Also known as Leonardo
Where: Phillips County, Montana (48.6° N, 107.9° W: paleocoordinates 55.2° N, 73.4° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: McClelland Ferry Member (Judith River Formation), Middle Campanian to Middle Campanian (83.5 - 70.6 Ma)
• middle of formation, in fluvial section of formation
• bed-level stratigraphic resolution
Environment/lithology: channel lag; poorly lithified, lenticular, fine-grained, concretionary, yellow, calcareous sandstone and claystone
Size classes: macrofossils, microfossils
Preservation: mold/impression, concretion, soft parts
Collected by Stephenson in 2000
Collection methods: quarrying, surface (in situ), mechanical,
Primary reference: N. L. Murphy, D. Trexler, and M. Thompson. 2002. Exceptional soft-tissue preservation in a mummified ornithopod dinosaur from the Campanian Judith River Formation. Journal of Vertebrate Paleontology 22(3 (suppl.)):91A [M. Carrano/M. Carrano]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 73891: authorized by Matthew Carrano, entered by Matthew Carrano on 11.07.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Equisetopsida | |
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Penetetrapites | |
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Polycingulatisporites | |
Polycingulatisporites reduncus Playford and Dettmann 1965 | |
Pteridopsida | |
Echinatisporis sp. Krutzsch 1959
Deltoidospora diaphana Wilson and Webster 1946
Cyathidites minor Couper 1953 | |
Polypodiopsida | |
Baculatisporites sp. Thomson and Pflug 1953 | |
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Cycadopites | |
Cycadopites fragilis Singh 1964 | |
Angiospermae | |
Erdtmanipollis procumbentiformis boxwood | |
Liliacidites sp. Couper 1953 | |
Pinopsida | |
Magnoliopsida | |
Hepaticae | |
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Schizosporis | |
Schizosporis laevigatus Venkatachala 1968 | |
Reptilia | |
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