Mathew, G. & Thulasidas, K. & Venugopal, K.M. (1991)
On the first record of the deep sea shark Centrophorus granulosus (Bloch and Schneider) from Indian seas. Marine Fisheries Information Service, Technical and Extension Series, 113, 22–23

Somasekharan Nair, K.V. & Thulasidas, K. (1984)
The bramble shark Echinorhinus brucus (Bonnaterre) landed at Cochin. Marine Fisheries Information Service, Technical and Extension Series, 60, 15–17