C. L. Camp. 1930. A study of the phytosaurs with description of new material from western North America. University of California Memoirs 10:1-174 [R. Butler/R. Butler]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 52499: authorized by Matthew Carrano, entered by Matthew Carrano on 09.08.2005, edited by Richard Butler
Creative Commons license: CC BY (attribution)
Taxonomic list
Amphibia | |
"Buettneria perfecta" = Anaschisma browni3 Branson 1905 tetrapod UCMP, at least eight skulls (including UCMP 27039, 27051-27053, 37756) and large number of pectoral and other elements
Apachesaurus gregorii3 Hunt 1993 tetrapod UCMP, vertebrae, pectoral elements, limb elements, skull and lower jaw fragments. UCMP 175145, partial skull
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Reptilia | |
"Machaeroprosopus zunii n. sp." = Smilosuchus adamanensis Camp 1930 archosaur UCMP 27036, large postcranial skeleton
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Acaenasuchus geoffreyi n. gen. n. sp.3, "Stagonolepis wellesi" = Calyptosuchus wellesi3, ? Tecovasuchus sp.2
Acaenasuchus geoffreyi n. gen. n. sp.3 Long and Murry 1995 aetosaur UCMP 7308/139576 (holotype), paramedian plate. UCMP 7308/139577-139588, 139590-139621, plates
"Stagonolepis wellesi" = Calyptosuchus wellesi3 Long and Ballew 1985 aetosaur UCMP 27225, much of a carapace. UCMP 27158, two plates
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"Desmatosuchus haplocerus" = Episcoposaurus haplocerus4
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"Revueltosaurus hunti" = Krzyzanowskisaurus hunti1
"Revueltosaurus hunti" = Krzyzanowskisaurus hunti1 Heckert 2002 ornithischian UCMP 7307/139563-139575, teeth. Squamosal and multiple small plates previously identified as juvenile Stagonolepis are also referable to this taxon
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Osteichthyes | |
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