BioStor
 | VII. The genus Crioceplialus.By D. Sharp, M.A., F.R.S. With Notes on the habits of Asemum striatum and Crioceplialus ferus F Gilbert Smith. (1905) Transactions of The Royal Entomological Society of London 53: 145-164 |
 | The genera and subgenera of darters (Percidae, Etheostomatini) Lawrence M Page (1981) Occasional Papers of the Museum of Natural History University of Kansas 90: 1-69 |