Unit 1 (top of the unit), upper shale member, Mahantango Fm., Amity Hall, PA (Devonian of the United States)
Where: Pennsylvania (40.4° N, 77.0° W: paleocoordinates 39.2° S, 25.4° W)
• small collection-level geographic resolution
When: Upper shale Member (Mahantango Formation), Givetian (387.7 - 382.7 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; gray shale
• shale, medium dark gray to dark greenish gray
Collection methods: surface (in situ),
Primary reference: R. L. Ellison. 1965. Stratigraphy and Paleontology of the Mahantango Formation in south-central Pennsylvania. Pennsylvania Geological Survey Bulletin G48 1-298 [A. Miller/K. Layou]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 9911: authorized by Arnold Miller, entered by Karen Layou on 30.01.2001
Creative Commons license: CC BY (attribution)
Taxonomic list
• Relative abundance info: present (1 specimen collected), common (2-10 specimens collected), abundant (more than 10 specimens collected), very abundant (sample extremely rich in a given species)
Show authors, comments, and common names
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| Bivalvia | |
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| Rhynchonellata | |
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