Where: Fergus County, Montana (47.0° N, 109.0° W: paleocoordinates 5.4° N, 35.2° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Bear Gulch Member (Heath Formation), Arnsbergian (326.4 - 318.1 Ma)
• "Namurian E2b" (E2 = Arnsbergian)
• group of beds-level stratigraphic resolution
Environment/lithology: lagoonal or restricted shallow subtidal; lithified, concretionary limestone
Size class: macrofossils
Preservation: adpression, concretion, soft parts
Collection methods: mechanical,
• Material is at the University of Montana
Primary reference: C. Poplin and R. Lund. 2000. Two new deep-bodied palaeoniscoid actinopterygians from Bear Gulch (Montana, USA, Lower Carboniferous). Journal of Vertebrate Paleontology 20(3):428-449 [M. Clapham/M. Clapham/S. Fasey]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 116764: authorized by Matthew Clapham, entered by Matthew Clapham on 11.09.2011, edited by Sophie Fasey
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
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Osteichthyes | |
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Yogoniscus gulo1 Lowney 1980 | |
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