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: