1. Chondrenchelys problematica (Traquair, 1888) redescribed: A Lower Carboniferous, eel-like holocephalan from Scotland;Finarelli;Trans R Soc Edinb,2014
2. Bibliography and catalogue of the fossil vertebrata of North America;Hay;Bull US Geol Surv,1902
3. The characters of Palaeozoic jawed vertebrates
4. The anatomy and interrelationships of Mesozoic hybodont sharks;Maisey;Am Mus Novit,1982