1. Awramik S. M. (1991) in Calcareous algae and stromatolites, Archaean and Proterozoic stromatolites, ed Riding R. (Springer-Verlag, Berlin), pp 289–304.
2. Chapter 4.4 Evolutionary Processes in the Formation of Stromatolites
3. Calcareous algae, organic boundstones, and the genesis of the upper Capitan Limestone (Permian, Guadalupian), Guadalupe Mountains, West Texas and New Mexico;Babcock,1977
4. The puzzle of alga-like problematica, or rummaging around in the algal wastebasket;Babcock;Problematic fossil taxa,1986
5. Bao, H., Mu, X., Riding, R. 1991. Middle Cambrian dendrolite biostromes Jinan, East China. 5th International Symposium on Fossil Algae, Capri, Italy, April 1991; Abstracts. 7–8.