Where: Fremont County, Colorado (38.5° N, 105.4° W: paleocoordinates 33.5° N, 51.8° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Morrison Formation, Late/Upper Jurassic (161.5 - 145.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: lime mudstone and mudstone
Size class: macrofossils
Preservation: adpression
Reposited in the DMNH
Collection methods: quarrying,
Primary reference: J. D. Pardo, A. K. Huttenlocker, B. J. Small and M. A. Gorman, II. 2010. The cranial morphology of a new genus of lungfish (Osteichthyes: Dipnoi) from the Upper Jurassic Morrison Formation of North America. Journal of Vertebrate Paleontology 30(5):1352-1359 [S. Peters/S. McMullen/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 136080: authorized by Shanan Peters, entered by Sharon McMullen on 16.11.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Osteichthyes | |
"Ptychoceratodus guentheri n. gen. n. sp." = Ceratodus guentheri
"Ptychoceratodus guentheri n. gen. n. sp." = Ceratodus guentheri Marsh 1878 lungfish |