Where: Crawford County, Indiana (38.3° N, 86.5° W)
• Paleocoordinates: 23.2° S, 37.9° W (Wright 2013)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Golconda Formation, Brigantian to Brigantian (336.0 - 327.0 Ma)
• JA: originally entered as "Middle Chester," i.e., Hombergian = Brigantian to Pendleian
• formation-level stratigraphic resolution
Environment/lithology: marine; ooidal, shelly/skeletal, gray grainstone and shale
Primary reference: J. Rodriguez. 1960. Invertebrate Fauna of the Golconda Formation (Middle Chester) of Indiana, Western Kentucky, and Southern Illinois. 1-259 [A. Miller/K. Layou/M. Uhen]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 7014: authorized by Arnold Miller, entered by Karen Layou on 20.04.2000
Creative Commons license: CC0 (CC0)
Taxonomic list
unclassified | |
| |
Anthozoa | |
Amplexizaphrentis spinulosus horn coral | |
Crinoidea | |
| |
Agassizocrinus sp. Owen and Shumard 1852 Sea lily | |
Aphelecrinus oweni Sea lily | |
Zeacrinites sp. Burdick and Strimple 1971 Sea lily | |
Blastoidea | |
Pentremites pyramidatus, Pentremites patei, Pentremites elegans, Pentremites springeri, Pentremites platybasis, Pentremites pyriformis, Pentremites girtyi, Pentremites okawensis
Pentremites pyramidatus blastoid
Pentremites patei blastoid
Pentremites elegans blastoid
Pentremites springeri blastoid
Pentremites platybasis blastoid
Pentremites pyriformis blastoid
Pentremites girtyi blastoid
Pentremites okawensis blastoid | |
Rhynchonellata | |
Cleiothyridina sublamellosa Hall 1858
Composita trinuclea Hall 1856 | |