Template:Krishnamurthy & Jayagopal, 1987
- Krishnamurthy, V. & Jayagopal, K. 1987. Studies on the crustose coralline algae of the Tamil Nadu coast. IV. Mastophoroideae. The genera Porolithon, Hydrolithon and Pneophyllum. Seaweed Research and Utilisation 10: 81–96, 30 figs.