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				7507			 | 
			
				Ritter, W.E. and R.A. Forsyth 1917 Ascidians of the littoral zone of southern California. Berkeley, Univ. Calif. Publ. Zool. 16:439-612.			 | 
			
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			Glossophorum planum			 | 
			
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				3724			 | 
			
				Levine, N.D. 1981 New species of Lankestria (Apicomplexa, Eugregarinida) from ascidians on the Central California Coast. The Journal of Eukaryotic Microbiology 28(3):363-370.			 | 
			
				1981			 | 
			Polyclinum planum			 | 
			
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				2268			 | 
			
				Lambert, C.C. and G. Lambert 1998 Non-indigenous ascidians in southern California harbours and marinas. Mar. Biol. 130:675-688.			 | 
			
				1998			 | 
			Polyclinum planum			 | 
			
				 683			 | 
		
				
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				833			 | 
			
				Ruppert, E.E., R.S. Fox and R.D. Barnes 2004 Invertebrate Zoology. A functional evolutionary approach. 7th Ed. Brooks/Cole, Thomson Learning learning, Inc. 990 p.			 | 
			
				2004			 | 
			Polyclinum planum			 | 
			
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				19			 | 
			
				Bisby, F.A., M.A. Ruggiero, K.L. Wilson, M. Cachuela-Palacio, S.W. Kimani, Y.R. Roskov, A. Soulier-Perkins and J. van Hertum 2005 Species 2000 & ITIS Catalogue of Life: 2005 Annual Checklist. CD-ROM; Species 2000: Reading, U.K.			 | 
			
				2005			 | 
			Polyclinum planum			 | 
			
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				865			 | 
			
				Gotshall, D.W. 2005 Guide to marine invertebrates: Alaska to Baja California, 2nd ed. (revised). Sea Challengers. 117 p.			 | 
			
				2005			 | 
			Polyclinum planum			 | 
			
				 106			 |