Species: lizziae SMITHSON & ROLFE, 1990
Etymology:

Holotype: NMS G 19990.72.1 a-b

Locality: East Kirkton Quarry, Bathgate, West Lothian Province, Scotland, Northern United Kingdom.

Horizon: East Kirkton Limestone, West Lothian Oil-Shale Formation.

Biostratigraphy:

Age: Visean Epoch, Middle Mississippian, Lower Carboniferous.

Material: Almost a complete articulated skeleton.