Where: Arizona (31.8° N, 109.6° W: paleocoordinates 4.7° S, 45.3° W)
• coordinate estimated from map
When: Black Prince Limestone Formation, Bashkirian (323.2 - 315.2 Ma)
• Its age, based on fusulinids and conodonts was determined by Thayer (1985) to be equivalent to the boundary between Westphalian A and B (lastest Morowan). Based on Menning et al. (2006) the age is late Bashkirian (~314 Ma).
Environment/lithology: estuary or bay; lithified, oncoidal limestone
Size class: macrofossils
Collection methods: Repository: University of Arizona Laboratory of Paleontology, Tucson, AZ, USA.
Primary reference: G. D. Johnson and D. W. Thayer. 2009. Early Pennsylvanian Xenacanth Chondrichthyans from the Swisshelm Mountains, Arizona, USA. Acta Palaeontologica Polonica 54(4):649-688 [M. Clapham/P. Vazquez]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 131603: authorized by Matthew Clapham, entered by Priscilla Vazquez on 27.07.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
| Chondrichthyes | |
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Triodus elpia n. sp.
Triodus elpia n. sp. Johnson and Thayer 2009 elasmobranch UAPL 23397, 23395, 23398, 23505, 23506, 23501, 23502, 23503, 23504
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Orthacanthus sp., ? Orthacanthus sp., Orthacanthus donnelljohnsi n. sp., Orthacanthus ? donnelljohnsi
Orthacanthus donnelljohnsi n. sp. Johnson and Thayer 2009 elasmobranch UAPL 23384, 5259, 23382, 23383, 23386, 23387, 23388, 23490, 23491, 23492, 23493, 23498, 23389, 23390-23393, 23396, 23497, 5270, 6335, 23385, 23488, 23394, 23489, 23499, 234500
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