Template:Penrose & Woelkerling, 1988
- Penrose, D. & Woelkerling, W.J. 1988. A taxonomic reassessment of Hydrolithon Foslie, Porolithon Foslie and Pseudolithophyllum Lemoine emend. Adey (Corallinaceae, Rhodophyta) and their relationships to Spongites Kützing. Phycologia 27: 159–176, 27 figs, 2 tables. DOI: 10.2216/i0031-8884-27-1-159.1