CAPPETTA, H. (1976)
Sélaciens nouveaux du London Clay de l'Essex (Yprésien du Bassin de Londres). Géobios, 9 (5): 551–575, 1 fig., 1 tabl., 4 pl.
DOI: 10.1016/S0016-6995(76)80024-1
HERMAN, J. (1982)
Additions to the Eocene fish fauna of Belgium. 5. The discovery of Mustelus teeth in Ypresian, Paniselian and Wemmelian strata. Tertiary Research, 3 (4): 189–193, 1 fig., 1 pl.
KEMP, D.J. (1982)
Fossil sharks, rays and chimaeroids of the English Tertiary period. Gosport Museum, 1–47, 10 fig., 3 tabl., 16 pl.
KEMP, D.J. & KEMP, L. & WARD, D.J. (1990)
An Illustrated Guide to the British Middle Eocene Vertebrates. Privately published, London, 59 pp.
DOBBELS, L. (1994)
Soortenlijst van fossiele vissen uit het Eoceen van België. Afzettingen WTKG, 15 (4): 6-12