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Hartselle Sandstone (Hunstville, AL., Marshall Co.) (Carboniferous of the United States)

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 - 326.4 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

• Paleoenv. listed as "marine."
• "The sponges occur in a dark-grey to grey-green marine shale, interbedded witha few thin fossiliferous limestones in the shaly facies"

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/J. Alroy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 28: authorized by John Alroy, entered by Mike Sommers on 20.11.1998

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