1. The Structure and Distribution of Coral Reefs. Being the first part of the Geology of the voyage of the Beagle, under the command of Capt. Fitzroy, R.N., during the years 1832 to 1836;Darwin,1842
2. Hen's Teeth and Horse's Toes;Gould,1983
3. A plastid in the making: evidence for a second primary endosymbiosis;Marin;Protist,2005
4. Über Natur und Ursprung der Chromatophoren im Pflanzenreiche;Mereschkowsky;Biologisches Centralblatt,1905
5. The symbiotic birth and spread of plastids: how many times and whodunit?;Palmer;J. Phycol.,2003