821 |
Springsteen, F.J. and F.M. Leobrera 1986 Shells of the Philippines. Carfel Seashell Museum. Metro Manila, Philippines. 377 p. |
1986 |
Bolma girgylla |
43 |
75835 |
Higo, S., P. Callomon and Y. Goto 1999 Catalogue and bibliography of the marine shell-bearing Mollusca of Japan. Osaka: Elle scientific publications. 938 p. |
1999 |
Bolma girgyllus |
50 |
89179 |
Floren, A.S. 2003 The Philippine shell industry with special focus on Mactan, Cebu. Report by the Coastal Resource Management Project, Department of Environment and Natural Resources submitted to the United States Agency for International Development. 50 p. |
2003 |
Bolma girgyllus |
40 |
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 |
Bolma girgylla |
--> |
86518 |
Poppe, G.T. 2008 Philippine marine mollusks. Vol. 1 (Gastropoda - Part 1). ConchBooks. 759 p. |
2008 |
Bolma girgylla |
100, 244, pl 67 |