Woodward, H. (1879). On the occurrence of
Branchipus (or
Chirocephaius) in a fossil state, associated with
Eosphaeroma and with numerous insect-remains, in the Eocene freshwater (Bembridge) Limestone of Gumet Bay, Isle of Wight.
The Quarterly Journal of the Geological Society of London. 35: 342-350, pl. 14.