Holotype C 14916 NHM London

Labels:
"Form. Carboniferous Limestone"
Littel island. Co. Cork. Ireland. Fig-d A.H/ Foord 1903 Mon. Carb. Ceph. Ireland (Pal. Soc.), pt. V, pl. xlvii (46 or 47??) figs. 2a-c. Joseph Wight Colln. 1913