Species: martilli CLACK, 2003
Etymology: In honor of Dr. David Martill, Reference to the chance finding by Dr. Martill of his specimen with a particularly fine occiput.
Holotype: NEWHM: 2000.H845
Locality: From a boulder clay of Whitley Bay, Tyne and Wear, Northumberland County, England, Southern United Kingdom.
Age: Westphalian A (Late Langstettian), Middle Silesian Series, Upper Bashkirian – Lower Moscovian Epoch, Middle Carboniferous (Middle Pennsylvanian).
Material: Nearly complete skull and fragmentary lower jaw.