Where: Oregon (45.4° N, 117.3° W: paleocoordinates 18.4° N, 51.3° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Martin Bridge Formation, Carnian to Carnian (237.0 - 208.5 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: reef, buildup or bioherm; black, carbonaceous packstone and black, carbonaceous lime mudstone
Size class: macrofossils
Primary reference: N. M. Fraser. 1997. Large epifaunal bivalves from Mesozoic buildups of Western North America. [D. Bottjer/C. Powers/C. Jamet]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 41468: authorized by David Bottjer, entered by Catherine Powers on 14.07.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Hydrozoa | |
Heptastylis sp. Frech 1890 | |
Anthozoa | |
| |
Retiophyllia sp. Cuif 1966 stony coral |