| 87884 | Rehder, H.A. 1980 The marine mollusks of Easter Island (Isla de Pascua) and Sala y Gómez. Smithsonian Contributions to Zoology 289:1-167. | 1980 | Drupa ricinus | 70 | 
				
			| 2986 | Reichelt, R.E. 1982 Space: a non-limiting resource in the niches of some abundant coral reef gastropods. Coral Reefs 1:3-11. | 1982 | Drupa ricina | 6 | 
				
			| 821 | Springsteen, F.J. and F.M. Leobrera 1986 Shells of the Philippines. Carfel Seashell Museum. Metro Manila, Philippines. 377 p. | 1986 | Drupa ricinus ricinus | 141 | 
				
			| 87866 | Paulay, G. 1989 Marine invertebrates of the Pitcairn Islands: species composition and biogeography of corals, molluscs, and echinoderms. Atoll Research Bulletin 326:1-28. | 1989 | Drupa ricina | 23 | 
				
			| 94138 | Osorio, C. and V. Cantuarias 1989 Vertical distribution of mollusks on the rocky intertidal of Easter Island. Pacific Science 3(4):302-315. | 1989 | Drupa ricina | 312 | 
				
			| 799 | Abbott, R.T. 1991 Seashells of South East Asia. Graham Bash, Singapore. 145 p. | 1991 | Drupa ricinus | 59 | 
				
			| 87907 | Preece, R.C. 1995 The composition and relationships of the marine molluscan fauna of the Pitcairn Islands. The Pitcairn Island: biogeography, ecology and prehistory. Benton, T. G. and T. Spencer (eds). Biological Journal of the Linnean Society 56:339-358. | 1995 | Drupa ricinus | 355 | 
				
			| 81755 | Tan, K.S. 2000 Species checklist of Muricidae (Mollusca: Gastropoda) in the South China Sea. The Raffles Bulletin of Zoology 8:495-512. | 2000 | Drupa ricinus ricinus | 498 | 
				
			| 75725 | Allen, G.R. and S.A. McKenna 2001 A marine Rapid Assessment of the Togean and Banggai Islands, Sulawesi, Indonesia. RAP Bulletin of Biological Assessment 20, Conservation International, Washington, DC. | 2001 | Drupa ricinus | --> | 
				
			| 108776 | White, A.T. 2001 Philippine Coral Reef: A Natural History Guide. Bookmark Inc. and SUlu Fund for Marine Conservation Foundation, Inc., Manila, 276 pp. | 2001 | Drupa ricina | 230 | 
				
			| 83492 | Wells, F.E. 2002 Molluscs of the Raja Ampat Islands, Papua province, Indonesia. In McKenna. | 2002 | Drupa ricina | 119 | 
				
			| 3116 | Smith, B.D. 2003 Prosobranch gastropods of Guam. Micronesia 35-36:244-270. | 2003 | Drupa ricinus | 261 | 
				
			| 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 | Drupa ricinus | --> | 
				
			| 97298 | Pante, E., M. Adjeroud, P. Dustan, L. Penin and M. Schrimm 2006 Spatial Patterns of Benthic Invertebrate Assemblages Within Atoll Lagoons: Importance of Habitat Heterogeneity and Considerations for Marine Protected Area Design in French Polynesia. Aquat. Living Resour. 19: 207-217. | 2006 | Drupa ricinus | 211 | 
				
			| 8319 | ANS, Academy of Natural Sciences 2007 Academy of Natural Sciences Malacology Database. Accessed through GBIF data portal, http://newportal.gbif.org/datasets/resource/175 13/09/2007. | 2007 | Drupa ricinus | --> | 
				
			| 99637 | Héros, V., P. Lozouet, P. Maestrati, R. von Cosel, D. Brabant and P. Bouchet 2007 Mollusca of New Caledonia. pp. 199-254. In Payri, C.E.; Richer de Forges, B. (eds). Compendium of marine species in New Caledonia, Doc. Sci. Tech. II7, seconde edition, IRD, Noumea. | 2007 | Drupa ricinus | --> | 
				
			| 83677 | Poppe, G.T. 2008 Philippine Marine Mollusks Vol. 2, Gastropoda Part 2. Czech Republic, Tesinska tiskarna, a.s., Cesky Tesin, 848 p. | 2008 | Drupa ricina | --> | 
				
			| 87883 | Tröndlé, J. and M. Boutet 2009 Inventory of marine molluscs of French Polynesia. Atoll Research Bulletin 570:1-90. | 2009 | Drupa ricinus | --> | 
				
			| 104070 | www.reeflex.net 2015 Snails (331). http://www.reeflex.net/kategorie/139.html [Accessed 08/04/2015]. | 2015 | Drupa ricina | --> | 
				
			| 104071 | www.meerwasser-lexikon.de 2015 Gehäuseschnecken (331). https://www.meerwasser-lexikon.de/kategorie/139.html [Accessed 08/04/2015]. | 2015 | Drupa ricina | --> | 
				
			| 116140 | CMFRI 2015 Annual report 2014-15. Central Marine Fisheries Institute, Cochin. 353 p. | 2015 | Drupa ricina | 182 | 
				
			| 128987 | Dolorosa, R.G., R.M. Picardal and S.F. Conales Jr. 2015 Bivalves and gastropods of Tubbataha Reefs Natural Park, Philippines. Check List 11(1):1506. | 2015 | Drupa ricinus | 3:tab.2 | 
				
			| 121724 | Songco, A. 2019 Personal communication. Tubbataha species list. Excel file "MyReport_Species_21May2019". | 2019 | Drupa ricinus | --> | 
				
			| 126039 | Paulay, G. 2022 Reproduction of Neogastropoda. Pers. Comm. via email [13/04/2022]. | 2022 | Drupa ricinus | --> | 
				
			| 3477 | MarineSpecies.org 2050 MarineSpecies.org. http://www.marinespecies.org/index.php | 2050 | Drupa ricinus | --> |