1. Devonian conulariids of Bolivia;L E Babcock;National Geographic Research,1987
2. Devonian and Mississipian conulariids of North America. Part A. General description and Conulaia;L E Babcock;Annals of Carnegie Museum,1986
3. Corumbella, an Ediacaran-grade organism from the Late Neoproterozoic of Brazil;L Babcock;Palaeogeography, Palaeoclimatology, Palaeoecology,2005
4. lnternal structures of conulariid tests and circonulariina n. suborder (Cnidaria, Scyphozoa);G C O Bischoff;Senckenbergiana Lethaea,1978