Pholidostrophia (Eopholidostrophia) cocksi ultima
Aspects of the systematics and ecology of the brachiopod Pholidostrophia in the Ashgill, Llandovery and Wenlock of Britain. Neues Jb Geol Paleont Abh, 146(3) 1974: 298-324. 306 [Zoological Record Volume 111]