Where: Marshall County, Alabama (34.4° N, 86.3° W: paleocoordinates 17.4° S, 31.6° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Hartselle Sandstone Formation, Brigantian (336.0 - 330.9 Ma)
• From the shaly facies
•"Upper Mississippian, Middle Chesterian" and shown as very late Visean = Brigantian in a figure
• group of beds-level stratigraphic resolution
Environment/lithology: marine; gray shale and limestone
Primary reference: J. K. Rigby and R. Keyes. 1998. Wewokella costata new species, a large heteractinid calcareous sponge from the Upper Mississippian Hartselle Sandstone in northeastern Alabama. Journal of Paleontology 72(1):1-6 [J. Alroy/M. Sommers/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 28: authorized by John Alroy, entered by Mike Sommers on 20.11.1998
Creative Commons license: CC BY (attribution)
Taxonomic list
Heteractinida | |
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