Where: Crawford County, Indiana (38.2° N, 86.4° W: paleocoordinates 11.4° S, 26.9° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Dibunophyllum zone, Glen Dean Limestone Formation, Pendleian (330.9 - 327.0 Ma)
• collection taken from the Lower Glen Dean Limestone [JA: entered as Chesterian; the Glen Dean is late Hombergian = Pendleian]
• group of beds-level stratigraphic resolution
Environment/lithology: shallow subtidal; pyritic, ooidal, shelly/skeletal, cherty/siliceous grainstone
Preservation: replaced with silica
Collection methods: surface (in situ), mechanical,
• listed with locality information is identification as collection 140
Primary reference: A. S. Horowitz. 1956. Fauna of Glen Dean Limestone (Chester) in Indiana and Northern Kentucky. 1-449 [A. Miller/K. Layou/M. Uhen]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 6932: authorized by Arnold Miller, entered by Karen Layou on 12.04.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Composita subquadrata Hall 1858 | |
Spirifer increbescens, "Spirifer leidyi" = Anthracospirifer leidyi
"Spirifer leidyi" = Anthracospirifer leidyi Norwood and Pratten 1855 |