BERMAN & REISZ, 1980

Locality: On west side of Canyon de San Diego, west of State Highway 4 and along western edge of Jemez River, About 11.5 km south of Jemez Springs, approximately lat 35'40"N and Long 106'45"W, Sandoval County, New Mexico.

Horizon: Lower part of the Abo Formation.

Biostratigraphy:

Age: Wolfcampian Stage, Lower Rotliegendes Epoch, Early Permian.

Material:

CM 3209: Fragments of neural spine.

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FOREMAN & MARTIN, 1988

Locality: Robinson locality, sec. 34, T2S, R18E, Brown County, Kansas.

Horizon: Solider Creek Shale Member of Bern Limestone.

Biostratigraphy:

Age: Late Pennsylvanian.

Material:

Number: Not given.

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ROWLAND, LUCAS, KUES & ESTEP, 1997

Locality: New Mexico.

Horizon: Madera Formation, Red Tanks Member.

Biostratigraphy:

Age: Virgilian, Gzelian Epoch, Late Pennsylvanian (Late Late Carboniferous).

Material:

Number: Not given: Several neural spines.

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SUMIDA, WALLISER & LOMBARD, 1999

Locality: Valley of the Gods (ii), SE ¼, sec. 27, T40S, R19E, San Juan County, Utah.

Horizon: Halgaito Shale, equivalent of Lower Cutler Formation.

Biostratigraphy:

Age: Virgilian, upper Stephanian, Upper Silesian Series, Gzelian Epoch, Late Pennsylvanian (Late Carboniferous).

Material:

FMNH: