Also known as Mothers Day Site, MDQ, MT-1
Where: Carbon County, Montana (45.2° N, 108.8° W: paleocoordinates 40.5° N, 52.8° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Morrison Formation, Kimmeridgian (157.3 - 152.1 Ma)
• "lower half of the Upper Jurassic Morrison Formation, approximately 12 m above the underlying Swift Formation"
• bed-level stratigraphic resolution
Environment/lithology: crevasse splay; massive, fine-grained, pebbly, intraclastic, gray, yellow, argillaceous, calcareous sandstone
Size classes: macrofossils, mesofossils
Preservation: soft parts
Collected by MOR, CMC in 1994-2003
Collection methods: quarrying, mechanical,
• discovered by MOR crews, then worked by Cinicinnati Museum Center
Primary reference: C. E. Turner and F. Peterson. 1999. Biostratigraphy of dinosaurs in the Upper Jurassic Morrison Formation of the Western Interior, U.S.A. In D. D. Gillette (ed.), Vertebrate Paleontology in Utah, Utah Geological Survey Miscellaneous Publication 99-1:77-114 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 69890: authorized by Matthew Carrano, entered by Matthew Carrano on 08.03.2007, edited by Jonathan Tennant
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
"Gymnospermae indet." = Pinophyta3
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Branchiopoda | |
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Reptilia | |
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