Sp
HENDERSON, 2006
Locality: Pit 11, former Peabody Company strip mine, Will County, Illinois.
Horizon: Carbondale Formation, Frances Creek Shale.
Biostratigraphy: Mazon Creek biota.
Age: Westphalian D, Lower Upper Silesian, Desmoniensean, Myachkovskian Stage, upper Moscovian Epoch, Late Pennsylvanian (Late Carboniferous).
Material:
Number: Not given: 21 complee and 2 partial caudal vertebrae,
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HOOK, & BAIRD, 1992
Locality: Five Points, Mahoning County, Ohio.
Horizon: Allegheny Group.
Biostratigraphy:
Age: Westphalian D, Lower Upper Silesian Series, Desmoniensean, Myachkovskian Stage, upper Moscovian Epoch, Late Pennsylvanian (Late Carboniferous).
Material:
Number: Not given: