Lessertisseur, J. 
1955. Traces fossiles d’activité animale et leur signification 
paléobiologique. Mém. Soc. géol. France (N.S.) 34: 1-150. 
Levenko, A.I. Luchitskii and M.S. Nagibina 
1950  Stratigrafiya i tektonika drevnego paleozoya Angaro-Ilimskogo 
vodorazdela. Ocherki po geol. Sibiri 14: 46-90. 
Li, Ssu-Kuang 
1952. Geology of China. Russian translation by A.N. Krishtofovich, 
editor. Moscow: For. Lit. Press. 
Liang, Yu-tso 
1962 Research and new data on algal fossils of Sinian System. Chung- 
kuo To-chih (Geology of China) 8, 9. 
Liang, Yu-tso and Yui-chi Tsao 
1962 On the age of the Peng-lai Series in the light of the discovery of 
Collenia. Ti-chih Hsueh-pao (Acta Geologica Sinica) 42(3): 317- 
320. 
Licari, G.R. 
1971 Paleontology and paleoecology of the Proterozoic Beck Spring 
Dolomite of eastern California. Ph.D. Thesis, Univ. of California, 
Los Angeles. 175 pp.; Microfilm 71-21345 Univ. Microf. Inc., 
Michigan. 
Licari, G.R. and P.E. Cloud 
1968 — Eucaryotic nannofossils in kerogens from the pre-Paleozoic Win- 
dermere Series of Alberta. Geol. Soc. Amer., Ann. Meeting, 
Mexico City, Abstracts with Programs, pp. 174-175. 
1968 Reproductive structures and taxonomic affinities of some nan- 
nofossils from the Gunflint Iron Formation. Proc. Natl. Acad. Sci. 
U.S. 59(4): 1053-1060. 
1972. Prokaryotic algae associated with Australian Proterozoic 
stromatolites. Proc. Natl. Acad. Sci. U.S. 69: 2500-2504. 
Licari, G.R., P.E. Cloud, and W.D. Smith 
1969 Anew Chroococcacean alga from the Proterozoic of Queensland. 
Proc. Natl. Acad. Sci. U.S. 62(1): 56-62. 
Licari, G. and B. Troxel 
1973 Fossil algae 1.3 billion years old from eastern California rocks. 
California Geol. 26(1): 15-16. 
Litherland, M. and S.P. Malan 
1973 Manganiferous stromatolites from the Precambrian of Botswana. 
Jour. Geol. Soc. London 129(5): 543-544. 
Ljunggren, P. 
1953. Ona problematic fossil in Jotnian sandstone. Geol. Foren. Forh. 
Stockholm 75(3): 403-406. 
Loeblich, A. 
1974  Protistan phylogeny as indicated by the fossil record. Taxon 23: 
277-290. 
Logan, B.W. 
1961 = Cryptozoon and associated stromatolites from the Recent, Shark 
Bay, Western Australia. Jour. Geol. 69; 517-533. 
Logan, B.W. and R.L. St. L. Chase 
1961 The stratigraphy of the Moora Group, West Australia. Jour. Roy. 
Soc. W. Australia 44; 14-31. 
119 
